PDF malware analysis — malicious · 2e22af2dd606a97f

MALICIOUS

PDF

118.7 KB Created: 2020-11-20 10:11:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31

MD5: d2f6478dfc84ec66e43793e2fed6dd1b SHA-1: b457fb8d73bf20c166921f1e6ba3cc5fa10977fc SHA-256: 2e22af2dd606a97fe3001f40a7feaf1527c66d864be65f39e711a510d15df030

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, which is a common tactic for phishing or malware distribution. The PDF structure itself does not contain readable content, but the presence of external links and the overall detection suggest it's part of a phishing campaign.

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/aws?utm_term=publication+15-+b+2017+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4367646/normal_5fb5a43e9f892.pdfIn PDF document text
- https://jowamevo.weebly.com/uploads/1/3/4/5/134511132/lemipigib_padafone_vukilos_kitegevebume.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368731/normal_5f8a014c8fea8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382418/normal_5f8e2392bda0a.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/68aa2886-9063-41c3-afc2-3bca82e1fe67/tisatawowiwasujumigipeg.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/42340825-7e54-446f-be27-948273e5f3ec/17944214189.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b7740feb-b7e2-4d99-a614-258e6f395359/koxobuzutakako.pdfIn PDF document text
- https://s3.amazonaws.com/biwubeleba/6237568747.pdfIn PDF document text
- https://s3.amazonaws.com/memul/19351534696.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/83db78e6-554e-46d0-b81e-7fbcd08e37e7/xojabug.pdfIn PDF document text
- https://s3.amazonaws.com/lixisariwulo/nijagalan.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_off00019365.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x19365	5576 bytes
SHA-256: `f894743725c2c67a3c89bbcea6c0382f244cae758d454d5d63653be73acaa93c`
`font_01_sfnt_off0001a68c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1A68C	11692 bytes
SHA-256: `0c56d99864e46b7b43088a3e1facdb495bb6fa1595b52200194a8bdcecb67158`

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