Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f0eec66c745e307…

MALICIOUS

PDF

77.3 KB Created: 2021-02-22 00:31:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: b8440ff5519d16c42626d6c905c90f73 SHA-1: 9ae86cd34efed4e6267389cf7b83a8dd90ffdcb4 SHA-256: 7f0eec66c745e3077c3fd37f75f300d3527669aa1190a5fd130b078e5fd7b135
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://maypoin.ru/strik?utm_term=descriptive+writing+examples+for+grade+4 PDF link annotation
    • http://consumer-data-protection-bureau.com/hockey_games_pc_download5pue0.pdfIn PDF document text
    • https://cdn.sqhk.co/wexopaxine/6NjfKBo/spiral_staircase_outdoor_kit.pdfIn PDF document text
    • http://golipodib.22web.org/diabetic_smoothie_recipes.pdfIn PDF document text
    • http://nextauto02.ru/rhyming_words_worksheets_for_grade_2ywqwp.pdfIn PDF document text
    • http://center-san.ru/sitatedakakedesotabp1ka.pdfIn PDF document text
    • https://cdn.sqhk.co/tazifawixax/bLmsVeO/stream_live_tv_on_roku.pdfIn PDF document text
    • http://francobusiness.com/eighth_notes_drum_sheet_music9sib7.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/faduxodiwo/1532496174.pdfIn PDF document text
    • https://s3.amazonaws.com/davubewu/13674569596.pdfIn PDF document text
    • http://zaniwemikadas.rf.gd/35486032145.pdfIn PDF document text
    • https://s3.amazonaws.com/vedexajawo/26115742984.pdfIn PDF document text
    • https://s3.amazonaws.com/lebaxa/98612662.pdfIn PDF document text
    • http://giduzorim.epizy.com/jokaromikevajegavi.pdfIn PDF document text
    • http://jatuxijor.epizy.com/kovanupex.pdfIn PDF document text
    • https://s3.amazonaws.com/limewub/hurley_board_shorts_size_guide.pdfIn PDF document text
    • http://fibubaxuvuvixik.epizy.com/format_sd_card_disk_is_write_protected.pdfIn PDF document text
    • http://surifuj.rf.gd/bujixejesomafilon.pdfIn PDF document text
    • http://pozijirume.rf.gd/4482301905.pdfIn PDF document text
    • http://lasemiduje.rf.gd/powerdirector_14_crack_ita.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e2ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2AD 5572 bytes
SHA-256: e7063b3671ee752b785a01dd92f398f961764d16e2726e21dd7b671a312ebd04
font_01_sfnt_off0000f5a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF5A0 10632 bytes
SHA-256: 0e828f3cdddd73b03a181d610c036caf32b81c729233168e1b663eaddbdb200c
font_02_sfnt_off000119c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x119C6 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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