MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV specifically identifying it as a phishing trojan. The document contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the nature of the URLs and the PDF's structure indicate it's likely part of a phishing campaign or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9790
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 http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608c488ba1745---rivobatugigadozeluxizijo.pdf In PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/0d6abe1e570b504c003b9911e3a80a45/93532397322.pdfIn PDF document text
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/2405800b015bc29fa7229ddafebf67a5/37199573357.pdfIn PDF document text
- http://chsbicentennialclassof1976.com/clients/c/c2/c283bfa2537a82fb79a670aa087b4bd4/File/1538131070.pdfIn PDF document text
- https://clubslotalmatriche.com/calcas/file/rozerebelabom.pdfIn PDF document text
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/fb1c9a8e67ee3aa03b22a6df70f68c74/vetujowugepuvisu.pdfIn PDF document text
- http://surtek.biz/image/files/20150115_222625.pdfIn PDF document text
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/i4esuhaecl015eclnpbemu8g0r/82505708556.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd2fe38980---75336074733.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/s59340tumobg47pi5bm7tem2b8/vodepexod.pdfIn PDF document text
- http://cesishotel.com/res/wysiwyg/file/visizagavi.pdfIn PDF document text
- http://whs1963.com/clients/7/75/758a827d59fb1c2827eec60421ffdc22/File/37833848553.pdfIn PDF document text
- https://onlinendttraining.net/files/96742661581.pdfIn PDF document text
- http://kristenpell.com/userfiles/files/mutafovewobagugejapegi.pdfIn PDF document text
- https://kopari.hu/files/file/vogokoxani.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/eooqnah7a4h8klf75hlbd3cici/53995679043.pdfIn PDF document text
- http://rolmech-strzelno.pl/Upload/file/7737450194.pdfIn PDF document text
- http://daehwa.info/uploaded/file/30392757732.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e6abdc73a8---97341216889.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/41104da8bd37efa7b5cef80df747399b/putepudiro.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/0917c70e48fd9cfe69c5259074d9c069/butilukosuxobuwefij.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d623c8a4023---nixufotabidowulitafeleg.pdfIn PDF document text
- https://guijek.com/userfiles/file/xogusu.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608468445ff78---zetefurotewinuvanizewu.pdfIn PDF document text
- http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/hp8nioncrdlv68cvjehl6svdn0/32919369110.pdfIn PDF document text
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/7419ba9dc27b210f48205739d539fafc/bazekutufanapubojoz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=english+2200+with+writing+applications+pdfPDF 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_off000137ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137EC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00014ffe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14FFE | 18260 bytes |
SHA-256: e9a758adf90234a5de3945a5168171f3bf3a106e7df1ed08aa7defd791c186c1 |
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font_02_sfnt_off00017f54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17F54 | 11080 bytes |
SHA-256: e6857ebb1ac2561847ba12e4c40637b425effc9d1f50af731a9629166f2b5582 |
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