PDF malware analysis — malicious · 3cc149a8588db18f

MALICIOUS

PDF

60.7 KB Created: 2020-11-11 11:18:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11

MD5: cc9dbd2dbee08f3faf3f744f206e8c8d SHA-1: 2dab355d9301a5ddcfefd689db1411c1b96aca58 SHA-256: 3cc149a8588db18f5e28faa594651b1b72ea03bca6e96133753036760de0bf37

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, appears to be a lure related to search terms.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

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/strik?keyword=mlive+obituaries+jackson+michigan PDF link annotation
- https://cdn-cms.f-static.net/uploads/4388627/normal_5f9aa22eef011.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417535/normal_5faa4e28af3eb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427093/normal_5f9e2107bf65d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386824/normal_5f9279d985ff0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393349/normal_5f95f1fa0b50f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4394071/normal_5f90e9188e12e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382614/normal_5fa95c2bb56c4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416665/normal_5f9761ca6c18c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500438/normal_5fab700275601.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366027/normal_5f9d3658e7a19.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/remufuzu/voweb.pdfIn PDF document text
- https://s3.amazonaws.com/xokebore/34471629002.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_off0000b016.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB016	5560 bytes
SHA-256: `c3d45826b0dd7e0764208e88b2cf56528e0b17f71deb42de2abfb20e8ea6b2e4`
`font_01_sfnt_off0000c2ec.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC2EC	10392 bytes
SHA-256: `53e573994bdf4d31f2f21ae8b97e89038d0fb873db0120b0e81581950d2ca0e1`

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