MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. The primary attack pattern involves luring users through these links, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://nomylo.ru/uplcv?utm_term=gta+san+andreas+compatible+devices PDF link annotation
- https://tunhuaduytan.com/upload/userfiles/files/89739901735.pdfIn PDF document text
- https://camphacement.vn/upload/files/15980906098.pdfIn PDF document text
- http://pyroglobal.sk/app/webroot/files/userfiles/files/sudibawovikexezas.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614547db19fa2---40520168050.pdfIn PDF document text
- http://www.amedna.com/userfiles/files/32096838843.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/dodigogimigad.pdfIn PDF document text
- http://atut-biuro.com/uploaded/file/livomuxutadofug.pdfIn PDF document text
- http://b40555.handyfriendship.com/upload/files/59774799572.pdfIn PDF document text
- https://dienmayngalinh.com/img/files/64921801745.pdfIn PDF document text
- http://slenderclub.cz/ckfinder/userfiles/files/1395492270.pdfIn PDF document text
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/tuvesoluzozagexifumirem.pdfIn PDF document text
- http://sz-nuoyi.com/Upload/file/2021090702302167724.pdfIn PDF document text
- http://a-b-i-s.net/layout/bilder/file/bokezukazurufakuvo.pdfIn PDF document text
- http://hunicorn.hu/userfiles/file/jumafegitewipulevudifumer.pdfIn PDF document text
- http://sns.hu/_user/file/ledudisimo.pdfIn PDF document text
- http://rideco.hu/upload/file/noxajopez.pdfIn PDF document text
- http://shanghaicruiseparty.com/uploads/file/76532638330.pdfIn PDF document text
- https://ceiling.holcom.vn/webroot/img/files/14862589333.pdfIn PDF document text
- http://khaskhaan.mn/uploads/userfiles/files/5193659831.pdfIn PDF document text
- http://youngthisyear.com/ckfinder/userfiles/files/60119370869.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16136248b9e7ae---fupinagubufurujofibemega.pdfIn PDF document text
- http://yasairamenbar.com/uploads/files/xugivuzapikud.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/161334e63e85c1---78431207222.pdfIn PDF document text
- http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/13179561154.pdfIn PDF document text
- http://maiodi.com/userfiles/files/29962143688.pdfIn PDF document text
- https://villamishkan.com/310renonew/front/images/files/garobutomirik.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_off0000e362.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE362 | 10920 bytes |
SHA-256: ee3b9b622d5c8426ff93691a6cb1d41f2a58ac8dd9b0d76aa4c4fe74d80a504f |
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font_01_sfnt_off0000fc6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC6D | 18376 bytes |
SHA-256: 142a70edcabc5586e7210183fc05a99488017f22731346e552d4b47d7b4cbff9 |
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font_02_sfnt_off00012c6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C6B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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