MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URLs, many hosted on disposable domains or compromised CMS uploads, suggesting a link farm or phishing lure. The PDF structure and heuristic firings point towards it being used to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://synerhu.ru/uplcv?utm_term=%E1%BB%A9ng+d%E1%BB%A5ng+ph%C3%A1+pass+wifi+cho+android PDF link annotation
- http://tccsrl.org/userfiles/files/radotasaz.pdfIn PDF document text
- http://korsorlampang.net/user_img/files/nezenide.pdfIn PDF document text
- http://flapboxes.custompackageboxes.com/userfiles/files/falebulefuxaxalewo.pdfIn PDF document text
- http://dgone.kr/userfiles/file/20210906160826.pdfIn PDF document text
- http://onnetsolution.in/userfiles/file/3702482031.pdfIn PDF document text
- http://pokrowce-ochronne.pl/Upload/file/19625102138.pdfIn PDF document text
- https://ixiu-23.com/uploads/files/202109071115295855.pdfIn PDF document text
- http://cafehinglung.com/uploads/files/20156802836.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135679e11d22---jototofumez.pdfIn PDF document text
- http://kunas.lt/app/webroot/uploads/files/99380211731.pdfIn PDF document text
- https://hobbes-group.com/upload/files/60615068321.pdfIn PDF document text
- https://speakingparrot.com/upload/ckfinder/files/jokefosuvividodawuwev.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c5f60bdb6399fb369c423df60065fd3b/gefexekinijuzupotewaz.pdfIn PDF document text
- https://garnet-medical.com/userfiles/files/tapewelaruzonizo.pdfIn PDF document text
- http://location-appartement-venise.com/italie_documents/files/ruvidodapovukotenemujilir.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/16133e6baefd9d---rukufisuxuxabega.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/tsh5pmkl5h7rk8gbh4r2g48824/41548092571.pdfIn PDF document text
- http://ky-auto.com/uploadfile/files/40049499823.pdfIn PDF document text
- http://kielcenoca.pl/files/file/60147903751.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161301393004b4---83296676897.pdfIn PDF document text
- https://strategieb2b.com/userfiles/file/20277259194.pdfIn PDF document text
- http://ekmeta.lt/failai/file/76686085265.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_off0000db34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB34 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f346.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF346 | 22400 bytes |
SHA-256: 2b51c4ce246dc1084309394e7be2d3e0028e80bc987ccae76180e20174198837 |
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font_02_sfnt_off00012cac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CAC | 11140 bytes |
SHA-256: a09073b941213db5d2d4b82e6ef9c32e5da3b8737a6fddd4bedb5c77a2837333 |
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