PDF malware analysis — malicious · 93ae225729c9d86b

MALICIOUS

PDF

64.5 KB Created: 2020-12-10 09:54:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 839cf882b8627543b76fbd3c5fc78e63 SHA-1: 198444850cf875d6316d116471de6c4995343774 SHA-256: 93ae225729c9d86bc40a66d29e9d90a3dbbdab606218fa59537efcee82aace6f

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document that contains an embedded URL, identified as a phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URL likely leads to a malicious site designed to exploit the user, possibly by downloading further malware or stealing information.

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://trafftec.ru/wb?keyword=empty%20calendar%20template%20january%202019 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4380539/normal_5f9d39dc9de8c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf63f1e6d49a06bb89d6c2/1606378481797/1st_grade_common_core_standards_checklist.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7e06a72c-ea91-4807-afda-118099801a69/lr_metal_cooler_team.pdfIn PDF document text
- https://s3.amazonaws.com/wanasuvedigo/46380260866.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f0c5c06e-6a6d-4a80-bf12-9c0bdcd66d00/74815479798.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/145b0d8f-6f22-41c0-bf31-057b18ed3465/25824532292.pdfIn PDF document text
- https://s3.amazonaws.com/kavitokolezub/82621715507.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1712f74c-2ce1-4af5-a643-b514a85ca69b/28213937956.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f0de301f-84a2-4052-b109-21f95155e3f1/ezan_indir_bedava.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/17eaa3b8-0f49-4925-a258-1f7bb0a36a64/earn_to_die_2012_hacked_infinite_money.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_off0000bef0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBEF0	5656 bytes
SHA-256: `8e0e00a50ceb2657b8976555cf6b1d64b4dc16ed70ac584266a7a658694c0488`
`font_01_sfnt_off0000d22d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD22D	10356 bytes
SHA-256: `5e8b7fad9633d23f2594e6a78c288e63226ef3669d6f5782922ff6d65e7b3449`

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