PDF malware analysis — malicious · dcfe06b20427cfc3

MALICIOUS

PDF

70.5 KB Created: 2020-12-01 16:40:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 78510c5782210e8a5b313f8fad981b3a SHA-1: de6bd9152129c87b71fae2f5c2f2ebdc657bb0a1 SHA-256: dcfe06b20427cfc341ab94c926cc6f084402ed3b914887a9f8f43d3ecbfcf192

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://traffine.ru/strik?utm_term=all+tahm+kench+skins PDF link annotation
- https://static.s123-cdn-static.com/uploads/4426955/normal_5fc3ba4086c89.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485457/normal_5fbe6da64146c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369774/normal_5f8ed91d24c9d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417662/normal_5f9a812359ab3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368736/normal_5fb574375c841.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4428052/normal_5fc3cbe22fbd8.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/feec19ba-2b2c-46d7-9a29-52300e8bbb1e/shell_shockers_unblocked_for_school.pdfIn PDF document text
- https://s3.amazonaws.com/babuxufarizuxur/55095624454.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/114c1c68-b740-4ce8-963f-b6dd747c5d2f/rukedamopozube.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/94c70f87-5956-4972-a15e-22f98006371c/15869465492.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/13bbe977-2b29-4a12-b017-b97510b03d51/marie_curie_high_school_staff.pdfIn PDF document text
- https://s3.amazonaws.com/dogazisuze/buxaxivironer.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_off0000d77a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD77A	4996 bytes
SHA-256: `b752846f46ed5367153ad90e7b702077b7117cd622ac1cd2b9c30d496e0299cc`
`font_01_sfnt_off0000e84e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE84E	11824 bytes
SHA-256: `9ddbfd1e5727b81e4a50534e45ecb92cea7209a870549aa9794b49a5b900d44f`

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