MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, which in turn host other PDF files. This pattern suggests a link farm designed to obscure the ultimate destination, likely a phishing page or a malware download. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/b9f1a69b7f76dee12e314ec0407f023a/39940883070.pdf
- http://jshanwoo.com/ckfinder/userfiles/files/sakupapu.pdf
- http://inciboya.com/resimler/site/files/60495025369.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dfe1750867d---giwawu.pdf
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/3mjur7ugc2qq8bmc5nkpp7iqv0/bafilowatelowegukenog.pdf
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/802971734609804a919d1d.pdf
- http://iphysiology.ru/upload/kiduwawapimolo.pdf
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/pdl8lhl50u5erok2jc9g92fudq/vadetetunibubiv.pdf
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160ec52c429024---30294307776.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16091fb415845d---68704277340.pdf
- http://nawooelcs.com/upload/userfiles/2021/07/files/210710070321.pdf
- http://rocb-ap.org/file_media/file_image/file/poxijekunagebijaw.pdf
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e84b22211f---fimibexexifawelozibake.pdf
- http://toyotalongbien.org/data/dulieu/files/resozulozutozipifuz.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160860996a0182---kokomogasesamuzuw.pdf
- http://realfootball.gr/userfiles/file/43815325471.pdf
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160aa73d7e33d6---mibefigi.pdf
- http://sevimticaret.net/userfiles/file/81958347668.pdf
- http://vipforiraq.com/userfiles/files/76103405907.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cbfa67b173---nitodarisi.pdf
- http://zenobiacultura.it/userfiles/file///37350502853.pdf
- http://caryhigh1987.com/clients/41333/File/japugoguvu.pdf
- https://stratasphere.online/userfiles/file/nurabifena.pdf
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/6161bnb20fv0422d6v0jhsucgg/31455476817.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+take+cover+off+graco+swing
- 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_off0000e661.bin7249ebcd22138eca50fd7cf8db592e2226f7bf3172ab314dbffad0016b8ba64b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE661 | 16328 bytes |
font_01_sfnt_off000110b0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110B0 | 16792 bytes |
font_02_sfnt_off000128c7.bin840b3dc56700b91b4a5ca674932280401ee5552c647fd203c4d6c88c2b61748e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128C7 | 10700 bytes |
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