Malicious PDF — malware analysis report

Static analysis result for SHA-256 2029d54b7aa00fc2…

MALICIOUS

PDF

42.3 KB Created: 2020-08-16 14:24:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 49395bc9044007b8ad0e72bf9a11ed57 SHA-1: 50a87d817b53c929488f1d7b9f91ff75b8fa8d8a SHA-256: 2029d54b7aa00fc2a6b39353dcb02ff6793c1feee203ac69d5f4848d997811e7
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous links, including one pointing to a known malicious redirector at ttraff.com. The document body, though partially corrupted, suggests a lure related to 'violin sheet music'. The presence of a link farm and a malicious redirector indicates a likely phishing or malware distribution attempt. No scripts were extracted, limiting the analysis of specific execution behaviors.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://ttraff.com/pify?keyword=my+favourite+things+violin+sheet+music
    • http://files.prettybakedqueens.com/uploads/1/3/1/3/131379832/6399225.pdf
    • http://kokadu.greycaseyfry.com/uploads/1/3/2/7/132740580/4694694.pdf
    • http://tawabop.ignite-the-change.com/uploads/1/3/2/7/132710797/4680949.pdf
    • http://files.michael-hernandez.net/uploads/1/3/0/7/130739891/9606915.pdf
    • http://files.augustahomesnc.com/uploads/1/3/1/4/131406977/lilafug.pdf
    • https://cdn.shopify.com/s/files/1/0434/5036/8152/files/synonyms_for_ielts_writing_task_1.pdf
    • https://cdn.shopify.com/s/files/1/0430/1930/5113/files/88323115287.pdf
    • https://cdn.shopify.com/s/files/1/0434/2297/4117/files/famozuguvatutobonetutave.pdf
    • https://cdn.shopify.com/s/files/1/0446/9496/2332/files/nipafiwifevaxuleve.pdf
    • https://cdn.shopify.com/s/files/1/0434/4047/2229/files/molewivemegifeginojerube.pdf
    • https://cdn.shopify.com/s/files/1/0432/5802/0004/files/fishing_report_michigan.pdf
    • https://cdn.shopify.com/s/files/1/0432/5117/1478/files/27435076811.pdf
    • https://cdn.shopify.com/s/files/1/0434/1052/2277/files/76303531584.pdf
    • https://cdn.shopify.com/s/files/1/0431/0433/8077/files/albert_einstein_theory_of_relativity_paper.pdf
    • https://cdn.shopify.com/s/files/1/0434/8890/3325/files/98649896158.pdf
    • https://cdn.shopify.com/s/files/1/0430/7301/1865/files/astronomy_101.pdf
    • https://cdn.shopify.com/s/files/1/0428/7266/8319/files/approaches_to_total_quality_management.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006659.bin
eca5b9f9426c85d9fdc17802ce3943753f6f827850ef1c2f7063af5adac98aa0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6659 5460 bytes
font_01_sfnt_off000078e1.bin
f3bcdc007228e6a34086c2612695159cfff93075d05117686bb1ef33293bda13		 pdf-font-stream PDF embedded font (sfnt) at offset 0x78E1 10288 bytes

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