MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites, suggesting it's part of a link farm used to distribute further malicious content or conduct phishing. The PDF structure and link farm indicate a tactic to redirect users to potentially harmful external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.8846
Heuristics 5
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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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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://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/4329accf36a10e881258cfc4acf52591/8817116788.pdf In PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160993ac682456---kakutefupejebubeniranonox.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16085cb7bcca2b---30582789625.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce23cdc610---totimakoduvizizutunokavug.pdfIn PDF document text
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/2387e63453418609981e71a93f070b48/63513706324.pdfIn PDF document text
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/8eb67b5c0dd3d13057c55c78f9f13e5e/nivavefisudi.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/dd412ee80d895abd94f786eb592d34f5/zepopavulewelol.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609ae62d1d0c0---zulixilutepal.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/oninlq5a5rvpgg9katn29k8bek/33819536704.pdfIn PDF document text
- http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/92122402291.pdfIn PDF document text
- http://hajni.pl/userfiles/file/49442045031.pdfIn PDF document text
- http://wrhs1976.com/clients/0/08/080801f2a31a95d446b71e9836a5425d/File/najen.pdfIn PDF document text
- https://northwestconvention.cz/data/files/pafuga.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/nv4nf675fhmvf7338g6jpma4mg/ripomorixuxolomejisel.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608c813f73397---notexedanefolapekif.pdfIn PDF document text
- https://demircanticaret.com/userfiles/file/8296174107.pdfIn PDF document text
- https://iword.de/userfiles/file/sutaxupom.pdfIn PDF document text
- http://www.deco-interieure.com/userfiles/file/mekamiwigariruwike.pdfIn PDF document text
- http://chiesamadremarsala.eu/userfiles/files/1017592404.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/f6a1aabeef7f8b32578dfe65efe95fb7/nativeboto.pdfIn PDF document text
- https://agrolliance.ca/ckfinder/userfiles/files/6730693600.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/80f8b6fd7cbb05696389bd5b968e019d/jokasirodunirejanonumiw.pdfIn PDF document text
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/0fd4d684c68d29dc9c0f0a1d71f74c07/xaposaxoseximutusupixuv.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6d9fdf5bb---56546066291.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=baruch+spinoza+pdfPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00021fe0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21FE0 | 10656 bytes |
SHA-256: 1c72e99bed730ac0a004ed8f56741a20dab381a68d99a976f21338d4437440b0 |
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