PDF malware analysis — malicious · bdabc6f328652dc3

MALICIOUS

PDF

63.4 KB Created: 2020-11-14 13:25:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-14

MD5: 5a6b07dcf6cda33854dd3aac1f3ba2af SHA-1: ec2fb4dbd1a07c0ea69152d5b21b95c65ecc5a95 SHA-256: bdabc6f328652dc3cef339e27c3ae9f1ba6036ff2b572678d5ffbae29575cca9

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URI pointing to a suspicious URL, which is likely part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, contains strings related to 'JBL Horizon manual download' and the authoring application, suggesting a lure to trick users into clicking the malicious link.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://traffset.ru/123?utm_term=jbl+horizon+manual+download PDF link annotation
- https://cdn-cms.f-static.net/uploads/4386834/normal_5f95fa2dd251e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375358/normal_5f9e939dce099.pdfIn PDF document text
- https://disadoxamegipu.weebly.com/uploads/1/3/4/5/134527150/vinigezifeg.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366043/normal_5f8f13a1d5e3a.pdfIn PDF document text
- https://zirufifun.weebly.com/uploads/1/3/0/8/130874679/227973.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422631/normal_5fa4e2f096f57.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444853/normal_5fa1c88bd3cae.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383574/normal_5f96324949cb6.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/6ea6acfe-24bf-4094-9098-e99166d82307/brownie_guide_challenge_badges.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0863376e-b145-4d56-820a-a5dac9176671/45550931251.pdfIn PDF document text
- https://s3.amazonaws.com/kalufizefem/79893480009.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_off0000bc56.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBC56	5156 bytes
SHA-256: `444cb2b5cbc6b5d5c2d815ea5ab52c0bc0e786a4a3ff5483fce51af1682a74a0`
`font_01_sfnt_off0000cdc1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCDC1	10792 bytes
SHA-256: `ac2cb432141969e74397725921d0b81e7763279c9cea8f8547db9371fa7b2777`

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