Malicious PDF — malware analysis report

Static analysis result for SHA-256 91602d3254ffcd52…

MALICIOUS

PDF

80.9 KB Created: 2021-04-20 03:16:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: 799dd0e5c98a2115f28252dbb94263e1 SHA-1: 3375d32639509bdabbbc56f7f19f19ff6e27b703 SHA-256: 91602d3254ffcd5299fb92fef9bf92d13887bfe3d3eff8279d9a8ba5d8cf2864
96 Risk Score

Malware Insights

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

The PDF file contains a lure related to printer setup, directing the user to a suspicious URL. ML and ClamAV classifiers strongly indicate maliciousness. The embedded URL is the primary indicator of a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://mezovuduw.ru/strik?utm_term=how+to+connect+canon+printer+mg3520+to+wifi PDF link annotation
    • http://porupofimumole.22web.org/6685921710.pdfIn PDF document text
    • http://milafikolume.iblogger.org/39140825554.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://veduredetud.epizy.com/atmega32a_datasheet.pdfIn PDF document text
    • https://s3.amazonaws.com/gopifu/r12_to_r134_conversion_oil.pdfIn PDF document text
    • http://pavasokunise.epizy.com/beamng_drive_apk_android_oyun_club.pdfIn PDF document text
    • http://xujiwusa.epizy.com/watchmen_comic_descargar.pdfIn PDF document text
    • https://s3.amazonaws.com/bajapovogam/2996820498.pdfIn PDF document text
    • http://mirovexul.rf.gd/a_night_to_remember_download.pdfIn PDF document text
    • http://notadagas.rf.gd/nancy_drew_and_the_hidden_staircase_full_movie_watch_online.pdfIn PDF document text
    • https://s3.amazonaws.com/leteraxewe/java_1._7_jdk_32_bit.pdfIn PDF document text
    • https://s3.amazonaws.com/baxekojojexusol/80823490932.pdfIn PDF document text
    • http://zalaxorenisev.epizy.com/information_technology_report_comments.pdfIn PDF document text
    • https://s3.amazonaws.com/xisakazelelinim/information_technology_board_report_template.pdfIn PDF document text
    • https://s3.amazonaws.com/fobupojowojon/sketchup_software_free_download_for_windows_7_with_crack.pdfIn PDF document text
    • https://s3.amazonaws.com/defujo/55240819187.pdfIn PDF document text
    • http://vonizevugopu.rf.gd/iifa_awards_2019_free.pdfIn PDF document text
    • https://s3.amazonaws.com/nefagolom/51687955703.pdfIn PDF document text
    • http://besinaxot.epizy.com/wusajatiwuwosinewujowope.pdfIn PDF document text
    • https://s3.amazonaws.com/xamibebulosaxug/what_am_i_riddle_answers_5.pdfIn PDF document text
    • https://s3.amazonaws.com/savukojubusum/iso_9001_definition_wikipedia.pdfIn PDF document text
    • http://dizojid.rf.gd/71576372311.pdfIn PDF document text
    • https://s3.amazonaws.com/taturi/bottinelli_informatica_sas.pdfIn PDF document text
    • https://s3.amazonaws.com/bevarolimesale/aashiqui_2_movie_filmyzilla.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_off0000fae9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAE9 5740 bytes
SHA-256: 2f27a4873e80baf22787ee4aa0e6204be841d1ac6f85e093e89b2d7f942f1e16
font_01_sfnt_off00010e82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E82 11596 bytes
SHA-256: ddef864f69575c25d5947359adda68d6daa06bb3b9771ecbc4469d04df87840e

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