PDF malware analysis — malicious · e5b15febd6b008bd

MALICIOUS

PDF

69.3 KB Created: 2020-12-25 13:58:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22

MD5: 8a1ae8ff64cfc87596a4ba43852859fd SHA-1: 0d07e20fc61e89482618dfd3c6d8e912c2030812 SHA-256: e5b15febd6b008bd86589bb5734fd725ba7bb71d3d4f955162902eb2147e2272

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL pointing to 'traffset.ru', which is likely used to redirect the user to a malicious site. The document body, though heavily obfuscated, suggests a theme related to sports, potentially to disguise the malicious intent.

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://traffset.ru/wb?keyword=sky%20sports%20football%20champions%20league%20table PDF link annotation
- https://cdn-cms.f-static.net/uploads/4494165/normal_5fbe9c3d74366.pdfIn PDF document text
- https://cdn.sqhk.co/sepunaro/ijjdhb9/11783083947.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365594/normal_5f87a906ca5a1.pdfIn PDF document text
- https://cdn.sqhk.co/faresawuf/kDEicvU/beduniguwakedimupotidaw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365539/normal_5fa99ae6de4e4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4423188/normal_5fe59174c1ad5.pdfIn PDF document text
- https://cdn.sqhk.co/vowibesep/ihdthj0/63103834058.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/kikunojulejuj/95938805472.pdfIn PDF document text
- https://s3.amazonaws.com/gosete/inventory_management_template.pdfIn PDF document text
- https://s3.amazonaws.com/jadere/resozud.pdfIn PDF document text
- https://s3.amazonaws.com/sefabe/98335198152.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f1b1fe1-5a27-441e-bb22-5ccf48350e21/ordinance_or_law_coverage.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_off0000d1ed.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD1ED	5836 bytes
SHA-256: `3bff0612a2d0c19bfc53cf25ce8179b0bbea0eaaf8190fe1cd714a8b79636624`
`font_01_sfnt_off0000e5b4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE5B4	10368 bytes
SHA-256: `be3d975343322acf2a42ca18ac905441e1eaeb088d83b2fcf2d6fc32588cf1e4`

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