MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to compromised WordPress sites, suggesting it's part of a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a tactic of using compromised infrastructure for hosting malicious files. Although no scripts were explicitly extracted, the nature of the heuristics and the embedded URLs point towards a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e0aab1f2d3---kadawagaxuzutataf.pdf In PDF document text
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/a170574168392bcc88be86b01c2f00cc/71689131732.pdfIn PDF document text
- http://chiengthai.com/file_media/file_image/file/toviribon.pdfIn PDF document text
- https://renfrewareahealthvillage.ca/ckfinder/userfiles/files/83137306515.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/5fd43ffb4bf5723653e70a4c2dc848f6/tuwasowaparita.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd32a00dd91---40735514255.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16085311305703---nonewopusidesazomik.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/kidufosinujiruteduzukolor.pdfIn PDF document text
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/sq2vkv51spfpts6jdfr3btueeb/sitenovefuserob.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073162d3a0bd---direbimopode.pdfIn PDF document text
- https://istanajp2.com/contents//files/14766092329.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/brk6el0onrojbgoi067rcnpqa4/gofawaruwenokod.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/16070b853ddfaf---29290086667.pdfIn PDF document text
- https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/6c18bfdc8084b9344e53054db900d115/batexiwopo.pdfIn PDF document text
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/5bbd4a6dd4942c4e2fef1bfcbc1c0cd9/lamojol.pdfIn PDF document text
- http://unseenadventure.com/userfiles/file/jugup.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/75012bff58122dc0cb8e4a024075e221/josabirafodumujuzet.pdfIn PDF document text
- http://nbpcpentecostalchurch.com/clients/65183/File/75863373719.pdfIn PDF document text
- http://tgtech-auto.com/userfiles/file/39011968193.pdfIn PDF document text
- http://ilovehikari.com/uploads/files/56858407446.pdfIn PDF document text
- http://nitexprofi.cz/userfiles/file/99334600460.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/1fhcrtc3fgrgf7ddpkkapvj9f3/2624123773.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/24se1s4f7l69d9s0ps8ngr03j4/xajosakob.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160940fdc6cafd---nuvon.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=pdf+download+for+windows+8PDF 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_off0000edf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF5 | 10412 bytes |
SHA-256: 3f9b2cd2dd256a2fae0ba8a10eefbc320219302360512b116c9fec3793df8302 |
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font_01_sfnt_off000105a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105A5 | 16488 bytes |
SHA-256: ba3e9efbab353bd758b32d6bcd6fdf4f27c97a7ea272ee7b5c92e9032ee75313 |
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font_02_sfnt_off0001305f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1305F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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