PDF malware analysis — malicious · 752f161782c0f633

MALICIOUS

PDF

78.6 KB Created: 2020-12-24 05:34:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: f5ed4269dd4b9311e1c042c52b296089 SHA-1: 53851282e58750acfe58d1f54c3e83c166302cd5 SHA-256: 752f161782c0f633aeb1b037d7e59ec0990da885acbfacd8cc32eff71666fb60

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 0.9997

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://trafffi.ru/strik?utm_term=photo+editor+collage+maker+pro+for+pc PDF link annotation
- https://cdn-cms.f-static.net/uploads/4455194/normal_5fac259835ae3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409801/normal_5f94fa2240a21.pdfIn PDF document text
- https://cdn.sqhk.co/wukibezoso/eidjehd/female_mannequin_skyrim_se.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427783/normal_5faab715df4dc.pdfIn PDF document text
- https://cdn.sqhk.co/mepetiruzi/jf4jiDh/rugiwekoli.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410002/normal_5fa712f32a2f6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390381/normal_5fa8f86d1d707.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/c2f0285f-4ca1-4b14-9a3f-e11fb4a6d7ac/unblocked_gun_mayhem_2_weebly.pdfIn PDF document text
- https://s3.amazonaws.com/vavapekadoliti/phn_mm_chuyn_t_sang_nh.pdfIn PDF document text
- https://s3.amazonaws.com/muvunekagok/20357854011.pdfIn PDF document text
- https://s3.amazonaws.com/sabegokek/73284608076.pdfIn PDF document text
- https://s3.amazonaws.com/zerejibixupav/adobe_pro_sign_in.pdfIn PDF document text
- https://s3.amazonaws.com/pulavokaxe/59652824760.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_off0000f377.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF377	5456 bytes
SHA-256: `308f9788707de3df073b746b5a0f4cf0651552d22f42df5a40b37be1d403fdaf`
`font_01_sfnt_off000105de.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x105DE	12448 bytes
SHA-256: `9b8007d570a2e4689354515f03ded86f876b5eeed0680120de5ed43d66ad03bb`

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