MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to compromised WordPress upload storage, suggesting it is part of a phishing campaign. The document body is heavily obfuscated, but the presence of numerous links to potentially compromised domains indicates an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1608d078c7aefe---zebapusaferapasufujusa.pdf
- https://retta-bg.com/userfiles/famipuritira.pdf
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/d7ec2f6fe817e667ba7daa91b9b3a5c7/gesibebifogibinemupa.pdf
- https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/1606c964021ca1---zazixuba.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c634d45b66---lulavizufol.pdf
- http://lorichphoto.com/pictures/file/gepumatimilojulibowabisa.pdf
- http://elyriacatholic1970.com/clients/7/79/79c6984f8945646ae1b55d50a6b4dbab/File/limanojitetawuwep.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/cira82molh4p1ia5q54knki271/buvakulirezatet.pdf
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3a9e2d608---38728705403.pdf
- https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/9b0cd7cec34419bcf9d88ff1ba73fb78/89729276268.pdf
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160ab26d242a14---87701103304.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f23e0c2096---zeluvapifux.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a7051d29f4d---45723496844.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a98c043927---xanejetetuguzaminadafave.pdf
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1607f741eee8a5---xevisupe.pdf
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088e3f564154---51627358993.pdf
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/snua6umluplj3c94iuggieh45u/32059974812.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=paper+chatterbox+template
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dca0.bind5553343344ef0cfe07600dd1c230dc40db409e7442a534c6ad88b3d6754a3bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCA0 | 5204 bytes |
font_01_sfnt_off0000ee2a.bin2f551debe7699a256257e68777f240b7f4143c6a40ab6118a76f9ea9e5de602c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE2A | 10592 bytes |
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