Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3136d3f5e3c7750…

MALICIOUS

PDF

50.6 KB Created: 2020-08-06 05:15:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ce5a5a98fbb48846a4af6a3a27637298 SHA-1: e212713f0581491ebd79234195660051ea567d7e SHA-256: f3136d3f5e3c7750509a33c2eb977fad5a6ebeba71af59ac6fdc42cc91c0f4a6
160 Risk Score

Malware Insights

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

The PDF file contains a lure for an advance-fee scam, presenting language related to lotteries or prizes and parcel delivery requirements. It embeds multiple links, with one critical link redirecting to a known malicious URL, ttraff.com. This indicates the document's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or phishing.

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.com/pify?keyword=classic+cars+uk+may+2020+pdf
    • http://files.trishatakestravel.com/uploads/1/3/1/3/131383478/5993549.pdf
    • http://files.whitepeacockcoffee.com/uploads/1/3/1/4/131436971/7dad80.pdf
    • http://files.whirlingwindsstables.com/uploads/1/3/0/7/130738778/posasojidapajalikala.pdf
    • http://files.purplepotters.com/uploads/1/3/0/7/130739699/fopuni-wulol-sezabuwerefuwo.pdf
    • https://cdn.shopify.com/s/files/1/0437/8466/7287/files/63005976259.pdf
    • https://cdn.shopify.com/s/files/1/0438/0760/4896/files/vixefopujive.pdf
    • https://cdn.shopify.com/s/files/1/0437/3587/5749/files/alter_ego_4_b2_guide_pdagogique.pdf
    • https://cdn.shopify.com/s/files/1/0433/1854/2504/files/ridafugiv.pdf
    • https://cdn.shopify.com/s/files/1/0433/9915/1768/files/33565975919.pdf
    • https://cdn.shopify.com/s/files/1/0429/6871/1321/files/degajaposuxawopoli.pdf
    • https://cdn.shopify.com/s/files/1/0435/2324/4191/files/59916878704.pdf
    • https://cdn.shopify.com/s/files/1/0431/5129/4628/files/intel_core_i5_6600k.pdf
    • https://cdn.shopify.com/s/files/1/0430/8035/1897/files/zewel.pdf
    • https://cdn.shopify.com/s/files/1/0433/8001/5262/files/nobomitupojofa.pdf
    • https://cdn.shopify.com/s/files/1/0428/7699/3702/files/calum_von_moger_ebook.pdf
    • https://cdn.shopify.com/s/files/1/0437/5327/5546/files/kofazudel.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_off000080dd.bin
897a4bba6062a0b9436c3b26e7c4b46581f0abb621506b2d004fcdb7e0a4a089
pdf-font-stream PDF embedded font (sfnt) at offset 0x80DD 5648 bytes
font_01_sfnt_off00009405.bin
0b75bfe650e3ed40fe7b15dcce90f171c1f6f7a65fc3870f4f3d361ef80a45f8
pdf-font-stream PDF embedded font (sfnt) at offset 0x9405 12936 bytes