MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating it is likely a phishing or malware distribution lure. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress sites hosting PDF files. These links are likely intended to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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 http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160aa647956c01---43540050637.pdf
- https://watertorens.nl/userfiles/file/29744082372.pdf
- http://perfekttorun.pl/pliki/jakil.pdf
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/ff3b88e5dffaaac5ba676408a6576ac8/21836956961.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a60b2d5878d---waketelajurik.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb0da30d61d---63624480243.pdf
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/82cac2ba038f7c71ac4ac84a4b17817a/perabivawakexom.pdf
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/b0228793f4b1b39bcfb772ff4bf17b43/10232046406.pdf
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/61fe9737c8a662a66fd8e75753929e8c/lufofeniwonokowazujudin.pdf
- http://edu-family72.ru/content/images/uploads/file/tefupefekuvuru.pdf
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c665a1af8cc---witigomekutonugififexilo.pdf
- http://coimbra.hu/uploads/ckfinder/userfiles/files/debozorowovibunofabut.pdf
- http://be1971.com/clients/a/a1/a19be2fc4cf8b198b52f296748481ce5/File/12480932637.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/64b99f7024b3e8a8529f06ac7cfc7b18/8020062075.pdf
- http://www.urbanwaterways.info/files/xanimaxofinidiluginapu.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a416b1261ab---61371569640.pdf
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d269ee94606---meduzaposominelokugobuvi.pdf
- https://dubaimotorcycletours.com/uploaded_images/files/zolanaralaz.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/f290463340ab0d74b19e3d82bbba7081/bupabesixomomomanibi.pdf
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/b174ee6br8odrrg2c4q2aa4dp7/vidilulirotajed.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/3b265ed2ce7cb10b270582ed567905c7/ribeponobidi.pdf
- http://nw-line.ru/generic/uploaded/renidikeruwatifu.pdf
- http://jnnycc.org/userfiles/file/31637315115.pdf
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/1f122c016458955866cb77b320cbdebf/21404720973.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=meloxicam+side+effects
- 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_off00011754.binb22ad25673e7407602ca5849e3bfcaa3209b6f9f052011c87e43a3e1a7c41f49 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11754 | 17092 bytes |
font_01_sfnt_off0001440d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1440D | 16792 bytes |
font_02_sfnt_off00015c24.bin5cfdd71efecb1efbc48fa895cc4b7a421c1795e01e142cd5b79790f445f1abda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15C24 | 10528 bytes |
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