PDF malware analysis — malicious · 6300c3d5717fa252

MALICIOUS

PDF

67.1 KB Created: 2021-02-03 00:37:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14

MD5: 85a6f25394aff41d398b044de8a5774a SHA-1: 03229a5ba5c9b6de7cbb942681da2e03340bdff7 SHA-256: 6300c3d5717fa2528c10605e49f0bf94e077f42774d694d926fa57ccc3865a5c

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ML classifiers and ClamAV, with a high risk score. It contains embedded URLs pointing to potentially malicious domains, suggesting a phishing or malware distribution attempt. The presence of PDF-specific heuristics like PDF_URI indicates the document is designed to interact with external resources, likely to download further payloads or redirect users.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://bologen.ru/aws?utm_term=html+responsive+template+code PDF link annotation
- http://fallofelin.online/chhota_bheem_tamil_video_mp4fg65o.pdfIn PDF document text
- https://cdn.sqhk.co/tinolefowi/h9hgija/world_war_rising_tips_and_cheats.pdfIn PDF document text
- http://fortuneocredit.com/nuance_power_converter_for_macpq9i4.pdfIn PDF document text
- http://copyright-infringement.business/gifubejepemososovavoxana0h1sy.pdfIn PDF document text
- http://prizinsta365.website/mewigafewesuwowozu9nqne.pdfIn PDF document text
- https://cdn.sqhk.co/pumibavi/hjgeHI8/19095154239.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/rijaliwiguvex/sample_special_education_lesson_plan_templates.pdfIn PDF document text
- https://s3.amazonaws.com/retisovojor/58646797685.pdfIn PDF document text
- https://s3.amazonaws.com/wiwuxot/soul_food_restaurant_menu_templates_free.pdfIn PDF document text
- http://roparewuna.rf.gd/mitemifevax.pdfIn PDF document text
- https://s3.amazonaws.com/kovezux/piriformis_muscle_and_sciatic_nerve.pdfIn PDF document text
- https://s3.amazonaws.com/remuv/gereteseli.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_off0000ca13.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCA13	5240 bytes
SHA-256: `4b2fc27a4bb89314fcad8eb164f8bc8a8da7bbdbeb25335e7802de8971825d66`
`font_01_sfnt_off0000dbc9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDBC9	10624 bytes
SHA-256: `f4d228bf1be9596fb27eafa67fbe07a771355388f6fafd4f828a52078259f66a`

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