MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm or phishing lure. The presence of embedded URLs and the PDF structure indicate an attempt to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9872
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://thuduchouse.vn/pics/file/48156318170.pdf In PDF document text
- http://www.kevimotor-rock.hu/files/files/24685749644.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/77c11d635adcc062a65bfe836fd72200/jozawotape.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f611b780f---sugopugowej.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/e47455cf10d619f3a8eefea52719e0fe/gufaropedatejegim.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/0dfc0b2a198ebea7cf5f1383f2583620/4357658555.pdfIn PDF document text
- http://richiefamilyreunion.com/clients/7/7d/7d03816b951c94fc7c065ced7c7ccdcd/File/tegomonevefarixuf.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/880d6030e8d45fcbdd7552a41dd74007/91532164021.pdfIn PDF document text
- http://rebornfair.com/FileData/ckfinder/files/20210616_8EADD5D4681D23EA.pdfIn PDF document text
- https://fibaquitaine.fr/cebatrama/userfiles/files/bapozegagubemerufisox.pdfIn PDF document text
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/789018b64eb3d3582a0b0a18391cb0fa/boduzo.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160af918fe8352---rukatovewapuxupawusojop.pdfIn PDF document text
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/lak2qh1jv21n023p95uq7mgrp7/40199246002.pdfIn PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16095061ba259a---89814240332.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/abrobuetibajbu707g702d3ki1/85303000356.pdfIn PDF document text
- http://rockfordauburn1966.com/clients/8/85/8549db0cc7d1f63cce07d3be93bd6f3d/File/66852932667.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e050243d4ab---49015436203.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/566c6f6877b474820e0c0fc7536f96c9/94881679000.pdfIn PDF document text
- http://babamoleskine.com/files/file/vefuluwukeferofe.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/f94fd5dcb21e77ac270deef99b8a1604/topapisoxejoredidurev.pdfIn PDF document text
- https://mailing.crpm.ch/ck/ckfinder/userfiles/files/1066027698.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/f5da92e05489c48cbaa9ce0bbe146ccf/6299850252.pdfIn PDF document text
- http://goodtraefarm.com/ckupload/files/nutetanaxesuvidu.pdfIn PDF document text
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/088e27349d2095e70a85f9923c3f1794/93633026069.pdfIn PDF document text
- https://sportsht.com/userfiles/file/lavawabawa.pdfIn PDF document text
- http://naturallabs.de/userfiles/file/6061863519.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/4f8c14f530139ff45265ffbc9881cba9/38045194063.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=ranger%27s+apprentice+reading+agePDF 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_off00014bd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BD3 | 10600 bytes |
SHA-256: 4a5c166d65d86b05f32bfff4e18b18d5c7411cdf6eecdcb7d53a0382bc01ac0a |
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font_01_sfnt_off00016400.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16400 | 17420 bytes |
SHA-256: e80b3ffe7a43485d77f7f1e606ba85fcf963b8a01604f3553e2100ffd4ddb136 |
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font_02_sfnt_off00019189.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19189 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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