Malicious PDF — malware analysis report

Static analysis result for SHA-256 beb3d4a0818ea1da…

MALICIOUS

PDF

54.1 KB Created: 2020-09-01 00:18:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4f61364b3e2fc956245ed5b4e0ea380c SHA-1: 3913973f89ff8429b4fc03947d41fe1ec21148ca SHA-256: beb3d4a0818ea1da38a8bd6939be8c929e231e19c0af20d9edd137c26745214f
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link farm designed to lure users into clicking on a URL, disguised as car specifications, which redirects to malicious infrastructure. The primary malicious URL identified is https://ttraff.cc/pify?keyword=2019+audi+r8+v10+performance+specs. The document body contains obfuscated text and metadata related to the car lure and the PDF generation tool.

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.cc/pify?keyword=2019+audi+r8+v10+performance+specs
    • https://cdn.shopify.com/s/files/1/0432/1568/3744/files/tipumitafijovuxobemu.pdf
    • https://cdn.shopify.com/s/files/1/0434/8080/9622/files/paediatric_neurological_assessment_form.pdf
    • https://cdn.shopify.com/s/files/1/0428/3544/3875/files/zosi_default_password.pdf
    • https://cdn.shopify.com/s/files/1/0431/2521/1296/files/59475381556.pdf
    • https://cdn.shopify.com/s/files/1/0430/2887/3367/files/ruripupuvojap.pdf
    • https://static.usrfiles.com/ugd/07625c_99558ec85490436e8afd667f71cbf0bd.pdf
    • https://static.usrfiles.com/ugd/b8c837_9b7fd98a56984821900bff5466b75b4a.pdf
    • https://static.usrfiles.com/ugd/913720_ddf78667a2cd4e89bb8f14ff499e7d6c.pdf
    • https://static.usrfiles.com/ugd/6c032c_2c43df0a60e34e7494251bd36263daf3.pdf
    • https://static.usrfiles.com/ugd/8127dd_341e37d3a3d34638af2b8e9013a2ebce.pdf
    • https://cdn.shopify.com/s/files/1/0429/6425/4883/files/ap_psychology_barron_s_book_8th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0429/7401/9740/files/98215005554.pdf
    • https://cdn.shopify.com/s/files/1/0432/1309/5067/files/51986983832.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008708.bin
3577f245d14b1635f9def103babf9d707a60609dad6cb9ab4c093e88b79b8260		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8708 5712 bytes
font_01_sfnt_off00009a4e.bin
4d7bdc545fde0748419eb009dc946f290cbcb8b0e6966165aba54b5f35a347ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9A4E 10316 bytes
font_02_sfnt_off0000bda0.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBDA0 4324 bytes

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