Malicious PDF — malware analysis report

Static analysis result for SHA-256 df9d4eaf8c032b4f…

MALICIOUS

PDF

72.0 KB Created: 2021-03-06 21:42:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 7cc844e8a887f5289f721bb9740ec7fa SHA-1: 31e0b3c159374b33a2e0ab3e105922cbbc213932 SHA-256: df9d4eaf8c032b4f5831bc6c706ed32a402dea4344c733616132d6e615941418
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 0.9997

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://seumenha.ru/wix?keyword=free+fifa+15+coins+no+surveys PDF link annotation
    • http://orbitan.fun/reparacion_de_celulares_veracruz7cdpe.pdfIn PDF document text
    • http://laribij.scienceontheweb.net/34450770071.pdfIn PDF document text
    • http://help-bluebadgecustomer.com/fafipulvtkud.pdfIn PDF document text
    • http://choosemadam.site/kohinoor_foods_annual_reporthszmy.pdfIn PDF document text
    • http://shop50off.info/neram_album_song_free_masstamilan486qh.pdfIn PDF document text
    • http://matteset-spon.space/27918914189gd6ua.pdfIn PDF document text
    • http://oneitshop.info/the_art_of_war_2000_full_movie_putlockerswzd8w.pdfIn PDF document text
    • http://banquepopulaire-fr.org/samsung_smart_remote_pairing_not_availableqrndz.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/gopifu/free_invitation_templates_50th_birthday.pdfIn PDF document text
    • https://s3.amazonaws.com/xupimaral/stand_by_me_john_lennon_chords_acoustic.pdfIn PDF document text
    • https://s3.amazonaws.com/lezopobigeza/universal_glazing_bar_for_polycarbonate_sheets.pdfIn PDF document text
    • http://wukofov.epizy.com/verefutolazuwisuloki.pdfIn PDF document text
    • http://valavedazesosik.epizy.com/maharashtra_board_12th_biology_textbook_download.pdfIn PDF document text
    • https://s3.amazonaws.com/xovekolamoxe/biennial_report_iowa_secretary_of_state.pdfIn PDF document text
    • https://s3.amazonaws.com/rafiralexezol/jebekutojuzuxidagise.pdfIn PDF document text
    • https://s3.amazonaws.com/poresi/the_art_of_game_design_3rd_edition.pdfIn PDF document text
    • https://s3.amazonaws.com/zodawanuror/46951233567.pdfIn PDF document text
    • http://voxosejak.rf.gd/fabric_softener_sheets_keep_mice_away.pdfIn PDF document text
    • https://s3.amazonaws.com/gowupuzokowuxes/25313691319.pdfIn PDF document text
    • http://kedisijusa.onlinewebshop.net/sabefekuwafubadetalus.pdfIn PDF document text
    • https://s3.amazonaws.com/nilititonawafim/boarding_school_juliet.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_off0000defa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEFA 5136 bytes
SHA-256: 29d85e859975dd95185ec89240fe93181aedfeb2c3ac79a54a14cc28624e51f6
font_01_sfnt_off0000f09c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF09C 10020 bytes
SHA-256: 7a49b5dac76e5367925494f81981eb8934cb11c5ba6d5c3f3c7a4f1589e15a4e

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