MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to various websites, some of which are hosted on compromised CMS platforms. This suggests a phishing or redirection scheme designed to lead users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/71dd77079009c0e6cfef5903828d85dd/vazijafosub.pdf
- http://amtutoring.com/clients/865321/File/49908114655.pdf
- http://jar-ted.pl/file/96944654292.pdf
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4d258255f---90158005994.pdf
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/86941254787.pdf
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/6dc4234b91463bb085994d8fd1714d98/ratej.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c74f166c0c3---50846214693.pdf
- http://csc-021.com/userfiles/file/20210709125806_moll6z.pdf
- http://absolutelyneon.com/userfiles/file/nupasidaworewepoponewe.pdf
- http://westtech1963.com/clients/d/d4/d4250bc21dcbbf02d7f9bc68df143add/File/99192049318.pdf
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/b150052714caf838a011db313e381305/rajifiguxef.pdf
- http://colorfulmedia.de/fotki/fotki/file/47337899641.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608564786f36d---17732957314.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9d19bf7ee---28669777507.pdf
- http://ural-kip.ru/admin/ckfinder/userfiles/files/lipuxazobelumijimu.pdf
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/jchr5aju6ifbj9q3kto6hs61kl/nipekovewelebole.pdf
- http://dobrasekacka.cz/userfiles/file/vajatagemoraguserinaluger.pdf
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c439355cd8b---95284347751.pdf
- http://zerosquareonline.com/file/53128496660.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a5cf298a3---wexazow.pdf
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/4c6a4065877e9cbdded09b562cfa5575/boviposopatedef.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160af9a12341d7---60752753056.pdf
- http://afghansolar.com/userfiles/file/wolamelipudopok.pdf
- https://stallion-international.com/userfiles/file/9712432694.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=vaginal+itching+and+swelling
- 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_off0000ed21.bin7a1f917ac4b33f7fae7297a9b0e2c879b2694de42af2b6bafc59068271e3d2d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED21 | 10484 bytes |
font_01_sfnt_off000104bf.bin2cd3cc167997125adcebfeab152be1f88075cf3032909f29d29035478e768b31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104BF | 16868 bytes |
font_02_sfnt_off000130c8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130C8 | 16792 bytes |
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