PDF malware analysis — malicious · 6b18d0ad548e266b

MALICIOUS

PDF

69.1 KB Created: 2020-12-23 18:57:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: f734bb873110bf680104fcc883a04cb7 SHA-1: 96bf380ac8c8da77f9d1903ab163157d43e7db5e SHA-256: 6b18d0ad548e266b793c46c74d16ef1d69bb96e83c85cffb9513a1e5fe71fc11

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://trafficel.ru/strik?utm_term=100+game+in+one+app+offline PDF link annotation
- https://cdn-cms.f-static.net/uploads/4451574/normal_5fa59c7df2426.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368758/normal_5fa5665485950.pdfIn PDF document text
- https://cdn.sqhk.co/vekasurox/u5heijl/dungeons_and_dragons_online_worth_playing_2020.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404514/normal_5faf5f893cbac.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369657/normal_5fb6da158fb35.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/farefasejikap/darksiders_warmastered_trophy_guide_ps4.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7cd4af77-c76e-473f-934f-bac7277a186e/answers_to_simnet.pdfIn PDF document text
- https://s3.amazonaws.com/gujutavevive/wujap.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6b3ceba1-5736-431c-8886-d525efcf5e9e/buwoworunuladejumu.pdfIn PDF document text
- https://s3.amazonaws.com/fajetufekejo/cdac_exam_form_fees.pdfIn PDF document text
- https://s3.amazonaws.com/pazatuv/ada_dental_antibiotic_prophylaxis_guidelines_2019.pdfIn PDF document text
- https://s3.amazonaws.com/xukirizugukugi/integer_practice_worksheets_for_7th_grade.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_off0000d179.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD179	5044 bytes
SHA-256: `fd7f80aa64ba2edeaebc96f2f78212a24a048b38952819f4ad1074dc962258b3`
`font_01_sfnt_off0000e2a4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE2A4	10932 bytes
SHA-256: `f2faeaf3195ac4e53d7f75e3a0246d7bd19e120744a5b7fe6f6bd1824d7c7043`

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