PDF malware analysis — malicious · 724188d3dbef2301

MALICIOUS

PDF

78.4 KB Created: 2020-12-27 13:59:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 264403ab843254a10809ecef0a37cee3 SHA-1: 313a294f53081c482c00ef58c5567e08c884a42d SHA-256: 724188d3dbef23014babe786d82a49a309d1326f09c9de67aa3480127ca08d8e

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing attempt. It contains an embedded URL pointing to a suspicious domain, likely intended to redirect the user to a malicious site. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to exploit vulnerabilities or trick the user into visiting a harmful resource.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

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=drive+in+theatre+dallas+tx PDF link annotation
- https://cdn.sqhk.co/kafekata/mibMtjj/rocket_car_ball_mod_apk_an1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368758/normal_5f8cf3025668b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372719/normal_5fda048fbbda7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447270/normal_5fdda15c4d7e3.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/tixeligufokup/audacity_like_app_for_android.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/34e9e55c-2042-4fa7-b5ba-e82b3a925cff/9633425791.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4dd20e16-bb5b-462c-b0f4-a2383f257e0c/84397112943.pdfIn PDF document text
- https://s3.amazonaws.com/jefazaxal/vagorepefezofite.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f58e6659-ffa2-4bed-86ef-a4734f7acb8d/t_shirt_order_form_template.pdfIn PDF document text
- https://s3.amazonaws.com/vixuwogetiv/51770314351.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_off0000f7c6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF7C6	5040 bytes
SHA-256: `5a04e38e0ff7c91e8fc088146d57fe52432889ae3863ccc61409cd2e6d5a4fc7`
`font_01_sfnt_off000108f2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x108F2	10672 bytes
SHA-256: `17fff0953f7b7f57fd5eecbf5e0d1f5a3b8cbb5498e1cd75ccf9f5f34d186996`

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