MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were extracted, the structure and embedded URLs are indicative of a phishing lure designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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 http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16098330e80aec---32479099408.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/58b70007ceaca547038e2dbb563dc121/92957570239.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/7df9d3f6d918d7e13330fcab9cf7d499/dexakivo.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/l0vld5hmtujoehevi9s1ku16t0/bovezubalimawuno.pdf
- http://mg001.cn/upload_fck/file/2021-5-13/20210513221001501631.pdf
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/c26e0a66cc7a9fce9ee151cb06cdb94b/lulojalowuxu.pdf
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d76cc4523---bejanubunatotewusadow.pdf
- http://dansecyr.ca/pdf/file/59537873622.pdf
- http://taborcapitalpayment.com/clients/d/d0/d0a3925ee25d0adc8806453b18bccccc/File/zelawotijanilamo.pdf
- http://serramentisiciliano.it/userfiles/files/vojagarosef.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16098a3d31e15c---wemujeje.pdf
- https://magatek.com/documents/file/wonotijokesulenuko.pdf
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/mocibiiv1e5f3kr9eqaoped1tn/fasajo.pdf
- http://hobbstownis100.com/clients/6/66/66141d04a4341350d76ae3a38785cb5a/File/jabuvo.pdf
- http://aggengr.com/uploads/CMS/file/fisulu.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608be5db01862---17171452442.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/6pek11cck7frssji2jbrias2d9/lezevubotejefomikadejag.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/s0q7eo4dil45gukl1gcfi798a4/jogivomazufilepag.pdf
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/67f5e443aa559153cbbab36e63a95c98/ralekorasiz.pdf
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160af2beba79ed---8797357367.pdf
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160b19038ceca2---bobamilejazifaredane.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=minor+scale+pattern+guitar
- 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_off0000e189.bina1d5dc9b87d1965cc08c53f3ad7873247713d21ff5e20ef96a857186fff353ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE189 | 16780 bytes |
font_01_sfnt_off00010d68.binae458483ffa140d8986f70b6609b71433d1bfae1a87aaff50ad035036363b6f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D68 | 10644 bytes |
font_02_sfnt_off000125ef.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125EF | 16792 bytes |
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