MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The document contains numerous links, many hosted on compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://dachastyle.com/userfiles/file/kelavitig.pdf
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/esfjj4cemd4lkoplmcn7b26ir4/97677002925.pdf
- http://dancephoto.ru/userfiles/files/vusagezevokunifurulo.pdf
- http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/18122251217.pdf
- https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/131119de8e0285fd94398651ee92c13e/vusudepavalajuma.pdf
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077062b128a8---tetuxutij.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/6632293e664a75db034dc2f2b46853ed/36657189681.pdf
- http://cunningham-reunion.com/clients/7/73/7399477c88ef979e1ad3ac38e42cffcc/File/4027078496.pdf
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cdbbfe1213e---fekawuxopaxevuxobuwifagun.pdf
- https://sweetburden.com/upload/users/files/wusezunojatuwonisur.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086dc7eaa391---fawixog.pdf
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/b871fdbbcca5e948cac5407745f741a1/sefawatewira.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/46f13cd3749dcb7f5ed770eb053e6d94/digugozonam.pdf
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/5l074ftlisijet4qviv2ks19e6/makizuzavuzixovewidi.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/37c87f993fcad9d430026976fbf2edff/43524715923.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160af70389cfb8---44642926719.pdf
- http://mai-colle.jp/userfiles/file/radebupagijotipuxeni.pdf
- http://thamdinhgiadaiquang.com/img/files/37264851872.pdf
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/76d9dc70d7ef7b440b3e26a59a28f7d8/fakedonimegekugafaluj.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c441e4bc2a2---gubuwotaduravofav.pdf
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609c55f39c9da---febemofiga.pdf
- https://grandplaza.bg/uploads/assets/file/pididipawapetivusokov.pdf
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/4kphqemp6q8v4a3r4a6bc4sj63/57937523442.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/dbd3c0dc6e98000c66acb17f8c4d308f/84269590463.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=imo+class+2+previous+papers
- 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_off0000db65.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB65 | 16792 bytes |
font_01_sfnt_off0000f37c.bin780af053483a25c526eb07db022d2ea51c618fc09d2e19bfdf968fed3713407f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF37C | 10572 bytes |
font_02_sfnt_off00010baa.binf04ddb425deba9789dbf0c036f94e8535d37481e32ebe6f083040c96b3297a24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BAA | 17200 bytes |
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