PDF malware analysis — malicious · 9ef3f25fda003329

MALICIOUS

PDF

74.9 KB Created: 2020-11-18 10:00:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: f1964c3325e7bf2118565c1db7b14340 SHA-1: 9b9ff990a068edbab9252b949edd208ec906e085 SHA-256: 9ef3f25fda00332995649f41e53e48471af9996aa07a72ab314cb9af810042fb

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://trafftec.ru/123?utm_term=botw+cemu+download+2020 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4428329/normal_5f9dce8042fbe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380382/normal_5f9e58edb1d21.pdfIn PDF document text
- https://rizigavitud.weebly.com/uploads/1/3/4/5/134581125/121e686b9806f5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366662/normal_5f884321c1479.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381759/normal_5fa498197bb1f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369766/normal_5fa0adb042b79.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378853/normal_5f9986076c416.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481166/normal_5fa761b6325ac.pdfIn PDF document text
- https://mobonojijokatu.weebly.com/uploads/1/3/4/3/134320628/xifegafodotulag.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/fajixe/vetozanomabiboson.pdfIn PDF document text
- https://s3.amazonaws.com/xanebavifamopez/tratamiento_para_acidosis_respiratoria.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000db74.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDB74	5060 bytes
SHA-256: `003cc6b542478556d98ef95c748f8abf1a73fa18b2578745fa18f809251e563c`
`font_01_sfnt_off0000ec9e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEC9E	10612 bytes
SHA-256: `fe23877a8195684d3b983352a3b0b91a84a5d65a9f04364b5e7332235bd1967f`
`font_02_sfnt_off000110b7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x110B7	4324 bytes
SHA-256: `cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34`

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