MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farms indicates an attempt to direct users to potentially harmful external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://irlanc.ru/uplcv?utm_term=memo%27s+mexican+restaurant
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/4bb7178759b1245ca6019ab8edb9128f/5792569407.pdf
- http://aven.su/userfiles/file/13198376546.pdf
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/dc82e63f19fcf526bb5ae074bdffd2d2/sijegutax.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160aa7cb1a9b6e---44385494683.pdf
- http://www.cbs-emballages.com/upload/file/9626735996.pdf
- https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/3bc1d3a4752b1af8bcb96bd286282bf3/81281868560.pdf
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160ba752502792---83321656546.pdf
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/r7tqd81co3o4tke7qcqidn47t6/vilulesurasogu.pdf
- http://chapelguild.com/images/usr/18163334266.pdf
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/5ac6164df64069d8311c8a11f2489d1a/wopenabapow.pdf
- http://kvbm.org/pds/userfiles/files/jetad.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160983640bc7c2---bipegosaw.pdf
- http://ahkjt.com/upfile/file/vixidido.pdf
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/o451gpgnbk49hlrq1kvp0ag1d0/70182279870.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608ebfc9c9cbb---25212068594.pdf
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607597e55702b---471406445.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bef726e8e21---tikuwodefarimewuwaxekup.pdf
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/fb78dab7f4f3fecba8a6e771d3a3f4c7/vogif.pdf
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/16b5ece91593d373f9b77b52bda33263/buxagibemomolidupotogo.pdf
- https://malashealthcare.com/userfiles/files/wokabefamapapugapavugax.pdf
- http://rockpapersun.com/upload_mce_image/file/bidikefupefilokasibalom.pdf
- http://kasintorn.com/images/upload/files/xigamedu.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_off0000b68a.binbfe4f7097f9d4106e79c0145e04c0bc36562032a6d1b723ca710fe7d308332df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB68A | 10576 bytes |
font_01_sfnt_off0000cece.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCECE | 16792 bytes |
font_02_sfnt_off0000e6e0.bin5b0590348c231c03fc6806dac94ba30896fb5ed82f1caa50e928db3c37d5cf5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6E0 | 15272 bytes |
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