PDF malware analysis — malicious · 3852eb48787a9586

MALICIOUS

PDF

82.3 KB Created: 2021-05-19 13:12:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21

MD5: 43efa1cb67444a06868c0f020efaab36 SHA-1: f538ca3f583a97d4c6157430bdd033603d6d28cd SHA-256: 3852eb48787a95866dbfdba4282d3d69d310c97fe648b911d6202730950fb00a

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URI pointing to a suspicious domain, identified by heuristics and a machine learning classifier as malicious. ClamAV also detected it as a phishing trojan. The presence of this URL suggests the document's primary purpose is to redirect users to a phishing site, likely delivered via spearphishing.

Machine Learning

Nyx PDF Classifier malicious score 0.9990

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://zajinet.ru/strik?utm_term=elodie+yung+film+dan+acara+tv PDF link annotation
- https://cdn-cms.f-static.net/uploads/4471988/normal_6029dd6f17174.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490244/normal_605cc7374146a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460950/normal_604868f941a01.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375203/normal_5fd3b4472aca7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421360/normal_5fec11249cd54.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451752/normal_5ffb62f4808d5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467017/normal_60481c1481f5d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4405904/normal_5ff9af79bdd5d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470028/normal_6035f49a29e12.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464861/normal_603d124d418d3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450516/normal_6058e4e344fd5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4390051/normal_5ff51ee264a2f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403683/normal_5fe661c755329.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480897/normal_5feccfd66d9ea.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388160/normal_6042e6dca9d06.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480889/normal_606c20f423b49.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485014/normal_6046b358cbe3d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/7b4b0b50-3aac-465c-970d-d169458fb944/best_rated_5500_watt_generator.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f41fb7c1-ad7b-49ff-b6a8-2de84b14dcbe/gigamareko.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e655d941-e39e-4e1f-86d8-44a13dff68cd/permaculture_principles_and_pathways_beyond_sustainability_revised_edition.pdfIn PDF document text
- https://s3.amazonaws.com/petubapizo/47075885712.pdfIn PDF document text
- https://s3.amazonaws.com/pezofut/what_is_mythology_class.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5ef6865e-44ae-48b6-b53b-79ebaef8cd73/que_es_ceirse_los_lomos_en_la_biblia.pdfIn PDF document text
- https://s3.amazonaws.com/xamapebonijos/tixegowofu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/66c2326f-1a74-4278-8390-910f426ede04/librecad_download_linux.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000f568.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF568	5164 bytes
SHA-256: `71f0c393539a11203d7acfb6ac24ff12d9800f17a3978c1204f0637a3d5c4fad`
`font_01_sfnt_off000106f3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x106F3	10932 bytes
SHA-256: `56a0c12694a039c28cd9357a588a27a75fa0922b83b36aed13495878303bf5f0`
`font_02_sfnt_off00012b4d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12B4D	4324 bytes
SHA-256: `1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361`

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