Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdae19b782f583cf…

MALICIOUS

PDF

79.3 KB Created: 2021-04-29 05:40:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: bc65399c1821f89968a2083a7b3aa68a SHA-1: c04441ce1b19f0b158d0254a6327354ada90a2f3 SHA-256: fdae19b782f583cf8a0292ef546f23bbe564f8471e99c22785dda80137d63f8a
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-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://zajinet.ru/strik?utm_term=red+dead+redemption+trophy+list PDF link annotation
    • http://wugipesirexoxof.mygamesonline.org/3092997576.pdfIn PDF document text
    • http://strapslap.online/what_is_raven_mean_in_spanish8qwg5.pdfIn PDF document text
    • http://cmbespaceclient.xyz/how_to_apply_oracal_651_without_bubblesyzt4r.pdfIn PDF document text
    • http://fixmarker.fun/dark_souls_3_best_character_build_for_beginners9iqap.pdfIn PDF document text
    • http://itash.space/682631039394lnd6.pdfIn PDF document text
    • http://xolokukifimiv.sportsontheweb.net/automation_testing_tools.pdfIn PDF document text
    • http://greatmasters.biz/nibazigitaveved6cfr0.pdfIn PDF document text
    • http://itwomen.space/rinnai_vent_kit_installationa6vrc.pdfIn PDF document text
    • http://suzamajotibe.mywebcommunity.org/financial_modelling_excel_course_london.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/silubebebefuju/80743596393.pdfIn PDF document text
    • https://s3.amazonaws.com/liguwubore/juzofozemo.pdfIn PDF document text
    • https://s3.amazonaws.com/xiwevitox/photo_editor_apk_for_android_2._1.pdfIn PDF document text
    • https://s3.amazonaws.com/metubevozisul/distintas_formas_de_usar_chalinas.pdfIn PDF document text
    • https://s3.amazonaws.com/zesixefe/beintehaa_serial_title_song_video.pdfIn PDF document text
    • http://vegubom.atwebpages.com/domozobukenonugo.pdfIn PDF document text
    • https://s3.amazonaws.com/biwuwukesazef/lagu_daerah_bungong_jeumpa_dari_aceh.pdfIn PDF document text
    • https://s3.amazonaws.com/povodijirig/xezopelowibazob.pdfIn PDF document text
    • http://saxodanokijaj.atwebpages.com/how_much_does_a_airstream_trailer_cost.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_off0000f7b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7B9 5308 bytes
SHA-256: 875c523e9b2bd4942598a9c82e95501022ceb995c45a41998777013f4d61e287
font_01_sfnt_off000109a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109A6 11348 bytes
SHA-256: ca506c62625e36c651bbbd44d439a68518bd5941c660afb741ca9f9087d1dafe

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