MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It contains numerous external links, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded artifacts do not contain executable scripts, but the overall pattern points to a malicious document, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9938
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://wastran.ru/uplcv?utm_term=cool+sign+up+pages
- https://noblacklist.pro/web/img/podborky/files/wubedilefu.pdf
- http://m-camper.ru/ckfinder/userfiles/files/zuwexiwavemasobife.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4ae362d71---15870094820.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a996f45577b---rofosewi.pdf
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160876ebe65f90---jusimamogivapogegoriju.pdf
- https://salubrismd.com/wp-content/plugins/super-forms/uploads/php/files/19dd0496a61870529f2ef5f7a4297ed1/83969020702.pdf
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607707d138a80---97046043431.pdf
- http://extracam.es/app/webroot/arxius/file/76637433923.pdf
- http://saokienviet.com/uploads/image/files/41936887643.pdf
- https://iqmuseum.mn/uploads/files/46167523700.pdf
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/d7f3a9217789f582a7a4876acd36926a/ligariteduximimu.pdf
- http://mobydick-band.de/fckdata/file/97685571613.pdf
- http://rent2day.ca/ci2/userfiles/files/raxojolidarujijeda.pdf
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075cf305f076---58589511630.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608590dcaca16---xalikamazubagujerifaz.pdf
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb7246d3bf---39714420920.pdf
- http://aquatherm-graz.at/files/wederajinopij.pdf
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/57b4352c5bd67fe5b77ddb34b8d933ee/58856392353.pdf
- http://maplewoodmachine.com/clients/1/17/17f0ea2532424b9b8bf99baf53cd3763/File/25058642037.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/46d7d08d52def0e403cda6d36e0a5d23/digewik.pdf
- http://a-swiss.com/upload/userfiles/file/71765291576.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8dce829ee3---wolexejesawevegeb.pdf
- http://mtlebanon62.com/clients/5/5e/5ee551a8be14a26d7d76bc5e90dd1372/File/99707999601.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_off000129a2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129A2 | 16792 bytes |
font_01_sfnt_off000141b4.bin0ea7735d0faa55aff3d3faf401ec573c878a318502c96915143db96faa47653e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141B4 | 18132 bytes |
font_02_sfnt_off000170bd.binbad24d6355b2e5275707fe9ab0766c2a66c0d971b61d60f58ab6589807d7fa98 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x170BD | 10360 bytes |
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