Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3d6d43aae6ebd3a…

MALICIOUS

PDF

74.2 KB Created: 2021-03-31 08:26:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: a8909007ec65f399eb397bdc3afe0d17 SHA-1: 7d52eb6e794afd9cd81bcc96651a058698ed338b SHA-256: f3d6d43aae6ebd3a56f9252e14ea508ea48432f6aa07ac4285ef1fd1f5c8a3ac
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 0.9998

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://jacksth.ru/wix?keyword=blueant+bluetooth+q2+manual PDF link annotation
    • http://idealica-columbia.site/gogelg77b5.pdfIn PDF document text
    • http://copytoshka.ru/38524913240vqsjm.pdfIn PDF document text
    • http://mulawejotili.iblogger.org/anaphylactic_shock_management.pdfIn PDF document text
    • http://alania365.ru/rent_sheet_music64kux.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4404740/normal_60062fe2e151b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375200/normal_6022296095eb1.pdfIn PDF document text
    • http://justamorem.com/15632574666vllgv.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387919/normal_6037ef16e4671.pdfIn PDF document text
    • http://maska-respirator.com/92008155841gvy4a.pdfIn PDF document text
    • http://videohost.space/79628571582equ0u.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://dujisuga.epizy.com/8445172154.pdfIn PDF document text
    • https://s3.amazonaws.com/fonazuzixagizir/joyce_meyer_battlefield_of_the_mind_ebooks_free_download_novels.pdfIn PDF document text
    • https://s3.amazonaws.com/sobaketemu/grim_dawn_forgotten_gods_quest_guide.pdfIn PDF document text
    • http://dajejat.rf.gd/sebaluwiporugijeme.pdfIn PDF document text
    • https://s3.amazonaws.com/bezutu/fuwetunoxigewuz.pdfIn PDF document text
    • https://s3.amazonaws.com/tobito/android_phone_picture_recovery.pdfIn PDF document text
    • https://s3.amazonaws.com/jutenojamega/free_video_anji_bidadari_tak_bersayap.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_off0000e4ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4AD 5096 bytes
SHA-256: 9b9b80df27cddbd3d53ed0081ce76dc5f13a10e46a6d13f7813a4a20972fc89f
font_01_sfnt_off0000f5e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF5E4 11452 bytes
SHA-256: b27392c3d7ab9b26a7207444170b3c9f09493866d12d88afbd78cd76d08d2861