MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised WordPress sites, specifically utilizing the 'formcraft' plugin for file uploads, which is a common technique for hosting malicious content. These links form a link farm designed to redirect users to potentially malicious destinations, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://laborke.ru/uplcv?utm_term=proving+right+triangles+congruent
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160786b3e4ad6f---lagivekexalujusobazi.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd23db4beb1---sewiziwunaz.pdf
- http://abovomedia.hu/_user/file/44963420938.pdf
- https://panama4d.com/contents//files/rupetojewefixisivenesuv.pdf
- http://files.ibiza-ferien.de/file/renipu.pdf
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160825bbc48dc4---62930223048.pdf
- https://daxitrip.com/basefile/daxitripcom/files/vajewomelusiro.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/cebc815387c95f435172e7ca33273bf7/94162276601.pdf
- http://pospatrans.cz/UserFiles/File/poxefomopemakamepada.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/d3cqkk7ssc6ncvrsplojlf0mbl/42249481774.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160af0188273de---55780059799.pdf
- http://kulturazebrak.cz/userfiles/3556239515.pdf
- https://soudurelauziere.com/upload/editor/file/7851233729.pdf
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/b07l6qob35o8foa2uidecv58bb/40587077776.pdf
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085f2c1cac9d---vizuregifaw.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16080c91e2b319---wudaxipatogewuwinof.pdf
- https://alnahamgroup.com/userfiles/file/mosofejunanor.pdf
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/b25bc2f3d4ecf3bbfe881e7b829772ea/rabixabevokamuxetaparu.pdf
- https://aquafilling.com/userfiles/file/lanugupo.pdf
- http://charivne.info/images/file/koxifuzelubirenitibiloja.pdf
- https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/6fc86faa9c604b710c3f4a5d71fb4bea/91583191042.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa7a8168a30---lifigetipamolotag.pdf
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1607deca5a658b---lisovuvajuxaw.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_off0000e91d.bin5b67f0ca2983da3c95f9ce609816b5bf7aba7038f05f9b319c3393feb40215de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE91D | 18228 bytes |
font_01_sfnt_off00011976.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11976 | 16792 bytes |
font_02_sfnt_off0001318d.binff13cec8dbe4fc297de39c7e47a3e8a13ee1402a6e8f3add361b4b450396f20d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1318D | 10676 bytes |
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