MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous embedded URLs that point to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URI links and the overall structure indicate an attempt to facilitate phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://coretry.ru/uplcv?utm_term=watch+hollywood+dubbed+movies PDF link annotation
- http://siripanyalamphun.com/user_img/files/nagude.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144419ead553---13086323076.pdfIn PDF document text
- https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/lorulewamagamozezozik.pdfIn PDF document text
- http://mirutte.com/newsfiles/files/genumaduremepexifogedu.pdfIn PDF document text
- http://csc0535.com/userfiles/file/20210912064642_aupx13.pdfIn PDF document text
- http://jszl-rolls.com/filespath/files/20210909203604.pdfIn PDF document text
- http://zoop-tech.com/ckfinder/userfiles/files/21550763663.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16138ce1839d0d---80529511775.pdfIn PDF document text
- https://bokaichenyu.com/upload/files/37932442998.pdfIn PDF document text
- http://thebeautyofdesign.nl/ckfinder/userfiles/files/92873824113.pdfIn PDF document text
- http://kystar.net/filespath/files/20210916164210.pdfIn PDF document text
- http://chothuexeninhbinh.net/data/dulieu/files/vezomasikenutikiguvud.pdfIn PDF document text
- https://renhedc.com/uploads/files/202109101513445133.pdfIn PDF document text
- https://natatourism.com/userfiles/files/79324864785.pdfIn PDF document text
- http://mathrainbow.com/userfiles/file/61028198600.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141e2a60b077---36187687235.pdfIn PDF document text
- https://swiz.eu/files/editor/kipuwasanu.pdfIn PDF document text
- http://aroma-es.red/yamituki-n/uploads/files/3366051888.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/lkd55t0aa3h09a8dc5la72vkh7/buvejonoluxegife.pdfIn PDF document text
- https://mptradingcompany.com/userfiles/file/26811097122.pdfIn PDF document text
- https://stef-nancy.fr/upload/document/virijonukutevezupakewefi.pdfIn PDF document text
- http://asckhn.com/acskhn/userfiles/file/tojojibemosolujexiletoken.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_off0000f7dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010fef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FEF | 17596 bytes |
SHA-256: b661cf1740bb40723bcf6fe9cdfc5bd07535097d2bee8f25e0122deaa7064dd4 |
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font_02_sfnt_off00013d2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D2C | 10928 bytes |
SHA-256: cb09023494b60532236d03474f48b01bf60ed3db9aebab963343e0ea446fc906 |
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