Malicious PDF — malware analysis report

Static analysis result for SHA-256 6582fa0dc298956c…

MALICIOUS

PDF

71.8 KB Created: 2021-01-17 10:40:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07
MD5: db73763ef997bb37663a5744e5f14a4a SHA-1: 1d3555673aef38e967f6baf9096362a566c69620 SHA-256: 6582fa0dc298956c2f28c9fc6d7cba97495e4ecc520f29fe679f9f941ac6340c
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The embedded URL points to a suspicious domain, and the document body contains a lure related to watching movies online, which is a common tactic for phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://traffine.ru/123?utm_term=avengers+watch+online+free+dailymotion PDF link annotation
    • https://junoxavod.weebly.com/uploads/1/3/1/3/131384771/lusinevu_gisiw.pdfIn PDF document text
    • https://dobidikomopal.weebly.com/uploads/1/3/5/3/135302797/figaduwenezox_jasasafewimi_fipuvitoxutaras_fuwarujuguxofep.pdfIn PDF document text
    • https://site-1197344.mozfiles.com/files/1197344/93754697658.pdfIn PDF document text
    • https://varalege.weebly.com/uploads/1/3/0/7/130738576/5223051.pdfIn PDF document text
    • https://site-1254223.mozfiles.com/files/1254223/faxajowas.pdfIn PDF document text
    • https://site-1178548.mozfiles.com/files/1178548/3053189479.pdfIn PDF document text
    • https://site-1194964.mozfiles.com/files/1194964/compliance_policy_guide_400__400.pdfIn PDF document text
    • https://site-1177476.mozfiles.com/files/1177476/63674753335.pdfIn PDF document text
    • http://fofafik.iblogger.org/dijarojovaliwowuduvit.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/timeziso/kingdom_come_deliverance_combat_guide_pc.pdfIn PDF document text
    • http://ronodinagidos.rf.gd/management_representation_letter_format_for_statutory_audit.pdfIn PDF document text
    • https://s3.amazonaws.com/gujutavevive/vimonof.pdfIn PDF document text
    • https://s3.amazonaws.com/mukut/ninja_mega_kitchen_system_1500_review.pdfIn PDF document text
    • http://tesoxukezeziles.epizy.com/34353796224.pdfIn PDF document text
    • http://malinaliwul.epizy.com/mathematics_for_machine_learning.pdfIn PDF document text
    • http://derekage.epizy.com/vlsm_calculator_free.pdfIn PDF document text
    • http://porininiji.epizy.com/fufiwisanizibosesamezat.pdfIn PDF document text
    • https://s3.amazonaws.com/bokelur/1531028453.pdfIn PDF document text
    • http://lekazukexofa.rf.gd/galvanic_cell_and_electrolytic_cell_lab_report.pdfIn PDF document text
    • http://laboluvimaniraf.epizy.com/18509114482.pdfIn PDF document text
    • http://lidesesepaz.rf.gd/bapizemanopusolazuzuvajel.pdfIn PDF document text
    • http://tifijawubizomed.epizy.com/97877471734.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_off0000db66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB66 5676 bytes
SHA-256: a55fc83f0cf6ef02250d1c888756841aa92fc3c18d886c4aff382a85465e85e4
font_01_sfnt_off0000eeb0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEB0 10320 bytes
SHA-256: 2d5752e789c8b5d17c5faf7adbd487d7c48b834bd88841053bcc580a1e3eb2e9

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