MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm or phishing lure. The presence of 'utm_term' parameters in some URLs indicates an attempt at SEO manipulation or tracking.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://cructi.ru/uplcv?utm_term=what+is+the+expanded+accounting+equation+formula
- http://mini-garden.ru/userfiles/file/revelekegamube.pdf
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/85317d15cb03d1ada5c1e278d8d4275a/85885906196.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb1f709259---55045942011.pdf
- http://artecgroupservices.com/imagenes/file/30638465555.pdf
- https://www.tunnel.de/files/uploaded/file/fidomedatavin.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b79ec10f11c---nefisuwi.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc779a2dc2e---98436796916.pdf
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c615031b923---sarabirubapebirop.pdf
- https://its-bulgaria.bg/files/file/kuwewafonixur.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/1ch1gthautpo7oid2tc39790s4/28376795145.pdf
- http://highendschmiede.de/highendfiles/file/mimapemana.pdf
- http://m2mus.pro/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/92289951190.pdf
- https://promobryansk.ru/userfiles/files/88164244167.pdf
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/maremibur.pdf
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/39981662453.pdf
- http://sarljarry.fr/userfiles/file/mojefupusukober.pdf
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/e0a70f4c4cbd4e75b43e50e150435e0a/57173097601.pdf
- http://agiteam.org/clients/b/b0/b0c4817036ef1cb73596cc935f3fa86d/File/xitenefex.pdf
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/ob07ma3ss9u73ar6qvt10o09cf/20857801788.pdf
- https://khyatiinfotech.biz/ckfinder/userfiles/files/luxelunakifiwirumekon.pdf
- https://pt2-turbo-j3t.com/contents//files/zebapi.pdf
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/921fatjm2jflhl2vqj2v9q7706/xoramotuzajugakigojol.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/aaba9620605514e18e93646482761347/10775731326.pdf
- http://orgue-chantepie.info/FCKeditor/upload/file/sulesudemamudaxorimi.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000114ad.bin3af9363b0773e7af71d0c43285de1f006dbd6f61f0d9eccaab01070f66365002 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114AD | 17504 bytes |
font_01_sfnt_off000142f9.bin5a3c280022a3d0c69625210902564513a811cc0a836e1794edbfd6e5df92b9d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142F9 | 11408 bytes |
font_02_sfnt_off00015d3b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D3B | 16792 bytes |
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