PDF malware analysis — malicious · 3868ca922b66785e

MALICIOUS

PDF

65.7 KB Created: 2020-11-18 12:38:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: aa3aa3e5e96f0a70584b241a985a21d0 SHA-1: dd9a29c3a138f6fbd54dc11dcca868e0555b3711 SHA-256: 3868ca922b66785e116b040c31665f75bb41a58a4e51328f21707ec348ffeaa1

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 0.9998

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://traffnew.ru/aws?utm_term=scenario+planning+template+excel PDF link annotation
- https://cdn-cms.f-static.net/uploads/4369504/normal_5f880646d4fdf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423166/normal_5f9cd6f77b7ff.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/nepawigexa/medical_scribe_resume_examples.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4bbed804-1d8d-4602-ad14-1010e6a16302/33652357757.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/366ec6ff-8835-4165-bc63-0de5d66bb491/mugizezituwenowagej.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc78c8a1-3504-4ec5-92ab-ed9be0177b2a/bilenegi.pdfIn PDF document text
- https://s3.amazonaws.com/tetofamuxulil/xanisemofa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5ace00dc-995e-4f47-9d30-3dc0ce8483fe/21475534947.pdfIn PDF document text
- https://s3.amazonaws.com/peveziwoguxuzam/57621767959.pdfIn PDF document text
- https://s3.amazonaws.com/lefemijip/adjective_clause_definition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7fba7056-5483-4a7b-b142-0ce9be18f78f/35122213942.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_off0000c5c0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC5C0	5248 bytes
SHA-256: `f8566f711f52c946aa9bbb95dc65d8756ee6aaa5007e1d1e1fcfbfda98b9b86f`
`font_01_sfnt_off0000d78d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD78D	10172 bytes
SHA-256: `9d1440a2a3a4af14251a081f6f1cce00dfba9d086938c894f9f91a686a6a4831`

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