MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML and ClamAV as malicious, with heuristics indicating it functions as a link farm pointing to compromised CMS uploads. The document body is unreadable, but the presence of numerous URLs, many hosted on compromised WordPress sites, strongly suggests a phishing or malware distribution attempt. No scripts were extracted, but the overall structure and URL patterns are indicative of a malicious campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160e3c529cb4c0---jiwavipimisojepokufelavuv.pdf
- http://bensonlandscape.com/editorData/file/guresufametugapoxupebum.pdf
- https://aashianarealty.com/file/jolupodebuxopopajo.pdf
- http://matstravel.ru/userfiles/file/9386302143.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/k4l8pqe5hc76q61i5fmk8tprdv/bimetowuleke.pdf
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160851ac2a4ff0---73371102434.pdf
- https://mvservice.it/file/34160770032.pdf
- http://angelofthewinds.net/ckfinder/userfiles/files/93047413174.pdf
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608487a36baf1---muwodobaru.pdf
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba54f29b86c---kirar.pdf
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d231fe90f04---savalamigabelagemanev.pdf
- http://2478.ru/admin/ckfinder/userfiles/files/terop.pdf
- https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/s7g3skrcdtee13brvmd10ji16e/47700804158.pdf
- http://travellightnepal.com/userfiles/file/nivugaxul.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160871e66e0cde---61034726181.pdf
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b708745fe9c---puxoxojikozonuzigisof.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084ad70a1d22---vopiramovoluta.pdf
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/d51442dd0f228608860a9e3289697505/mezugoverar.pdf
- http://jiendurancecoaching.com/ckfinder/userfiles/files/56235553018.pdf
- https://ijmscr.com/ckfinder/userfiles/files/vakuwuwelinuf.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a5877f3ba70---dakugotaruzubakag.pdf
- https://teamcode.net/upload/files/28063672798.pdf
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/dafee831c8c2dd98d4aa01f0309edc3b/24628705732.pdf
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/vb6pectsehqol2qa3achp0m0n1/75039270888.pdf
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160782cdbc0470---2233086941.pdf
- https://fanaf.com/article_ressources/file/safowijokotokosalogexiga.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+connect+a+dac+to+an+amp
- 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_off0000f86d.bindd4be557bb459c50d7a904592456ec77f885a9a19c6ef56bda8450426bea559f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF86D | 17868 bytes |
font_01_sfnt_off0001278a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1278A | 16792 bytes |
font_02_sfnt_off00013fa1.bin500945e75592c500acfaa968356c0a0e6ec74855ab79b34df3ec17452c4f439e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FA1 | 10344 bytes |
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