MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to multiple compromised WordPress upload directories, which in turn host other PDF files. This behavior is indicative of a phishing or malware distribution campaign, where the initial PDF serves as a lure to lead users to malicious content. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4014
Heuristics 5
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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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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://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/bfa7044cfb0eed735890c197604c1b34/riwupomapixo.pdf In PDF document text
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/f9ed9db9c8f97df200e5c9c57d9f1ec7/49668191525.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160adcb8ad9073---18395709135.pdfIn PDF document text
- https://hgqq.hk/tony/churchofgod/ckfinder/userfiles/files/52244835092.pdfIn PDF document text
- http://gistys.com/userfiles/file/lodixefob.pdfIn PDF document text
- http://espacioschillout.es/images/admin/file/92303702503.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/odp3h48fscdt2qocag6m4922aq/70010977532.pdfIn PDF document text
- https://chameleoncoupons.com/adgprocessing/uploads/files/17649841537.pdfIn PDF document text
- http://penetrat.ru/files/files/winubefovo.pdfIn PDF document text
- http://flexa.cz/docs/file/21642253801.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/konefaguviwevo.pdfIn PDF document text
- http://ewinghighclassof1963.com/clients/e/e4/e4cb61fc1babc639533983e887b7272d/File/77543082194.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608667959028d---91555066598.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609daf54202d7---64935390843.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/833512e5d0b27b78ca402f9151364da4/11903466029.pdfIn PDF document text
- http://okuninka-biale.pl/userfiles/file/piselepowunoz.pdfIn PDF document text
- http://maristaslardero.es/userfiles/file/92547764730.pdfIn PDF document text
- http://yaan121.com/uploads//files/202108081845429575.pdfIn PDF document text
- https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/d24059f9b1a83a49f553216ac99f679d/71681830001.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160afd5b7e983d---11837562297.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/64628473b279432496399d3c93006771/67407611569.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/2c20de4f80104c385c18cc309ba5d7e0/66068398014.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=radar+system+design+and+analysis+with+matlab+pdfPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00016501.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16501 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00017d18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17D18 | 11212 bytes |
SHA-256: eb69f87fb7f681ddc5dfa016091d2a3ef0886597c12645ee96dca578fb7cc6cd |
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