MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous links to compromised websites, indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of multiple PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics confirms the nature of the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://cooperspick.com/files/78682551268.pdf In PDF document text
- http://anvlaw.com/userfiles/file/22700895656.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/16087da2b3802a---34732484276.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608acaf916acc---sazejubelisobabo.pdfIn PDF document text
- http://mikomisushiwc.com/uploads/files/ribifeleve.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a83cbf30f2---22679241585.pdfIn PDF document text
- http://pro-elec.ru/ckfinder/userfiles/files/2200396428.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609875ee55a54---79536152117.pdfIn PDF document text
- http://brainerdhs71.com/clients/0/08/084bd9d902c6a1e3ee48703551c87841/File/51591976878.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/85a9f6f5973c417d6663bd5e9fb12ba8/pawefululusemujaledag.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/17983342524.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607665a02e3d4---8427643978.pdfIn PDF document text
- http://heureka-cz.eu/files/99161985110.pdfIn PDF document text
- http://zavalinka.by/var/upload/file/kulapuwekajapikedipebafu.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607300c6e2a7f---kolavedove.pdfIn PDF document text
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082acfcd2120---11827211162.pdfIn PDF document text
- http://szsahsh.com/uploads/files/7010808942.pdfIn PDF document text
- http://perfekttorun.pl/pliki/68014321001.pdfIn PDF document text
- http://ibshop.gr/uploads/_uploads/files/59395321375.pdfIn PDF document text
- https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084309449899---tubejojex.pdfIn PDF document text
- https://palet-school.com/files/files/37043847393.pdfIn PDF document text
- https://soechi.id/userfiles/file/58346397790.pdfIn PDF document text
- http://jnnycc.org/userfiles/file/gawevotime.pdfIn PDF document text
- http://elitaliaweb.it/upload/file/11117408345.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/b415da2800bf460c472d9f576ce09fb2/84989477824.pdfIn PDF document text
- http://carszana.com/image/upload/File/gilojomu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=daily+puzzle+todayPDF 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_off0000ec10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC10 | 16600 bytes |
SHA-256: f91a6777f80ebd7e7675228940f1907bf8a95010669b3a9637a643036c725c7c |
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font_01_sfnt_off0001173f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1173F | 10288 bytes |
SHA-256: fceee338d45e7ba1df2a37102c17f311097e3d973db9bfebc5de3ba4ed704b49 |
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font_02_sfnt_off00012e94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E94 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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