MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The file contains a link farm pointing to compromised WordPress sites, likely intended to trick users into downloading a VPN application. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a phishing or social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/r6ul021a6s06s18j54oqq5qhib/masono.pdf In PDF document text
- http://agro-pasz.pl/ckfinder/userfiles/files/51279273613.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbd6087bdd---12879025971.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8bc2629c7---sugupatuzuxaj.pdfIn PDF document text
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/65afa235c6e54aa08d5e0d552d32e39d/telotibuwog.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae96daad339---93020300749.pdfIn PDF document text
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608076789b969---vetapegiletoxojamoguj.pdfIn PDF document text
- http://w-f-l.de/user_img/file/34501708585.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607f055b80e02---9328374015.pdfIn PDF document text
- https://jodhpurtravels.com/nbloom/fckuploads/file/46507331751.pdfIn PDF document text
- http://alituncer.com/userfiles/file/nizobibesoku.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/30abd065fa118eb7ae79915e1a5076f9/gojowijusovubez.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021050412480573499.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c4c2517a5---vorekesafe.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/86bbc2ccdcaf65e5ff8d3e4aadb1f3c7/zisapenum.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=vpn+master+unlimited+vpn+proxy+mod+apk+downloadPDF 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://scripts.sil.org/OFLIn 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_off0000d7a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7A7 | 5456 bytes |
SHA-256: 232e1521d94904fb2c445f0adde22ea5aebad9c833f480b9064be0eb96691c6e |
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font_01_sfnt_off0000ea38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA38 | 11288 bytes |
SHA-256: 9d6061584397fd8951a6acdecc47cb0aa5b4d871b49f10ffb7aba7e79b554b7f |
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font_02_sfnt_off00011107.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11107 | 16092 bytes |
SHA-256: 39b2f4b99ee08965fd4836f89f628a00cde8346cb181131bba0308e80db8fb67 |
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