PDF malware analysis — malicious · 1a4941c368ca9b96

MALICIOUS

PDF

66.9 KB Created: 2020-11-30 05:49:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: ad189c2cc57c5ddac13173d3bdc3a396 SHA-1: 98c75925490f9f4e1c9de14b23364b4b4323937e SHA-256: 1a4941c368ca9b96a42d915177babab1f4f1179a52158bd3b8fe4e351490c4a3

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://traffking.ru/123?utm_term=best+breakfast+sandwich+maker+recipes+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4471475/normal_5faf428f58151.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446642/normal_5fbf993c81ff6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371003/normal_5f8ea9ba7cc2d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446759/normal_5fc3d82645f28.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369631/normal_5f8942b2e31ff.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407084/normal_5fc3b0a0e6bf4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453098/normal_5fb26544cef8f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485001/normal_5fbc10e9a7a4b.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/rogugagatuf/57571584663.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7b37e00c-32ac-4c2a-b653-cc9d9be3dda1/no._57_stone.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/59761295-6682-4bcb-aab2-f0f741e2819d/taxezeliboruf.pdfIn PDF document text
- https://s3.amazonaws.com/kulinisokakewi/forensic_science_for_kids_worksheets.pdfIn PDF document text
- https://s3.amazonaws.com/kakekojezutok/samsung_galaxy_watch_lte_manual.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_off0000c683.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC683	5708 bytes
SHA-256: `d4e25807119cbdfc9d4482d645b74296a676ae31f04477113318aab5072152b0`
`font_01_sfnt_off0000d9dd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD9DD	10752 bytes
SHA-256: `99cb3f05082b7e02219c24111f9c1c9e95258b5d1770b8eb38ed6172d6b021fa`

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