MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which appear to be part of a link farm designed to obscure the ultimate destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for these links, suggesting an effort to evade detection and analysis.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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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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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://oniceh.ru/uplcv?utm_term=green+robux+top+hat PDF link annotation
- http://speaklifeiamgreatness.com/files/files/57724154501.pdfIn PDF document text
- http://freetds.net/userfiles/file/nigasigako.pdfIn PDF document text
- http://skncn.com/u/files/20806328510.pdfIn PDF document text
- https://kligi.viart.lt/ckfinder/userfiles/files/38237936000.pdfIn PDF document text
- http://freehajjandumrah.com/admin/admin/uploadfiles/file/3792232969.pdfIn PDF document text
- http://pizzeria-millemiglia.de/app/webroot/img/editor/file/nipulafuzovigixewaboxu.pdfIn PDF document text
- http://linklandhotels.com/upfile/editor/files/laliburod.pdfIn PDF document text
- https://austarpharma.austarchina.com/upload/files/10933560192.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/110b1f28a3976f549064c384b57a0f62/20128630447.pdfIn PDF document text
- http://tootingtaxi.com/survey/userfiles/files/papunifaxow.pdfIn PDF document text
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/6fc2ed966b64ccf04e5dd122102b7c47/robitumifuvil.pdfIn PDF document text
- http://www.cemeba.com/uploads/ckfinder/files/jexafagovejogezirokimubef.pdfIn PDF document text
- https://skywaynepal.com/userfiles/file/76187044841.pdfIn PDF document text
- https://jck.ro/userfiles/file/zigafezewovolumabutizug.pdfIn PDF document text
- http://z500.si/files/rafinifejixalus.pdfIn PDF document text
- http://sentidoseg.com/resources/original/file/17934655968.pdfIn PDF document text
- http://yeongwonenc.com/userfiles/file/945561110.pdfIn PDF document text
- http://videocycling.info/files/file/naramozelawofebo.pdfIn PDF document text
- http://braghieriarchitettura.com/userfiles/files/31563057608.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc4671445c---vosigeguradevafejop.pdfIn PDF document text
- http://schokobrunnen.com/idata/wenubusikelojenemumiguji.pdfIn PDF document text
- http://bannhuaduong.net/upload/files/51592214174.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_off0000bcfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCFA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d50c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD50C | 16420 bytes |
SHA-256: 0ff9a410b17975cbbcc988cb2f2c9cc0f6f4f55272919b77d28f0c97bfe3e67d |
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font_02_sfnt_off0000ff22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF22 | 10424 bytes |
SHA-256: 843a2db9e97e3b02415d3c853845a5ebd25784d8fd1e8ced5e91366bc7bfa337 |
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