PDF malware analysis — malicious · 3e1b0526681559b9

MALICIOUS

PDF

64.1 KB Created: 2020-11-20 17:13:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 8aedf185fc016b180b1bbeea49c81f49 SHA-1: 05ad3dc35b33d517718c799a83520e6f4cbae454 SHA-256: 3e1b0526681559b952e1c56b1a69d4f31cbaf8dbe06d3f3e50f19b175226771d

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that, when visited, appears to be a lure for a traffic warrant search. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to a phishing or malware distribution site.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

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/123?utm_term=louisiana+traffic+warrant+search PDF link annotation
- https://cdn-cms.f-static.net/uploads/4407085/normal_5faadab0de006.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/2c0f2f2c-a5c9-4f6c-a73d-7ab03b8a3140/40893228211.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/96e8d305-1f9d-497e-ae7b-5fe0cb1a9645/48615957105.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff13e38c-6558-4d7e-9b75-e332edc2c8c6/41472682111.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/10ae12b3-15fd-4f65-9a1f-5aef7b1a53ba/franszca_gramer_kitab_eki.pdfIn PDF document text
- https://s3.amazonaws.com/wexukufedepim/impact_baseball_baltimore_camp.pdfIn PDF document text
- https://s3.amazonaws.com/titugome/sfera_armilarna.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cc9587f2-0e2a-4684-84ec-7b3ce18e9a9c/xijokeli.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/10f08892-d5b5-4c43-a395-a3f14112c9aa/74666982778.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c98d7d0-ee5d-4a39-a9c7-7c373a1e0fe4/xifodarimifokubiliwuvixo.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_off0000c0d3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC0D3	4968 bytes
SHA-256: `94f3400fe9b9049ee72e91f804f4cc09b446fe5fb73c1bd740e86e30781093dd`
`font_01_sfnt_off0000d1ca.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD1CA	10256 bytes
SHA-256: `ec8790b915c968b6964fe60edc609c26a145170f810b3e50ed765061379e5467`

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