Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e24db07ce604070…

MALICIOUS

PDF

42.0 KB Created: 2020-09-17 19:41:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 246f4808fe18d5ef0a7596d6207c16f4 SHA-1: f14cbc966a3388b69e1cf948e00ee8845e66deeb SHA-256: 3e24db07ce6040706fb0f154248309396010f0d6eec44bec69c23d2827d8a37b
162 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link and a link farm, indicating it's designed to lead users to external sites. The 'SE_ADVANCE_FEE_SCAM_LURE' heuristic confirms the document's content is a classic advance-fee fraud, likely aiming to trick users into believing they will receive a prize or parcel. The embedded URL https://ttraff.club/wix?keyword=micro+machines+military+playset is the primary malicious redirector. The document body, though partially garbled, contains this URL and other links that are part of a link farm.

Heuristics 4

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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.club/wix?keyword=micro+machines+military+playset
    • http://wipiwibo.laceysspringrec.org/uploads/1/3/0/9/130969037/sevozirixinuje.pdf
    • http://files.appletreecontractors.com/uploads/1/3/1/6/131607712/9709263.pdf
    • https://5f080384-af79-43c2-9b9e-4b55edff6e4b.filesusr.com/ugd/ab63e3_50af25d8b7ad4950acbfafeb4e2fbd9f.pdf?index=true
    • https://90c50dd1-8197-4b07-aafe-639d4c682eda.filesusr.com/ugd/e54fc7_cdb160d4c78148078ef59bddf5addcce.pdf?index=true
    • https://d5b0a5a0-0af6-4e5c-880b-86ef5d514c9a.filesusr.com/ugd/1decf9_d1b5f7bf0a70408c907d7eb2c56ccf30.pdf?index=true
    • https://9c5ae14c-45a4-45b2-80f2-03b104a02b1e.filesusr.com/ugd/41f880_f90c03d1592c4f87bebe7ac0b2980bbe.pdf?index=true
    • https://0616b000-88e4-4649-8092-3c0216ec2cf6.filesusr.com/ugd/9219f8_d0b00f020d514c278c6ac9f0f138c153.pdf?index=true
    • https://3a5b6aaa-2082-459d-a2ef-3969595feccb.filesusr.com/ugd/1cc7e8_07967bec05a54bf3b542a4da900579eb.pdf?index=true
    • https://00393c2f-7245-4866-a045-eb98b0404088.filesusr.com/ugd/b1277d_62fa667a142545e582bc9ad4f544dbb7.pdf?index=true
    • https://7dff9778-83da-4c7c-a2a1-d55994a4f97d.filesusr.com/ugd/b463f2_1c833927c2774de88c7105400b4568f9.pdf?index=true
    • https://429f42ac-daa5-4da0-9e3a-8764391f2166.filesusr.com/ugd/fd30ac_80b0dd58e46c4b16a15a0bb6162afa14.pdf?index=true
    • https://626e2d31-698d-4731-b18b-20514d2765e3.filesusr.com/ugd/f0e51d_a1a532170d8b41f1b3e72e11694e2f49.pdf?index=true
    • 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_off00006567.bin
b27b2569ee17c0ae96cbd1605967ec5c5b327b59e0e57cc5b1ce7fd5729c7141
pdf-font-stream PDF embedded font (sfnt) at offset 0x6567 5280 bytes
font_01_sfnt_off00007741.bin
7b1d35350cb2b2c0aa2d2723201c8b3f2e5c016b9cda91e917ceb983e828b541
pdf-font-stream PDF embedded font (sfnt) at offset 0x7741 10640 bytes