Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d2dcae86eb4d5ec…

MALICIOUS

PDF

80.3 KB Created: 2021-04-05 07:23:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 2f3300e7f77094cab9522ecb61ea5625 SHA-1: 5218d41e5c202cf18640c07d189340bdd970a6d9 SHA-256: 2d2dcae86eb4d5ec462d1861bf10c594788eaeb09b96f4e7872612cc54982f58
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://pelibifir.ru/strik?utm_term=what+does+beer+belly+mean+in+spanish PDF link annotation
    • http://vladport.ru/xbox_360_controller_for_pc_keeps_disconnectingdzwpe.pdfIn PDF document text
    • http://oficialshoes.site/1540265695556tzo.pdfIn PDF document text
    • http://alexandreablog.com/game_my_talking_angela_cheat_apko4eja.pdfIn PDF document text
    • http://sesotilenavufe.iblogger.org/ecological_pyramid_and_its_types.pdfIn PDF document text
    • http://copyrightsupportforlnstagram.com/printable_map_of_the_world_with_countries_labeledw77r5.pdfIn PDF document text
    • http://alcexpress1.xyz/50227832079c7kd0.pdfIn PDF document text
    • https://wesuzijuto.weebly.com/uploads/1/3/0/7/130740493/jujitikodibiga-tukowip-kunofivi.pdfIn PDF document text
    • https://murufafutebe.weebly.com/uploads/1/3/4/4/134473477/zalub_vezezakewefob_tirito.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pekiluji.atwebpages.com/bolasuvivepapamoka.pdfIn PDF document text
    • http://zedumupa.rf.gd/jijudukumunafugasuzukutu.pdfIn PDF document text
    • http://jatujij.rf.gd/vagag.pdfIn PDF document text
    • https://s3.amazonaws.com/zukogi/ccma_dispute_referral_forms.pdfIn PDF document text
    • https://s3.amazonaws.com/xakajoziwibi/criminal_justice_reform_jobs_near_me.pdfIn PDF document text
    • http://linakagiwabofa.epizy.com/quimica_inorganica_livro.pdfIn PDF document text
    • https://s3.amazonaws.com/leteraxewe/35337062.pdfIn PDF document text
    • https://s3.amazonaws.com/dekogamik/26709909931.pdfIn PDF document text
    • http://supuwevul.atwebpages.com/70215240952.pdfIn PDF document text
    • https://s3.amazonaws.com/wulagisi/vemekopilovujad.pdfIn PDF document text
    • http://guwaxilajoxeza.onlinewebshop.net/4317816314.pdfIn PDF document text
    • http://sivigowukom.epizy.com/car_engine_parts_drawings_with_dimensions.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dfc7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFC7 5456 bytes
SHA-256: 8b14ebf8d97f31af293caa9a3b9970ba64456652c0b5d25a4ff57baa6b84d48f
font_01_sfnt_off0000f230.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF230 12036 bytes
SHA-256: d5e0421046db0d8375f63ff83e3da151851d4590fbe5f06b81bc777c63e2e06e
font_02_sfnt_off00011a26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A26 17300 bytes
SHA-256: 2904b173202eb3bb575c4d1b6cef7b612b83b0684b78e838810643ac9c3b2a2a

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