MALICIOUS
212
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains embedded JavaScript and multiple links to external PDFs hosted on compromised WordPress sites, indicating a phishing or malware distribution attempt. The 'ClickFix' heuristic suggests the document actively tries to trick the user into running commands, likely to download and execute a second-stage payload. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9899
Heuristics 9
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080bd3c300ff---zurusex.pdf In PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/bf3b1544399b31fdcb91cfe26e7ec722/wagikiwagatokebojab.pdfIn PDF document text
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f499e69cda---posalo.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b14ece8f1ee---jowazux.pdfIn PDF document text
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/pvr63in0rth3n9bm5d4f23g0vm/kofasirezudok.pdfIn PDF document text
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/8e3f329af2b0ae071b80c747710f4ca9/kunixetoxutakodopun.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/fdf03e5b80603d9027745b62b953da72/zuzexesu.pdfIn PDF document text
- http://kapli74.ru/upload_picture/pozofawujiketubumoj.pdfIn PDF document text
- https://mytopics.it/uploads/file/kavuwekufum.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608265a173519---makumesaj.pdfIn PDF document text
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/sfe3kcsn748c35d390sego6ei0/26071856116.pdfIn PDF document text
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/7cbd27d94e82e424dd459428d3316ba2/dewizugowuwufor.pdfIn PDF document text
- http://frezerovka.by/images/fxeditor/file/46283231384.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076abb00dd1f---sisufenuladexojitomoxof.pdfIn PDF document text
- https://arch.ua/ckfinder/userfiles/files/bunusavokakuvezebuto.pdfIn PDF document text
- https://lapalettedesarts.fr/gestion/file/wapexanibawapojonuped.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/8175v25osa0820vmgfvajfg9vm/52362772975.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071b8451f981---44260704405.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2e2a9127e1---42541237052.pdfIn PDF document text
- http://garagehayashi.com/js/upload/files/49421095966.pdfIn PDF document text
- http://babamoleskine.com/files/file/23512728053.pdfIn PDF document text
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/a5a108a8fb2c3afd358f8ae484395af3/93763655908.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/39604255776.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/d5156f86e26a48d68a8ef297a4dd8315/85285337760.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/nbsrdlv0d0kn1k829n40dkses2/55775049953.pdfIn PDF document text
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607e09d7253b1---xagaxamitowope.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=solving+equations+cheat+sheetPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000186d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x186D6 | 17752 bytes |
SHA-256: 5f117d882b4e86b00fb5d14fa5e5be4944e5f0e2fad9f1a77f07b605a71bb2ee |
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font_01_sfnt_off0001b585.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B585 | 10796 bytes |
SHA-256: 4b6405051f16f421c6a3c3114e0ac681eace5299b9d24951a459cd56cbd5da86 |
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font_02_sfnt_off0001ce0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CE0B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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