PDF malware analysis — malicious · 498c79baff1657c6

MALICIOUS

PDF

83.3 KB Created: 2020-12-19 00:33:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23

MD5: a2fc7f1c65693f08a4b7819df6242ee6 SHA-1: c9496996d66cbb9a456625b5321e9d73ba47c1a8 SHA-256: 498c79baff1657c68f34f838ed93558c70cc514c428724e1144f3dcf8585a391

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 0.9996

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://traffnew.ru/aws?utm_term=aristoteles+pdf+metafisica PDF link annotation
- https://cdn-cms.f-static.net/uploads/4411218/normal_5fb2cb784064b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405430/normal_5fda0c5e5dd7b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/452d0ad6-eb73-413c-97a8-03ba94b0b278/napiwezu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ba505476-9c46-4424-b133-209cb2a1a4e3/tape_diagram_math_definition.pdfIn PDF document text
- https://s3.amazonaws.com/dazuxujepov/7539396545.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/87e6c2b9-acf9-4569-bd11-f9c0e2024d1b/66919473081.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0ddb4e7c-80a6-44cc-8f58-39030afcca85/pedifiduvigodokav.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd46e3d4c3e2367b4b5473/1606239971855/neginegatedujejexiro.pdfIn PDF document text
- https://s3.amazonaws.com/fevobelijogal/papa_s_sushiria_apk_pc.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8e338af4-18fb-4488-a849-48b1c10ff35a/69480741893.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_off00010a25.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10A25	5288 bytes
SHA-256: `2bab0d17c66f898c60642f5724ed7db0cc8b439d61e268bca9bf05a6cb5670ca`
`font_01_sfnt_off00011c09.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11C09	11200 bytes
SHA-256: `cc9d9feabf7fc59f4bde5eb806b78dc90fdb652128bedd93cac32533422eb311`

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