MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress sites, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to deliver a secondary payload or lead users to a phishing page. No scripts were extracted, but the PDF structure itself is used to host these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9923
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://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/jrbr1idt2ubar4je3ks6aoervu/fezuv.pdf
- http://fulepmark.hu/nyebu/fulepmark/userfiles/file/xevonelevogefaz.pdf
- http://agendatourvietnam.com/hinhanh/file/3908221924.pdf
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609436c8d269a---55498137516.pdf
- http://alpanelektrik.com/depo/sayfaresim/file/tinugelazenibogowadejalu.pdf
- http://ofipapel.org//ckfinder/userfiles/files/48798121954.pdf
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/uh9ms5810plq3n02fiov1j5q71/95176090668.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160733b889a634---zuruwawiruzi.pdf
- http://airconbank.com/upload/fckeditor/file/25937203604.pdf
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/bbfe9f0f72b7d9f97b4b53f0191536b5/valomavupamibelagigexuzek.pdf
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/ed6ec54452d86988db84292c1daf3d7e/86090101967.pdf
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a37e6d8a45---86901678588.pdf
- https://study4student.com/cache/fck_files/file/21904124268.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1a51ddc4b---8686970312.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c37c86a1e2e---fiponetilizemevuguremi.pdf
- http://anhuifan.com/upload_fck/file/2021-5-7/20210507050431316819.pdf
- http://womensmentalhealthmd.com/clients/9/9a/9a9ccad1be43d50cbc9928f06550b956/File/6687474162.pdf
- https://asiajitu.com/contents//files/wogav.pdf
- http://brette-animation.com/userfiles/file/37606193046.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae36e76504---9802094768.pdf
- https://travelstore.tn/userfiles/file/ridefepuzidexi.pdf
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/7c438b3dd38df9831cd66e9196320d6e/50601665697.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/3369c7df7cbdceaee2b862c7ff512991/xokatorazetemorikol.pdf
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/9e4ieqa5erfv2nm8pigrchla8v/30806134423.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/depm5dhtt2arv3p938s397bjol/20369232170.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+expunge
- 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_off00012d17.bin13d4938292f57aecac24593ecfb51b4c758bccd11589c693b40873e489b1083f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D17 | 17904 bytes |
font_01_sfnt_off00015bce.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15BCE | 16792 bytes |
font_02_sfnt_off000173e5.bin0750d48ade377e0ba01e0fd28ecbf813f15cdc5d02968f2673eacc0611020e87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x173E5 | 10140 bytes |
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