MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised WordPress uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a network of links for potentially deceptive purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://medvor.ru/uplcv?utm_term=how+do+you+get+rid+of+storage+on+your+phone PDF link annotation
- http://degeninhotel.ru/admin/ckfinder/userfiles/files/nulazaruvox.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/vipupexirolikabinawudazob.pdfIn PDF document text
- http://formpart.com/upload/ckfinder/files/daxodugagirig.pdfIn PDF document text
- http://xn--aknmedcal-wpbe.com/uploads/file/zojidixejubewexivi.pdfIn PDF document text
- http://rts-3.ru/upload/files/25083353693.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16146976f19778---95171981332.pdfIn PDF document text
- http://neuchina.org/userfiles/file/begatedovotoxowerawovavil.pdfIn PDF document text
- https://mk-sito.it/uploads/file/zorivubatisimupuxojib.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302f6a9272c---rixamadobukalelijisije.pdfIn PDF document text
- http://redigonda.it/userfiles/files/96030528287.pdfIn PDF document text
- http://nissanotogovap.vn/uploads/images/files/48946225419.pdfIn PDF document text
- https://digitaldaya.com/imagenes/file/73735626554.pdfIn PDF document text
- http://thailaundry.com/imgUpload/files/31512732667.pdfIn PDF document text
- http://asiancfea.org/userfiles/file/3374578909.pdfIn PDF document text
- https://mudraconsultancy.com/uploads/files/77824236277.pdfIn PDF document text
- https://suruburi.net/mm/file/minopokutetowamumerosod.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/mt2g3etv2ogvike8pvrtgn5105/puwelivafibuzuvifitinogoz.pdfIn PDF document text
- https://masukpt2.com/contents/files/madogefala.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c7b688e99---likurokokimotu.pdfIn PDF document text
- https://bisleriuber.genefied.co/ckfinder/userfiles/files/29535783119.pdfIn PDF document text
- https://picinterior.com/ckfinder/userfiles/files/74334227413.pdfIn PDF document text
- https://alihuata.com/userfiles/file/6125213183.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_off0000b3c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3C6 | 11020 bytes |
SHA-256: 6902d37fe8f0430e9a8592fd5f0907dfec672be6ec3190dd7ff92cd793347b06 |
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font_01_sfnt_off0000cd26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD26 | 16232 bytes |
SHA-256: 7630f7b5007716b00f0b1ff27bb0a8fa7b749ab31060ea85531d5490424e4398 |
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font_02_sfnt_off0000f6fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6FC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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