MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous links to external websites, many of which appear to be compromised WordPress upload directories or disposable hosting, suggesting a phishing or link-farming scheme. The presence of external URIs and the overall detection as a phishing trojan indicates an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://chcial.ru/uplcv?utm_term=born+without+foreskin PDF link annotation
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614134126146f---dagipubejibofujenetetor.pdfIn PDF document text
- http://paradisetnl.com/FileData/ckfinder/files/20210923_9C81DD84AD5AB1AB.pdfIn PDF document text
- https://bacninhonline.com/webroot/img/files/reter.pdfIn PDF document text
- http://aviafond.ru/userfiles/file/demigi.pdfIn PDF document text
- http://beautifulmoda.com/userfiles/files/refekoke.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/d5b398788e7559791780b85b0dac93fb/xixetezex.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/lobiwozinunowusudavek.pdfIn PDF document text
- http://ensky-chemical.com/upload/files/62279936861.pdfIn PDF document text
- https://anglarill.net/userfiles/file/pitikanumunegukekemafizod.pdfIn PDF document text
- https://cowichanseniors.ca/userfiles/file/3536551552.pdfIn PDF document text
- http://artediapharma.com/upload/files/18870536807.pdfIn PDF document text
- http://prinsart.ro/uploads/files/mixuvamuvakowi.pdfIn PDF document text
- http://nuestratierrapremios.com/campannas/file/fapekitesawavevomin.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/75dd27ead400519073e7b1756b575a22/suradeborezil.pdfIn PDF document text
- http://shimamura-mail-order.com/userfiles/file/funikitanawutewuna.pdfIn PDF document text
- http://siamsnail.com/media/userfiles/files/masudedulugifetemipe.pdfIn PDF document text
- https://espritgt.com/userfiles/file/33377852551.pdfIn PDF document text
- https://ruxthai.com/ckfinder/userfiles/files/73898025578.pdfIn PDF document text
- http://sanga.asia/userData/board/file/biluraweg.pdfIn PDF document text
- http://vigova.com/Images_upload/files/lobajatos.pdfIn PDF document text
- http://ovstav.cz/app/webroot/files/files/11731125365.pdfIn PDF document text
- http://back2wood.de/userfiles/file/80371283890.pdfIn PDF document text
- http://speckrepeg.by/UserFiles/files/44831480175.pdfIn PDF document text
- https://marathonroller.com/userfiles/files/jijariwaredaxenazoregur.pdfIn PDF document text
- 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_off0000c8a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8A7 | 10432 bytes |
SHA-256: d79d95d58d3707e9bf35a810c33a7618ebd3cff192db02d733454c31accd02a7 |
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font_01_sfnt_off0000e060.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE060 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f872.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF872 | 18176 bytes |
SHA-256: 4a04c99b40530fb14c4f0f12943c8b050b2c0dc7cf9e68e8c571f126f1171a45 |
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