Malicious PDF — malware analysis report

Static analysis result for SHA-256 96d13b46d7f99fed…

MALICIOUS

PDF

41.3 KB Created: 2020-08-20 13:49:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d7fb9e453ef16ac268a0b655d0031db0 SHA-1: 9d1d3f9c4c84e8ef223636ece332d1615a725061 SHA-256: 96d13b46d7f99fedd226f19441fad768ca40dabbdb07c8867ffe8237cd1f5834
160 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, specifically pointing to 'https://ttraff.ru/pify?keyword=forex+technical+analysis+indicators+pdf'. Additionally, it exhibits characteristics of an advance-fee scam lure, suggesting a fraudulent intent. The document body, though heavily obfuscated, contains keywords related to Forex technical analysis, likely serving as a pretext to encourage link clicks. The presence of numerous embedded links, many pointing to Shopify, indicates a link farm designed to obscure the ultimate malicious destination.

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.ru/pify?keyword=forex+technical+analysis+indicators+pdf
    • http://sezisewa.americandeckingco.com/uploads/1/3/0/7/130776886/5f2056daccbc.pdf
    • http://jukiwiso.sstartravel.com/uploads/1/3/0/9/130969060/7791340.pdf
    • https://cdn.shopify.com/s/files/1/0428/5949/5590/files/gesotakugiko.pdf
    • https://cdn.shopify.com/s/files/1/0433/3151/8622/files/robert_fitzgerald_aeneid.pdf
    • https://cdn.shopify.com/s/files/1/0434/4155/3575/files/agency_problems_and_accountability_of_corporate_managers_and_shareholders.pdf
    • https://cdn.shopify.com/s/files/1/0431/9988/9569/files/9115520121.pdf
    • https://cdn.shopify.com/s/files/1/0428/5209/0022/files/todolagufetasusumonew.pdf
    • https://cdn.shopify.com/s/files/1/0428/4160/4263/files/pajadevepezuvu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29318048561.pdf
    • https://cdn.shopify.com/s/files/1/0435/3540/1111/files/just_mercy_bryan_stevenson.pdf
    • https://cdn.shopify.com/s/files/1/0429/6091/2537/files/zotorokon.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_off00006341.bin
34c0046a9be2d5c78dd6713f46fa57718396bf21770f0e34f7d8c21f2de58482		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6341 5368 bytes
font_01_sfnt_off00007588.bin
936a0541a9c9abedc34979ed836844d95c243597a2213f3bd0b9227b6b2872db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7588 10248 bytes

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