PDF malware analysis — malicious · f22da3890f890dbb

MALICIOUS

PDF

70.1 KB Created: 2020-12-02 19:17:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 9670c3a18e3b3950c275e066686ae22f SHA-1: 965c22adc4f4eaf868c975b4f0f598a9bde6280a SHA-256: f22da3890f890dbb5b536b021c120c674a4f898090c417d8f37c21bfa15e1f84

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 0.9991

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://trafficel.ru/123?utm_term=blue+spring+ride+season+2+trailer PDF link annotation
- https://cdn-cms.f-static.net/uploads/4365602/normal_5fb8103040be5.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/dazutun/laduja.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8c514152-ba6b-4f1a-a52b-ad741583d8f7/sky_factory_1_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/33701d8f-12d2-46d0-8857-c087e8488077/dowobij.pdfIn PDF document text
- https://s3.amazonaws.com/jivuxo/73573690205.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ccabf213-d352-4309-bd9f-655be770e5f5/viratixedaxomiguvabe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cf8c74e8-7955-45d3-bbfa-9f4f5718025c/sa_border_war_operations.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c3297af8-c293-43c4-b7e8-7fb9fab4c777/installer_map_trackmania_stadium.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc681d1104edf1d77a7ddee/t/5fc6d84ce2dcb1274ddcec4c/1606867022046/62117448776.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a9ebb259-8692-4618-8463-48703c25f5bf/project_x_gallery_unlock.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_off0000d6d5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD6D5	5308 bytes
SHA-256: `6a631a399cc99aeff3f9952e62cdbf482f00794fc67538262adb35e9d4711856`
`font_01_sfnt_off0000e8f0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE8F0	10272 bytes
SHA-256: `e2e846db186bed4ddaa23f965abe28c68a232051ac3ccdbadeebe6beed373e28`

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