PDF malware analysis — malicious · 925589939901f33b

MALICIOUS

PDF

74.4 KB Created: 2021-02-15 10:03:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22

MD5: 0b0117ba8563c3f8a60da96286a4b8a4 SHA-1: 201c084e68fb96d38e7c580ac23cb9409da7f95c SHA-256: 925589939901f33bfc0a50794de3b242dbc06c93f147446d0c8975fd9433968d

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware download site. The PDF structure and embedded content suggest it's part of a phishing campaign, possibly using a lure related to 'Ben 10' or similar popular themes to entice clicks.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://leonvi.ru/strik?utm_term=ben+10+generator+rex+heroes+united+code PDF link annotation
- https://cdn.sqhk.co/nedabuke/jcEOigz/fire_inc_classic_fire_station_tycoon_builder_games.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408195/normal_601fd51dad955.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411252/normal_5fd6b0ec5e375.pdfIn PDF document text
- https://cdn.sqhk.co/zotipimesaza/jifVggQ/running_fred_cheats_2020.pdfIn PDF document text
- https://cdn.sqhk.co/wojusipi/jggujc5/nikupawanujabufi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368767/normal_601fa0a2d3f5f.pdfIn PDF document text
- https://cdn.sqhk.co/zawafolor/PLIvejd/ny_company_stores.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460688/normal_6009bd0689c9b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421213/normal_6027c1fe4389b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4461484/normal_601be4560de2d.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/fefurorobumi/1618240491.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_off0000e340.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE340	5480 bytes
SHA-256: `23daf2a72eb15ac92a1b24750de6e837dbe42c0bb40ac938a1a5a655379a5f9e`
`font_01_sfnt_off0000f5ed.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF5ED	12024 bytes
SHA-256: `3f24d2efd634fb9d5773db6d25869fed34a184303a2e6764a0152f97e0a3beec`

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