PDF malware analysis — malicious · c3d5c480277c9bb0

MALICIOUS

PDF

70.3 KB Created: 2020-12-05 05:46:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: d944b3658c052b5fea6b61c5f0dcfc0d SHA-1: 96c54c36ea63196c1b72ca71d9fab6652f4e75d0 SHA-256: c3d5c480277c9bb03c069c5636a1b8a8e2f1ca5b9fe614dd5df0b75cbaa5b02e

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 0.9995

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://traffking.ru/strik?utm_term=skyrim+yngvild+journals PDF link annotation
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/68a4e0cf-d4ef-4ea8-8d32-ec6fc5ea1fe8/red_plum_tree_losing_leaves.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc5778f405d5340f3487ee4/t/5fc91b82639f091bd39551e0/1607015299194/25695435021.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd06ad1491241adc46f397/1606223535121/12933384746.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0a40cd2a-1b37-4b28-81ae-3a945e331ded/identificacion_de_las_perspectivas_s.pdfIn PDF document text
- https://s3.amazonaws.com/fowikorejodi/pattern_oriented_software_architecture_download.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc5145da3bf4b14abc40464/t/5fc6d7ac788a962b7c1cf16d/1606866865663/skyblock_minecraft_map_bedrock.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1a79b056-0311-4cc3-8060-660644877535/pusixudutixozamuzubagipad.pdfIn PDF document text
- https://s3.amazonaws.com/vatakefojunib/60726190694.pdfIn PDF document text
- https://s3.amazonaws.com/xeroguru/68616569893.pdfIn PDF document text
- https://s3.amazonaws.com/xoferuzu/queen_size_platform_bed_frame_with_drawers.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_off0000d5e3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD5E3	5548 bytes
SHA-256: `c46f08cd3a008418919c25dba727d39022f81a0aef4f9974f906616c5a0ba3c3`
`font_01_sfnt_off0000e8c1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE8C1	10576 bytes
SHA-256: `90c785c49d4acdec84d71790699eee6e1be60e9441b13190d08a93d9889fc8d4`

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