Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e47c9d5e61a94ee…

MALICIOUS

PDF

51.0 KB Created: 2020-08-29 09:15:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6fbb3220e0f6fd3e4a722b19e2be84fb SHA-1: 2d1ddcbae51ed9a3d03a24ba9bab793d9378ee49 SHA-256: 2e47c9d5e61a94ee8894536f445d73e38272cdb4a76050c7582df1d4217858fa
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. The presence of a large number of external links suggests a link farm or SEO manipulation tactic, with the primary malicious link pointing to a redirector.

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/wix?keyword=eric+brechner+agile+project+management+with+kanban
    • https://cdn.shopify.com/s/files/1/0431/6794/0759/files/heaven_s_feel_route_guide.pdf
    • https://cdn.shopify.com/s/files/1/0439/6518/6206/files/integrated_mathematics_1_volume_2_answer_key.pdf
    • https://cdn.shopify.com/s/files/1/0432/1522/4996/files/55736159791.pdf
    • https://cdn.shopify.com/s/files/1/0435/0686/0187/files/51564617563.pdf
    • https://cdn.shopify.com/s/files/1/0440/5297/1685/files/manefefiputelulifumir.pdf
    • https://cdn.shopify.com/s/files/1/0434/0292/0086/files/robbery_bob_apk_rexdl.pdf
    • https://cdn.shopify.com/s/files/1/0435/1967/2472/files/lawapusir.pdf
    • https://cdn.shopify.com/s/files/1/0435/4686/9911/files/google_maps_api_multiple_markers.pdf
    • https://cdn.shopify.com/s/files/1/0438/8729/6680/files/doors_2_level_22.pdf
    • https://cdn.shopify.com/s/files/1/0434/6209/9109/files/tewotilobitez.pdf
    • https://static.usrfiles.com/ugd/b8c837_4bd0d1aa19874c7d9cbbf58e5ae403fd.pdf
    • https://static.usrfiles.com/ugd/b8c837_1906bb1a8ecc41209f4824dbbc3168b9.pdf
    • https://static.usrfiles.com/ugd/b8c837_964dd730ac994cffbda67c091e7c80a6.pdf
    • https://static.usrfiles.com/ugd/b8c837_f86210dab46140d2aa205a30258b3991.pdf
    • https://static.usrfiles.com/ugd/b8c837_8e08d37e535c43a5b82f4c78f1e535e5.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_off000087e5.bin
7921291d5bf5b61fcd9fd52ad5587448cb62ff259a6368130ae17543f9c15f6d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x87E5 5500 bytes
font_01_sfnt_off00009a82.bin
f2ee33effd372f5579b706cdd0fc05a3b1a6ba680605796f003f8ef141ebf3ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9A82 10492 bytes

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