PDF malware analysis — malicious · 99e05fe9b1a11401

MALICIOUS

PDF

72.4 KB Created: 2021-01-13 08:05:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24

MD5: f74566c00542ae51519109c08cee4b4d SHA-1: 15fe22ff1174ce9c920b67bd1e1af1d0e5f22ef7 SHA-256: 99e05fe9b1a114012357db30397b6dc220e332ee1a2fa56331eb1a5c2e0774af

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-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://traffnew.ru/123?utm_term=baby+r+us+jobs+application PDF link annotation
- https://static.s123-cdn-static.com/uploads/4486971/normal_5ffc0868c6a88.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489609/normal_5fd7a8e8663c5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418993/normal_5f99f997ea75b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379487/normal_5ffb3eddc051b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470205/normal_5fab1cd241cb3.pdfIn PDF document text
- https://cdn.sqhk.co/wixexozesila/5U2Re87/jenod.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367275/normal_5fccd28623758.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426814/normal_5ff676a815433.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416938/normal_5f99d5c80d887.pdfIn PDF document text
- https://cdn.sqhk.co/nedupugifuka/ZWL3Bc1/action_cam_live_stream_app.pdfIn PDF document text
- https://cdn.sqhk.co/rosafipex/qpgcgjS/detective_byomkesh_bakshy_full_movie_online_hotstar.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454545/normal_5fbf259774220.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000ded0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDED0	5292 bytes
SHA-256: `dcfe8b87937d2016bad756154de343efee7eaf2b8d04caa1f45e2232f064aa46`
`font_01_sfnt_off0000f0e9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF0E9	10652 bytes
SHA-256: `3ed31a80634a867f9338dbe3c9d51f90e80762e024728fa55fd8ae767b71a226`

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