MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple URLs, including links to compromised WordPress uploads and a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery. The embedded JavaScript is a common technique for executing malicious code or redirecting users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 7
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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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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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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://aspaeng.com/files/image/files/matupa.pdf In PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/1e4a1e7a3f076c94910b1854fcf94b4e/gipudenevagodobigosasemu.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/14c5490c3c53e3f7623f948af2307e40/71005800775.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1609635d364c60---kisumarefasaluzorugubatev.pdfIn PDF document text
- http://sunwisechem.com/Uploadfiles/files/28500354071.pdfIn PDF document text
- https://soyana.de/js/ckfinder/userfiles/files/supukeseguvofaf.pdfIn PDF document text
- https://wagaskar.com/media/95877453191.pdfIn PDF document text
- https://voyagerf.ru/wp-content/plugins/super-forms/uploads/php/files/54978159769752076029b23a8171d6d8/95130682134.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d53737ed409---pajogolukamifojojab.pdfIn PDF document text
- https://minhkygroup.com/luutru/files/fijago.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160798e2b5c988---potamuboboxit.pdfIn PDF document text
- https://www.smartfutureexpo.com/ckfinder/userfiles/files/11567360028.pdfIn PDF document text
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/bacauefouelibpj2b1ks0lk6r7/79563458074.pdfIn PDF document text
- http://billsky.ee/files/file/xorizemo.pdfIn PDF document text
- http://boek.se/bilder_umeny/File/bobatulawopenowetokig.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/lsphu04mmqo8tgjcc82bnf8j56/84635147417.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/de85cc1810624a2693d7ca347ff4283d/73498720169.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/00fb95b8eaddfa6b061156dcab8a413b/lataraveresuzono.pdfIn PDF document text
- http://pune-india.info/userfiles/file/60651758389.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097c2a6ef5a3---6827572668.pdfIn PDF document text
- https://basisnomor.com/contents//files/temogitis.pdfIn PDF document text
- http://bvmnotarissen.nl/app/webroot/files/ckeditor_files/files/jezotidubemunuwir.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1016dab986---60126586798.pdfIn PDF document text
- http://worldofpacifiers.com/editor_uploads/system/files/62587806772.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098943ca5446---56924601113.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160946b266c377---63649614683.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=what+does+take+over+meanPDF 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_off0000f954.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF954 | 16720 bytes |
SHA-256: 1d9bec1fd01063774b11a3866b9701ee50c9dedaf9e2440c843c53551d95c75a |
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font_01_sfnt_off00012482.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12482 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013c99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C99 | 10524 bytes |
SHA-256: ac3b04d36c47909657b5a6064bb8bc8f6584fb8dff4797adb8a68542b137636f |
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