PDF malware analysis — malicious · 8db240d69c8d9c66

MALICIOUS

PDF

92.3 KB Created: 2021-03-01 01:49:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 8a25b603954b3d4b8f643256a716ac4c SHA-1: 905073da64506b1951a0ec9b34f290604dc456a8 SHA-256: 8db240d69c8d9c667f6a3ea186137926a8a5d1a44042feafc94ec16b7f3462e5

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://seumenha.ru/strik?utm_term=peter+drucker+famous+for PDF link annotation
- https://cdn.sqhk.co/tavaxiwugo/dtn9fIy/pivebetofuterajewuvotapim.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388613/normal_6005a4ee4dcde.pdfIn PDF document text
- https://cdn.sqhk.co/baruduwege/gjTvSii/didagoxiwafe.pdfIn PDF document text
- https://cdn.sqhk.co/jadojibam/cicWjdb/87585873602.pdfIn PDF document text
- http://nakidki-alkantara.xyz/my_cafe_restaurant_game_apk_modlodms.pdfIn PDF document text
- https://cdn.sqhk.co/dusaradezat/2SWpjhQ/mogemixovojivewunaz.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484636/normal_5fe2518f33a49.pdfIn PDF document text
- https://cdn.sqhk.co/tinipuded/u7FZjjB/best_east_front_game.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/luropiw/solving_double_inequalities_worksheet_tes.pdfIn PDF document text
- https://s3.amazonaws.com/tazopaju/wibipefazonogokerula.pdfIn PDF document text
- https://s3.amazonaws.com/geraromu/85757826649.pdfIn PDF document text
- https://s3.amazonaws.com/jivagajamav/87284753995.pdfIn PDF document text
- https://s3.amazonaws.com/wiwuxot/19486359575.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00012905.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12905	5200 bytes
SHA-256: `2b3103b36d39a4a4daf559b121763e5032ef79ac74400c259f2e15bfa7f73cad`
`font_01_sfnt_off00013aa6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13AA6	13688 bytes
SHA-256: `bafb8456213547a3678f461377f02e99b34eded9a2ee6b1de785913933a14fec`

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