Malicious PDF — malware analysis report

Static analysis result for SHA-256 2246bd721274d3ab…

MALICIOUS

PDF

71.8 KB Created: 2021-02-09 21:18:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: b234e2568acea51277c504157cfc4e0d SHA-1: 1b96b0e47a07f1e684f9d9462e768237a6896953 SHA-256: 2246bd721274d3ab595641ff3f8845e7d9d87664a38ed2ee4d418037bbbbc18b
104 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file is identified as malicious by ML classifiers and ClamAV, with heuristics indicating the presence of external URIs and a visual download button. The embedded URLs, particularly 'http://podjem2.club/jackpot_magic_slots_vegas_casino_slot_machinesw4q1n.pdf', suggest a phishing or malware distribution attempt. The document body, though heavily corrupted, contains references to 'ecommerce website templates' and 'free', likely serving as a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://jottigo.ru/wb?keyword=ecommerce%20website%20templates%20in%20html%20free PDF link annotation
    • http://podjem2.club/jackpot_magic_slots_vegas_casino_slot_machinesw4q1n.pdfIn PDF document text
    • https://cdn.sqhk.co/govamopega/goyifhd/zigozajasumejagolugize.pdfIn PDF document text
    • https://cdn.sqhk.co/tumowara/0fgcihT/doobdasher_coupon_codes.pdfIn PDF document text
    • https://cdn.sqhk.co/xobitabab/hcuihhg/cissp_domains.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4501045/normal_5ffa2181b7752.pdfIn PDF document text
    • http://kolomata.ru/table_of_contents_template_word_freeka32j.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/tudawufed/zoduviti.pdfIn PDF document text
    • https://s3.amazonaws.com/nigimul/75432166202.pdfIn PDF document text
    • https://s3.amazonaws.com/tikofaketonub/5231908735.pdfIn PDF document text
    • https://s3.amazonaws.com/mesixadelomomo/fico_credit_report_free.pdfIn PDF document text
    • https://s3.amazonaws.com/xozeb/notepad_mac_os.pdfIn PDF document text
    • https://s3.amazonaws.com/defipedibe/laurentide_ice_sheet_extent.pdfIn PDF document text
    • https://s3.amazonaws.com/midipes/bhageeratha_naa_songs.pdfIn PDF document text
    • https://s3.amazonaws.com/satuja/buvusu.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_off0000dc5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC5B 5444 bytes
SHA-256: b24eb7b5e4bd6f9949e513384b0a55af775db4f76297f570a52f793cb0057c44
font_01_sfnt_off0000eec9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEC9 10352 bytes
SHA-256: 96b5a6ca00ab553e5619f21b913f2ebea75e1cfa8c48ada6d05e1cd90db1fe6f

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