PDF malware analysis — malicious · 7ccb633320fcc7a0

MALICIOUS

PDF

102.7 KB Created: 2021-01-01 14:03:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16

MD5: f9cdcff0d3f9b2154cd3b37e59514dd8 SHA-1: 94cdd777a500f574cbdee1fe984097504a198952 SHA-256: 7ccb633320fcc7a03df60c6fcf270ffceaace5ab3492aec59ebb0ef4a04763f0

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL pointing to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, appears to contain text related to 'Talion construction ventura', suggesting a phishing lure.

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://traffset.ru/strik?utm_term=talion+construction+ventura PDF link annotation
- https://static.s123-cdn-static.com/uploads/4485580/normal_5fc6c21442586.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366358/normal_5f87461e11328.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410695/normal_5fc7c2acb965e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381988/normal_5fc1f913516e7.pdfIn PDF document text
- https://cdn.sqhk.co/fegujajox/lggKjeE/game_dev_tycoon_pirate_mode_too_hard.pdfIn PDF document text
- https://kuvobawodamelis.weebly.com/uploads/1/3/5/3/135350379/6928813.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4390385/normal_5fcbbd5f61c6c.pdfIn PDF document text
- https://cdn.sqhk.co/gasawivu/agfheii/dukeleme.pdfIn PDF document text
- https://cdn.sqhk.co/jirowolad/hgUcmSi/rusty_memory_survival_apk.pdfIn PDF document text
- https://vunisanelebori.weebly.com/uploads/1/3/3/9/133999195/kesaledamazume.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/e4c8417b-6b4f-48a9-bb54-cf440f949f9b/vizirozevafisode.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/130a9959-b743-4790-9fa6-8834cca05621/33718161169.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_off00015330.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x15330	4804 bytes
SHA-256: `b9aa7d7e05d12dc0c5d622c0381c3bae9f0a9ad72a79f2eb104d575e9fa753ed`
`font_01_sfnt_off00016395.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x16395	16196 bytes
SHA-256: `52aa673d8824e463e70ed10a7a97273cee76d4fdf4039b01fd39639108e604f8`

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