PDF malware analysis — malicious · 32b971da1d2149cd

MALICIOUS

PDF

76.9 KB Created: 2020-12-24 12:30:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15

MD5: 01e8228ca8540cc51c78eba60a315e03 SHA-1: 949ae642bf1990de9f9ceddb7c9e48445825a449 SHA-256: 32b971da1d2149cd1be792aed40c1d6c3a83896a393b79ece427f9b11447b95a

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains embedded URIs, with one pointing to 'traffset.ru', suggesting a phishing or credential harvesting attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a phishing lure, likely delivered via spearphishing attachment.

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://traffset.ru/strik?utm_term=restaurant+tycoon+cooking+game+mod PDF link annotation
- https://cdn.sqhk.co/vogidasobe/ijii7Xf/emperor_and_beauties_game_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/zolaxadivowe/yCbgjgf/gelebiwuminuti.pdfIn PDF document text
- https://cdn.sqhk.co/wixadigizal/hdjeZhg/37857884494.pdfIn PDF document text
- https://cdn.sqhk.co/suwezuzifu/jdihrgj/carriage_kia_in_gainesville.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/zodawanuror/come_out_of_hiding_sheet_music.pdfIn PDF document text
- https://s3.amazonaws.com/gazitif/zedogewapovevofe.pdfIn PDF document text
- https://s3.amazonaws.com/vedexajawo/vufexojugawozabulawako.pdfIn PDF document text
- https://s3.amazonaws.com/setigafat/20348050657.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aefee7cc-091e-4299-924f-e45e069782f0/best_greatsword_combo_mhw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0adc8eca-c90c-43a4-94a6-913efe652e4c/describe_why_the_results_in_tube_1_and_tube_2_are_the_same.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_off0000f08d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF08D	5400 bytes
SHA-256: `7d8d027211c6a355ed6c9722b708c3701c00a73c4744229bc4460550b2f0910a`
`font_01_sfnt_off000102e7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x102E7	10652 bytes
SHA-256: `b1790caed361db40fc6f8f7a24cff52dbc56066fec2ff659dfb1efa475c29295`

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