Malicious PDF — malware analysis report

Static analysis result for SHA-256 956fd87ef15a67e5…

MALICIOUS

PDF

73.4 KB Created: 2021-03-27 11:33:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23
MD5: d81ac9f326fe18f9d778b89b120f9eda SHA-1: 26c3afabcaaf3be6034c797f840ef0ed0ef4edde SHA-256: 956fd87ef15a67e5a623571d13029f6d7b188451a87cb2922e54daf230c049e7
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains embedded URLs pointing to suspicious domains, suggesting it's designed to redirect users to phishing or malware distribution sites. The document body, though heavily obfuscated, contains text related to 'American pie series movies free', which is likely a lure to entice users to click the malicious links.

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://dugedepap.ru/123?utm_term=american+pie+series+movies+free PDF link annotation
    • http://lozhobelir.space/edge_lighting_s20_ultraxmt6v.pdfIn PDF document text
    • http://ewwe.space/adjprog_epson_l120_freel7dvl.pdfIn PDF document text
    • https://cdn.sqhk.co/kubepugemaki/zBjjMUS/download_game_larva_heroes_lavengers_2018_mod_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/kegetaxob/5xDrpgj/naxakibazepevitebopenu.pdfIn PDF document text
    • http://fopasezexelori.iblogger.org/rimaf.pdfIn PDF document text
    • http://instasale.company/happy_birthday_ukulele_notes_easyu6mz8.pdfIn PDF document text
    • https://cdn.sqhk.co/tazurusubiz/vTqlija/mijuwirirajunikaxadikug.pdfIn PDF document text
    • https://cdn.sqhk.co/xubewarow/omja8gd/car_parking_multiplayer_download.pdfIn PDF document text
    • http://henrysavbr.site/17396440200c52do.pdfIn PDF document text
    • http://classkaod.ru/public_finance_regulations_tanzaniawr39f.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/pogolo/75661227721.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/be06d0e4-bd5f-4228-a9e9-1ce716259f07/fituwusowonokavo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ca6c0e4c-cd6c-468b-a8f5-71c4d00de687/93481959481.pdfIn PDF document text
    • https://s3.amazonaws.com/fovezewi/tpcastt_poetry_analysis_worksheet_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/farowug/types_of_probabilistic_models_in_machine_learning.pdfIn PDF document text
    • https://s3.amazonaws.com/dukavunivifa/dubiseroguxuzafanulalugaf.pdfIn PDF document text
    • http://kupupejewix.epizy.com/59045234390.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e8285d2c-c4dc-4b6e-b95a-641b6a991be0/how_to_reset_toshiba_regza_tv_without_remote.pdfIn PDF document text
    • http://firumod.epizy.com/negamusekojodi.pdfIn PDF document text
    • http://lugimes.epizy.com/2004_yamaha_banshee_service_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/23c10819-ec8b-4f05-b149-2a0540aa9aa6/do_nj_transit_buses_take_cash.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_off0000e234.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE234 5180 bytes
SHA-256: bf1451cb894628c23ca865407c8e720eb312feb8fa629300be558f42afc8b609
font_01_sfnt_off0000f3c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3C1 10784 bytes
SHA-256: db6737b1eeba4c25db3f2ea2cf05150e8277f04bd0bb215915695d26b5314fbc

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