MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely facilitates the redirection or further malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://irlanc.ru/uplcv?utm_term=how+to+check+who+viewed+my+tiktok+profile PDF link annotation
- https://ceccarmehedinti.ro/userfiles/file/gejiberofiwix.pdfIn PDF document text
- http://azseal.net/uploads/userfiles/file/10656192499.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/7921f9842675ff5d01adffd4379c4e90/nosen.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161328abbce167---150176485.pdfIn PDF document text
- http://ourdesign.hk/ckfinder/userfiles/files/31482657293.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.com/filespath/files/20210903142432.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e32d27d885---nilemikebes.pdfIn PDF document text
- http://youngshiny.com/userfiles/file/1631312842.pdfIn PDF document text
- http://deshdunya.com/blogimage/file/14114320521.pdfIn PDF document text
- https://ceccarmehedinti.ro/userfiles/file/84039652386.pdfIn PDF document text
- https://oreopay58.com/ckfinder/userfiles/files/66379783106.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad66709b9c---xipikilabi.pdfIn PDF document text
- http://js-space.de/userfiles/file/6422553553.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1614bd0b90da84---gedajikugalis.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148b6f70e8b7---xukofavufabapinuwux.pdfIn PDF document text
- https://esperidiaogomes.com/userfiles/files/lizitabot.pdfIn PDF document text
- https://perfecthospitals.com/FCKeditor/file/79665416856.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/16130cf11a9770---laxafowavena.pdfIn PDF document text
- https://ambalatender.com/upload/files/29894332402.pdfIn PDF document text
- http://khiconghoixuancong.com/Khicong/admin/userfiles/file/8105346166.pdfIn PDF document text
- http://carshopm.com/js/upload/files/95130074771.pdfIn PDF document text
- http://nabisori.com/userfiles/file/donunovaputulozoxel.pdfIn PDF document text
- 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_off0000ddcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDCD | 19420 bytes |
SHA-256: 271fc6f4faafd19ef6b417d38e3ec3a1c1e5847b3cadd8d90d1f7e1590d24ea9 |
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font_01_sfnt_off00010ffc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FFC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012813.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12813 | 10800 bytes |
SHA-256: 174e2eb0dd839d6657655495c12606a1e4356338ecdf737c5c5f25daba79b2d7 |
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