MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised WordPress sites, suggesting a link farm designed to redirect users to potentially harmful content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.5182
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://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bce94ab2e4d---57686160234.pdf In PDF document text
- http://klubbelgickychobrov.sk/editor_uploads/files/dogiwunad.pdfIn PDF document text
- http://zs-oilfieldequip.ru/d/files/lunototixifanok.pdfIn PDF document text
- http://gramercygrand.ru/files/file/fopupa.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/9a18d1020313ec21e5a0b05a1fdf5628/zunajijugewepoluv.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/97321644979.pdfIn PDF document text
- http://creativeindustries.ru/uploads/userfiles/file/fidesijifolopide.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/8d066fdb8042ba9226e9ac3bc5cbe0d4/kebasitakusujas.pdfIn PDF document text
- http://zerosquareonline.com/file/rejiwajinimonu.pdfIn PDF document text
- https://eletvital.hu/uploads/files/puzav.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/7e98f428c6932c5b5cdcdc305156941b/8055700847.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608828f25797d---xudukizivosowabadozefaxuz.pdfIn PDF document text
- http://cityhelps.org/clients/6/61/61afa7a028a8e04f14432b0fece6f2b0/File/jigobo.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/3a4b43ec6d07cc335095b3f0d25bc49d/vomikamozesa.pdfIn PDF document text
- http://munnarinfo.in/userfiles/file/71429361135.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/6gq6vvod95hs1t1435khu22ank/muwuf.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16084692babe9b---rarivilokupavoreman.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1610fb58fdd9f9---giletaladawopelufavivilo.pdfIn PDF document text
- http://lakesnwoodskerala.com/uploads/file/84043538128.pdfIn PDF document text
- http://slesnick.net/userfiles/files/34683683600.pdfIn PDF document text
- http://soldresold.com/Shradhdha-Mehra/soldresold/final/ckeditorimage/files/mutotozofotunifuduwegi.pdfIn PDF document text
- http://matchedtubes.de/userfiles/file/fezef.pdfIn PDF document text
- http://webbyshoe.com/fckeditor/userfiles/file/difodunoxegofufu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=list+of+foreign+words+in+englishPDF 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_off0000f8c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8C0 | 10516 bytes |
SHA-256: 2e3358897d245c5088ff39ef0c48a2c43618c4fb5dcf499257a60b4c7d925cf2 |
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font_01_sfnt_off00011073.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11073 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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