MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to disposable hosting or compromised CMS upload locations, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics reinforces this assessment.
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 http://srub-servis.ru/userfiles/file/dutiwopifokile.pdf In PDF document text
- http://xinchenfast.com/upload/file/36426826129.pdfIn PDF document text
- https://acrgruppe.de/userfiles/file/losoxikudelipirisavose.pdfIn PDF document text
- https://dbhattacharjee.com/ckfinder/userfiles/files/remapupas.pdfIn PDF document text
- https://isagrinio.gr/userfiles/77867465533.pdfIn PDF document text
- https://dukra.sk/editor_uploads/files/mopubasemeno.pdfIn PDF document text
- https://foundryindia.org/userfiles/file/tozuperiwudoj.pdfIn PDF document text
- http://kolaykanal.com/userfiles/files/71320410503.pdfIn PDF document text
- http://gldbirdgel.com/user_img/files/26867188917.pdfIn PDF document text
- https://trimix.bg/UserFiles/File/bivetaluwemujosedovuf.pdfIn PDF document text
- http://dorrstrechy.cz/UserFiles/File/81280974713.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eaf679d678---82574588834.pdfIn PDF document text
- http://tayles.com/uploaded/xudizuripefanesariravisa.pdfIn PDF document text
- http://zekejozsef.eu/FCKfeltoltott/file/netevijajaradozivozinuwe.pdfIn PDF document text
- https://ruh-center.ru/userfiles/file/depikiwabalapa.pdfIn PDF document text
- http://elcolono.net/userfiles/files/92891769744.pdfIn PDF document text
- http://centronegozi.com/public/finivozura.pdfIn PDF document text
- http://fuyu.010bi.com/ckfinder/userfiles/files/16928373049.pdfIn PDF document text
- https://kabelkyaobuv.sk/editor_uploads/files/12407510725.pdfIn PDF document text
- http://www.impactit.in/ckfinder/userfiles/files/34701215104.pdfIn PDF document text
- https://fivetc.net/uploads/files/nuduvutevikufinoxisa.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a1f1c9072c---43184566516.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/16131163c2a9e3---fefudadotidas.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=gta+san+andreas+mobile+for+freePDF link annotation
- 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_off0000dbfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBFD | 10696 bytes |
SHA-256: 0e7bd1d624fbe326abd9025aa640b34d3fec2e71e140a54211ddd321eb297d78 |
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font_01_sfnt_off0000f480.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF480 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010c92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C92 | 20268 bytes |
SHA-256: d7627d73ce9173898fb2c4bee1fcd0f90bb24a6fe6b5d95e6ee73a13592381f0 |
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