MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites used for hosting. Heuristics indicate this is a link farm designed to lure users to these sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b82538178c4---tudozukezijuzetumipoluvog.pdf
- https://kopari.hu/files/file/gefipalegutelefoto.pdf
- https://landbondcorten.com/attachment/file/50c0518c718c9b68b4e5b58445125fed.pdf
- http://furmanreunion2021.com/clients/3/37/3732e4fa3878e851f9d164dff32a9cbb/File/fazojorufuredum.pdf
- http://asfalon.com/__files/file/pivusepejenebotefo.pdf
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/jl7eoh4634inrt3n9dfj9o3f0s/ragamuwuvopufizabogupe.pdf
- https://cursosgratuitosonline.es/wp-content/plugins/super-forms/uploads/php/files/q6caa74pqloatglehb9jibu3cn/xamamalefawixejuza.pdf
- http://jamessham.com/admin/usercontent/file/55167241042.pdf
- https://mytalk7.com/_UploadFile/Images/file/lavibodatomibesejud.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/79e54a16e83f9717a273592580814a15/tamenulalibasasetipofibu.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ecddd029f2---voxugoxuzeve.pdf
- http://kinel-hunter.ru/upfiles/file/61236766309.pdf
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160dc0b4549f09---68116183399.pdf
- http://ahkjt.com/upfile/file/8042294767.pdf
- http://www.parkwaytransplant.com/media_upload/upload/files/22762999152.pdf
- https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/22boksr5ne6kf9fme4d23accj0/18998043841.pdf
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091917005c7d---85569551297.pdf
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16072ddd607fe8---fixubimabazimixikuxizigom.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4d5f9b8e7---lelorinapixutubu.pdf
- http://engroupe.ca/aym_image/files/leroxujenojisiga.pdf
- http://hotechike.com/files/files/pevadok.pdf
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c1bff03a98a---xiwunulumiviregukoxot.pdf
- http://frangarcia.eu/upload/file/84080792746.pdf
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/laqg941jr2fg7a3gul6seretv6/2777715595.pdf
- http://magnachip.cn/userfiles/file/20210519115758.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=gm+to+mb
- 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_off0000ee85.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE85 | 16792 bytes |
font_01_sfnt_off00010697.binab9f6667b908c3c8a48bd33c14e286fe226fe345361a050fedca177341c474b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10697 | 28688 bytes |
font_02_sfnt_off00014193.bineb1ab9a966b9be2dd073fb6ee0191193b62f90979457b1562615f7ae179e4cb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14193 | 9644 bytes |
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