Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d501104c3a22eb0…

MALICIOUS

PDF

69.0 KB Created: 2021-01-01 00:40:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 458cffebc3d7e55be9e37fdadbfc3217 SHA-1: c279ecd2bfb223eb44b43d8d38fc99a21cbf849a SHA-256: 0d501104c3a22eb06d94e685940c69dbfe4c2e8292e170ffb3826d59994962b5
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://traffine.ru/123?utm_term=d%2526d+fiendish+codex+ii+tyrants+of+the+nine+hells+pdf PDF link annotation
    • https://cdn.sqhk.co/vopufepivipe/SDjcTQ8/37465024754.pdfIn PDF document text
    • https://cdn.sqhk.co/jofutagi/Rjbjgjd/tufegavawosarafaviwovigub.pdfIn PDF document text
    • https://cdn.sqhk.co/fexejikexew/jMgheHQ/mogetogiruri.pdfIn PDF document text
    • https://cdn.sqhk.co/ribegibonot/LhfmAXt/halloween_party_invitation_maker.pdfIn PDF document text
    • https://cdn.sqhk.co/kagurase/2cpgcdD/penguin_running_towards_mountains.pdfIn PDF document text
    • https://cdn.sqhk.co/pimidima/ahcTyja/nuzilidosefukusekonor.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/5eeaf130-5972-431f-9254-774d0f40c5a2/tenomobevakiko.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cde41e47-96f3-4d88-aa12-8ca0569975f3/mi424wr_gen2_firmware.pdfIn PDF document text
    • https://s3.amazonaws.com/pilazi/65508985136.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4a656992-094b-4dcc-bac8-300de5cc5d02/81831521873.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d2273869-cc7e-4fa9-9855-36d389d2d012/delta_table_saw_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ee2c4947-4f60-49b4-9830-4270c0407773/stellaris_baldarak_revolutionary_fro.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7bdae872-c35a-48ec-8459-84351fbf7fbd/pedepopapekikikofamel.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9b103602-5b8b-4e4f-be6d-fa0c3515f15c/22364293117.pdfIn PDF document text
    • https://s3.amazonaws.com/midaguvimabof/xalat.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.

FilenameKindSourceSize
font_00_sfnt_off0000d547.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD547 4156 bytes
SHA-256: 5bcf7f318894cd8667f709bf970fa8c582a8027402ea75fdf14ac0e15260a4d2
font_01_sfnt_off0000e375.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE375 10604 bytes
SHA-256: 887e20847cddc6436633751fbac565c43da8bb3214966c88862d0589e76bf1df

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