PDF malware analysis — malicious · b7077d32e6f34bd4

MALICIOUS

PDF

58.9 KB Created: 2020-11-24 04:08:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15

MD5: abf802a9f3986b75ac86438e7edb6646 SHA-1: 3d62ada7326870c82139f3a68c3628ca8ba444f6 SHA-256: b7077d32e6f34bd4f27f8c99179bc3b1b498cda03b4ef4abe0189cad0cafab8b

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ML classifiers and ClamAV, with a high risk score. It contains an embedded URI pointing to 'traffset.ru', which is likely a phishing or malware distribution domain. The PDF structure and embedded content suggest an attempt to trick the user into visiting this URL.

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://traffset.ru/strik?utm_term=fundamentals+of+vibrations+meirovitc PDF link annotation
- https://gawakugoful.weebly.com/uploads/1/3/4/7/134757428/lezufusamijure.pdfIn PDF document text
- https://dojumavuj.weebly.com/uploads/1/3/3/9/133997280/zogelis.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447450/normal_5f9f1bf9cb069.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/57be3ae4-83bf-4702-88a0-d85098644bf8/leon_dufour_english.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/50add5ee-68fa-4f37-a386-042e6572de2b/conservation__la_glycrine.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09160276-125b-4b38-8c4d-02ba3c1c3f4d/holmes_space_heater_user_manual.pdfIn PDF document text
- https://s3.amazonaws.com/fuwawibu/15517313210.pdfIn PDF document text
- https://s3.amazonaws.com/xezujuxoz/93040473890.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0ad1c8e0-c236-41bb-a68a-684be336f1fe/15388589192.pdfIn PDF document text
- https://s3.amazonaws.com/tuxutedi/zelogunenisuji.pdfIn PDF document text
- https://s3.amazonaws.com/divikufifir/96690991000.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_off0000ad15.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAD15	5324 bytes
SHA-256: `163cf05f91a2653873b7edc2190baa7896ca292b7223bee28e483ff86208555d`
`font_01_sfnt_off0000bf23.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBF23	9752 bytes
SHA-256: `62383ab7393c913cb5ee8061dd40e876cbeb3619f0e577386965400b2c135938`

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