Malicious PDF — malware analysis report

Static analysis result for SHA-256 e49cb4d0efced1c4…

MALICIOUS

PDF

75.6 KB Created: 2021-03-13 20:20:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 9c147665e8e7272acef17c32306f0402 SHA-1: 9b30261a940e021c02c76d3f93839d15bff04ca3 SHA-256: e49cb4d0efced1c4db02dd4d034c0848dd4bf0f4e3b32137ab2b1ea96793cdd1
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://botokaw.ru/award?keyword=canon+eos+rebel+t5+1200d+manual+pdf PDF link annotation
    • http://kotudekudoges.getenjoyment.net/40906037720.pdfIn PDF document text
    • https://cdn.sqhk.co/baluwofuk/ejdjiPS/120_fps_screen_recorder_android.pdfIn PDF document text
    • http://prizinsta.site/english_grammar_tenses_in_marathintf4l.pdfIn PDF document text
    • http://vijexibat.mywebcommunity.org/craftsman_dovetail_jig_review.pdfIn PDF document text
    • https://cdn.sqhk.co/lobinazema/jgdgjjg/62443061552.pdfIn PDF document text
    • https://cdn.sqhk.co/pajazidif/Sbhhggr/rumamanerimo.pdfIn PDF document text
    • http://miribut.mywebcommunity.org/19592503785.pdfIn PDF document text
    • https://cdn.sqhk.co/terodekijur/cdY4mDM/r_word_images_hd_wallpaper.pdfIn PDF document text
    • https://cdn.sqhk.co/niririga/jhd7whe/85359202413.pdfIn PDF document text
    • https://cdn.sqhk.co/kafexobesa/hbibeVz/invaders_from_mars_1986_review.pdfIn PDF document text
    • http://simopuvoramawu.mywebcommunity.org/dirt_devil_featherlite_bagless_upright_vacuum_belt_size.pdfIn PDF document text
    • http://tpdreport.com/what_does_structure_mean_in_english_writingrf52l.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/tidigudetefumof/msa_frp_bypass_by_texel._apk_free.pdfIn PDF document text
    • http://pisonepegosa.myartsonline.com/movuwepudimegejasevegaga.pdfIn PDF document text
    • https://s3.amazonaws.com/wiremeresegikon/decimal_fractions_worksheets_grade_8.pdfIn PDF document text
    • https://s3.amazonaws.com/rikolesafuwofar/29464229435.pdfIn PDF document text
    • https://s3.amazonaws.com/vososasoxumete/kenesatojeviwojozozuzefor.pdfIn PDF document text
    • https://s3.amazonaws.com/zabejuvijolu/japan_guide_book_amazon.pdfIn PDF document text
    • https://s3.amazonaws.com/retisovojor/lavender_blue_sheet_music_free.pdfIn PDF document text
    • https://s3.amazonaws.com/nawosineromigi/telerik_mvc_grid_group_header_template.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_off0000e965.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE965 5684 bytes
SHA-256: 9279cf561d348b2e7253738f101c371062f57bf2802651f69ad6017bf1ddce40
font_01_sfnt_off0000fca3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCA3 10672 bytes
SHA-256: 1bd7a81eb7044981348ea33f832d58550b7fc0eda1952e4a7c22dca0e4d94c77

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