PDF malware analysis — malicious · 3cbcec4b972839de

MALICIOUS

PDF

68.3 KB Created: 2020-11-28 07:17:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 93f103d7b7aeeb9d7c49a1a42febaead SHA-1: 15a3a90a707ad12882d3371e6ba22bc73e9041e9 SHA-256: 3cbcec4b972839de239bed3fd6218ca3e1a8b36ef6a59d9b7edb68f4486aef12

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 0.9997

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://trafftec.ru/strik?utm_term=are+top+doctor+awards+real PDF link annotation
- https://cdn-cms.f-static.net/uploads/4496015/normal_5fb6b56bd6a26.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388067/normal_5f9272dc2e92a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4394060/normal_5fa882b22b334.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/d47323c2-7e17-4819-b572-d257b1f09706/9344807621.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/adc5c28d-5c02-4b15-8b2c-7e84594f99c3/download_candy_crush_soda_apk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2a278fcb-7944-4825-b557-f62f6644dd2d/what_is_an_undefined_slope_0.pdfIn PDF document text
- https://s3.amazonaws.com/falevi/zofaginav.pdfIn PDF document text
- https://s3.amazonaws.com/waxapoz/all_of_me_piano_solo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/31776a72-70e4-46da-8e25-47f086206cec/the_lightning_thief_musical_bootleg.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/881f2f1d-2121-4c6d-9870-8f9eabcb4864/nawudosutavewoj.pdfIn PDF document text
- https://s3.amazonaws.com/gisujubolidine/actors_studio_interview_with_clint_eastwood.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_off0000d158.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD158	5148 bytes
SHA-256: `1c3ae81f9081c4f205bc4770dbd3f3c6d244249c442517559d36496a69a70279`
`font_01_sfnt_off0000e2f9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE2F9	10036 bytes
SHA-256: `2600cc821ef9c34493441b5c0aabe45eaf33090fbcfc8cbd7e4116385965772d`

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