MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites, likely intended to lure users to malicious content. The presence of multiple distinct hosts and the use of 'utm_term' parameters suggest a phishing or scamming attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c01928321c0---37269206781.pdf
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/b224fba8469442d322c8f64f7b3fb535/33784200254.pdf
- http://bbfederico2.net/userfiles/file/robafemagofikumidolej.pdf
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/8b936dafea67fea445ee9499bcbbc54f/bezugusefadowivivareged.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084337218775---lebelesosujumitusir.pdf
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160d8ab035c38c---7918053218.pdf
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/59bf290e91e4ec3dacb98c458d075cfc/jobimidowazelurebubekeror.pdf
- http://liburnia.pl/userfiles/file/toluxisuvixu.pdf
- https://t2sc.me/userfiles/94180221093.pdf
- http://ebanksunited.com/clients/7/7d/7da19d52c1086e69e61582739ce98a0f/File/23271230327.pdf
- https://balajitutorial.com/admin/userfiles/file/vijisekebatix.pdf
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/46cfggao74u9qn9s0l79c4lale/83117478061.pdf
- https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/96270249595.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607be6429ff37---xugujefaririnoterogadi.pdf
- https://triangle-electronics.com/assets/userfiles/file/55038406993.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096de213d927---11338569241.pdf
- http://poslovniimenik.net/firme_data/files/gizirufuvomamof.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c878a903268---3354930308.pdf
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/lufq3sbaq7s9oj3lkt1fqi0rhi/wotawesorukewiwodu.pdf
- http://5percent-design-action.com/upload/users/files/ladesuniri.pdf
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a64cf6a4df6---sosozuzumizogaduv.pdf
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ca1cecc1f1c---kixipujujorajesi.pdf
- http://nousgarage.com/userfiles/file/4114454457.pdf
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1608100760594b---vibopotitinolunadidub.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=euclidean+inner+product
- 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_off000104c2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104C2 | 16792 bytes |
font_01_sfnt_off00011cd9.bin76bf4b262e2208b54bbdf0d8513e3c4e341c77f90881ed81aec522feb5863437 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CD9 | 10420 bytes |
font_02_sfnt_off0001347d.bin81a3ff9b9213300032c8101a5dc7b9f07be80d37c86b0769bb9e0a42a55d3128 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1347D | 16416 bytes |
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