PDF malware analysis — malicious · 2e4d855589e59e59

MALICIOUS

PDF

73.7 KB Created: 2020-12-17 19:12:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15

MD5: 2276b151a62a0313ea15dea00453f359 SHA-1: bd37f1876733744ef0c378c44be3265ebe0190d2 SHA-256: 2e4d855589e59e5969f4efb23bd29f5e514d2e1efed0d29eae502ce7af1ae4c1

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains an embedded URL pointing to 'trafftec.ru' which is likely part of a phishing or scam campaign, disguised with terms related to luxury cars. No scripts were extracted, but the presence of an external URI and the phishing detection suggest a malicious intent to redirect users to a compromised site.

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://trafftec.ru/123?utm_term=carros+de+lujo+en+mexico PDF link annotation
- https://cdn-cms.f-static.net/uploads/4368245/normal_5f87bab2b28a5.pdfIn PDF document text
- https://dituvilabo.weebly.com/uploads/1/3/4/8/134897320/7aba1a07.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391621/normal_5f8f2f5849ca8.pdfIn PDF document text
- https://wifajeru.weebly.com/uploads/1/3/4/3/134342489/62cd80c422.pdfIn PDF document text
- https://pepigapipewoma.weebly.com/uploads/1/3/4/0/134000130/lavizarejizudo-fexisot-pefuwijar-zeluvow.pdfIn PDF document text
- https://tajedapen.weebly.com/uploads/1/3/4/3/134373213/paviwusijiz.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/mokuwanibof/compressor_limiter_cheat_sheet.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc36dccbe9b6939511ae29f/t/5fcbf15133187724c4daaeeb/1607201106862/migugoruzur.pdfIn PDF document text
- https://s3.amazonaws.com/fasanag/helium_neon_laser_diagram.pdfIn PDF document text
- https://s3.amazonaws.com/libeganot/suttree_cormac_mccarthy.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_off0000d847.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD847	5136 bytes
SHA-256: `5e5d84bf9efe5cb4efbc45874b98046b834d0663c5e9d8df9758ec81348ccf4f`
`font_01_sfnt_off0000e9ab.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE9AB	14496 bytes
SHA-256: `0dc670f78e59702fd7aa789e74037dd42ac5c44485eddba5d5168f0e947f2215`

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