PDF malware analysis — malicious · f4371635c4482a93

MALICIOUS

PDF

185.1 KB Created: 2020-12-31 18:54:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27

MD5: 99fee3c3a36d5c9ce2cc03b8a5e5e916 SHA-1: ee821e60da935013a117f18cb908a9f8549f4935 SHA-256: f4371635c4482a933ea73f45af97b80a06e68ddf32b1bf349626cb752fd9bf32

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URI pointing to a suspicious domain, likely intended to trick the user into downloading a fake simulator. ClamAV detection and ML classification strongly indicate malicious intent. The presence of multiple external URLs further supports a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9994

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://trafffe.ru/strik?utm_term=hollywood+rooftop+car+jump+stuntman+simulator+download PDF link annotation
- https://wimiberurazem.weebly.com/uploads/1/3/4/3/134351881/beedff5952da.pdfIn PDF document text
- https://cdn.sqhk.co/lizupasepafu/gghfjeM/simcity_buildit_para_pc_hack.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470692/normal_5fb5c5f87f828.pdfIn PDF document text
- https://cdn.sqhk.co/gawukale/vhae52J/43716753776.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377380/normal_5f89c16d0e6c0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421051/normal_5f9f2f305af1b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452862/normal_5fa89236cfadc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4472481/normal_5fa4b752a88c9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417423/normal_5fd33d3c0e1af.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/4dbd9d62-8547-41fc-87e8-ab5c78389bd6/dinajo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c701c4f2-7f9d-431a-9428-541f28928deb/my_android_version_6._0._1_name.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_off00029a8c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x29A8C	5532 bytes
SHA-256: `089a2d7b9f761b8019a3c33a4372ca1f4b44469f0e05d1afdfceb333e8fde0c8`
`font_01_sfnt_off0002ad60.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2AD60	12788 bytes
SHA-256: `215e20ee616c59fca577221490b867b68239e57dd171914643368a254ece1a89`

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