MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple potentially compromised or disposable hosting sites, which is a common tactic for phishing or malware distribution. The presence of numerous unknown URLs and a specific ClamAV detection name (Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) strongly suggests a phishing or trojanized PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://kozlovka.mebel18.com/uploads/files/58166052576.pdf
- https://dazhonghua1688.com/ckfinder/userfiles/files/95515187083.pdf
- http://zoldjogsi.hu/uploads/files/jamepujejowowasifu.pdf
- https://aviatroglo.fr/IMG/file/jaxivomanarenurimofa.pdf
- http://regmac.net/userfiles/files/4569038268.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/0987cf6146c9c164424f83fe9f53d111/guximamozogedoxe.pdf
- https://tempegaring.com/contents/files/tinusenolozopile.pdf
- https://xn--dokumaanahtarlk-llc.net/userfiles/file/11351101105.pdf
- https://nada70.org/userfiles/file/30121742408.pdf
- http://hglobaltour.com/FileData/ckfinder/files/20210907_38CB5521E7403B5E.pdf
- http://blueleaves.ru/userfiles/file/10110399356.pdf
- https://aimhc.com/userfiles/file/70224325171.pdf
- http://www.frank-diagn.hu/userfiles/files/vonumuwizadasejiwifotede.pdf
- https://aynadakikemalizm.com/resimler/files/vonuk.pdf
- http://mtcongnghiepxanh.com/upload/fckimagesfile/zawuram.pdf
- http://nhakhoauytinhaiphong.com/upload/files/3221944142.pdf
- http://newcityhk.com/userfiles/6179068346.pdf
- http://www.520amis.com/upload/files/jifasuxajojirolovitifori.pdf
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/3bb04815025f5760dc109db7a4ad7003/fekubuziv.pdf
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/074bf47b97ba60a8946c687d5e5c83bb/lutidanof.pdf
- https://gencatakan.com/upload/file/75695555028.pdf
- http://maimungkorn.com/UserFiles/file/vanuregod.pdf
- http://iphysiology.ru/upload/xexuvot.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=watch+online+movie+kgf+2
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bc0c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC0C | 16792 bytes |
font_01_sfnt_off0000d41e.bin19f60944567549e0752803758df11e1178fc37631b57ec16ed33c1c833d380ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD41E | 16304 bytes |
font_02_sfnt_off0000fe41.binc811d80c702c1651623b257ea1016a855e896af3925b66a3dc15d834697e15b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE41 | 10788 bytes |
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