PDF malware analysis — malicious · 6e9683589bfad76b

MALICIOUS

PDF

73.7 KB Created: 2021-02-23 11:15:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 45dfa350d88ecea0e63b79e07b911d7f SHA-1: e343ce1f7d53391cefc83e935830936d095e9ee2 SHA-256: 6e9683589bfad76baac9e55917f2f539288e13e982b6826a681d5e086eff82f5

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The ClamAV detection and ML classifier strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to malicious content, potentially for credential harvesting or further malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://seumenha.ru/strik?utm_term=how+to+change+a+motion+sensor+light
- http://contentmedialiteracy.com/55779533439og9ue.pdf
- https://cdn-cms.f-static.net/uploads/4426415/normal_5fe99f45b6358.pdf
- https://cdn-cms.f-static.net/uploads/4413456/normal_6013ad08b574e.pdf
- https://static.s123-cdn-static.com/uploads/4420767/normal_5fcd79bdebdca.pdf
- http://bighome.space/31031704238ih6cs.pdf
- http://worldthailand.fun/compaq_presario_v5000_specsv327e.pdf
- https://cdn-cms.f-static.net/uploads/4382781/normal_6018d77947fa4.pdf
- https://cdn-cms.f-static.net/uploads/4425727/normal_6013c06359cbc.pdf
- https://static.s123-cdn-static.com/uploads/4479451/normal_5fe098aaed560.pdf
- http://itdiscount.pro/zudabr9pqu.pdf
- http://mscredit.info/operating_systems_for_computers_free_download9jk9p.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/ritoma/58215805116.pdf
- https://s3.amazonaws.com/lososimap/56740050281.pdf
- https://s3.amazonaws.com/dazinibonofobi/14089726778.pdf
- https://s3.amazonaws.com/vojapu/3158988568.pdf
- http://ragoziminazu.epizy.com/makibad.pdf
- https://s3.amazonaws.com/rorives/fiber_cable_types.pdf
- https://s3.amazonaws.com/tuxenipup/caboolture_state_high_school_formal_2018.pdf
- https://s3.amazonaws.com/rakabexozu/81185448610.pdf
- https://s3.amazonaws.com/jadudusujuje/mario_benedetti_cuentos_completos.pdf
- http://bilunijo.epizy.com/rirutuvoda.pdf
- 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://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e335.bin` `b4dff0f5551062d77d9fd619a19c2574c5663d807580d047a371e72e1f61d358`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE335	5264 bytes
`font_01_sfnt_off0000f500.bin` `85162e7d2ee7e149b0755fb591f268cdf2182e0f0e77989a73c5cb58696b66dd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF500	10564 bytes

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