MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to compromised WordPress sites, indicating a link farm designed to redirect users to malicious content. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of embedded URLs and the nature of the heuristics strongly suggest this document is part of a phishing campaign, likely using a spearphishing attachment as the initial access vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/570530781df123b1bbff6f0698683d2d/95738040841.pdf In PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a41daddcc33---97576017296.pdfIn PDF document text
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609479ef256e0---wodaxowaxebaloxusapada.pdfIn PDF document text
- http://technoculture.cz/admin/upload/file/joxagezexasekusetede.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af924c01025---57582100245.pdfIn PDF document text
- https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/ziwuref.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/2a0a0b82182b4808852276da25fd1dc6/70490291955.pdfIn PDF document text
- http://dynamic1984.com/user_file/file/vilakoxodepobapor.pdfIn PDF document text
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3db043db8---22256376223.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/2207397c7c228c393d77dc4312b15f2b/20726912707.pdfIn PDF document text
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/dcd2dca7d3b631f5d2c913f2d13d002b/jujiroganineratenafid.pdfIn PDF document text
- http://worldnaturalfood.com/image/upload/File/komegimuka.pdfIn PDF document text
- http://nakajima-ya.com/upload/save_image/files/berorimopefirakuronutumil.pdfIn PDF document text
- http://apricomm.com/userData/board/file/wofamojiwolavolasa.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/45dicbfkker8e2bofqk0uk1rm4/xonekaneninasibabi.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a6feb0982df---77903176082.pdfIn PDF document text
- https://avgdesign.com/userfiles/file/fosurabuwejugovep.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/6f3c8cced5872e51eec4206f93f4440c/72490092285.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/dcadeafd975af46c8563bd515347d279/83655288355.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160acb652ee197---vofepodubog.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085921c9859b---tugupewuwawafelefad.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16077682859686---saxivi.pdfIn PDF document text
- https://drvishweshwari.in/userfiles/file/58739479100.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/d283751650db433db02ecea39cfd2aca/50105761577.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082aa4bd61c7---33967715566.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=listening+answers+of+job+inquiryPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011087.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11087 | 11016 bytes |
SHA-256: e446e206563774601e17a3fa6b2f5f536f52a15a49463bce32cc40e3b8418782 |
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font_01_sfnt_off00012a10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A10 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014222.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14222 | 20372 bytes |
SHA-256: be4b400f53b010195e35499fa135ac7be919be5db9c2ff4565c0ccaf596cd76d |
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