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, many pointing to compromised websites or disposable hosting, forming a link farm. The presence of these links suggests an attempt to redirect users to malicious sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://holocaustresearch.pl/nowy/photo/file/xusamumiwubago.pdf In PDF document text
- https://franchise-vietnam.com/app/webroot/img/files/80300300725.pdfIn PDF document text
- http://juha.be/_files/file/69697270592.pdfIn PDF document text
- http://lex-ter.ru/admin/ckfinder/userfiles/files/jufafakizapabado.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1612f79a382e89---21290458740.pdfIn PDF document text
- http://lifecare4all.com/upload/files/64335818134.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/8a08c49fe439d99dc1ddde42da0c3595/tufutitafan.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613d36dc2a25b---bawixowov.pdfIn PDF document text
- http://bdsps.org/slbdavbatala/userfiles/file/tolizixaziwivu.pdfIn PDF document text
- http://architettobotteonpierpaolostudioabacus.it/userfiles/files/tixaga.pdfIn PDF document text
- https://budapestpainter.hu/ckfinder/userfiles/files/12746340673.pdfIn PDF document text
- https://rdsdealers.com/ckfinder/userfiles/files/guzuwofe.pdfIn PDF document text
- http://antonellascarpittadesigner.it/userfiles/files/54189525928.pdfIn PDF document text
- https://defrokatilai.lt/images/files/83675908131.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/rowotujewivajamafuzuxakoz.pdfIn PDF document text
- http://printific.com/images/contentimages/files/zonusekivukixifokukonufaz.pdfIn PDF document text
- https://egokituz.org/files/galeria/files/56933238038.pdfIn PDF document text
- https://psfund.org/public/uploads/files/cms_files/49980824126.pdfIn PDF document text
- https://998.geektic.com/geektic/files/danag.pdfIn PDF document text
- https://mytopics.it/uploads/file/70539876777.pdfIn PDF document text
- http://soc-in.com/data/media/files/xakopi.pdfIn PDF document text
- http://langfordfinancialservices.com/userfiles/files/11977123276.pdfIn PDF document text
- https://tonerihned.cz/userfiles/file/50865849355.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=watch+now+%26+later+movie+online+freePDF 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_off0000efec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFEC | 9868 bytes |
SHA-256: 902e0b68c54acc540fe24a61bfb5a97cea7675bc70cb9da2c75c785b8059e4eb |
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font_01_sfnt_off000105ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011dbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DBD | 18716 bytes |
SHA-256: 18473a6ac83dce965ab37c8c2dcea8d4f0d6037502826ef1f1daa947686e6d2e |
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