Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec969290a65ce156…

MALICIOUS

PDF

45.7 KB Created: 2020-08-25 15:47:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 77bc8d600283af59e518af72746d5982 SHA-1: 4f578702818124216b282420147ac9d990346070 SHA-256: ec969290a65ce156aee90b5e4212cc2f5318eeb5ba84c178e35f4d1b7f86ce19
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with one pointing to a known malicious redirector (ttraff.com). The document body is heavily obfuscated and appears to be generated content, likely for SEO purposes. The primary attack pattern involves leveraging these links to redirect users to potentially harmful content or to manipulate search engine rankings.

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.com/pify?keyword=django+template+extends+multiple
    • http://rotopi.lawlisprinting.com/uploads/1/3/1/4/131407668/nunem-mizekijarad-valomojiniga-xuwekare.pdf
    • http://lokodu.salveoclinic.org/uploads/1/3/0/8/130814161/b128dbf6e1ea.pdf
    • http://files.malvernehslibrary.com/uploads/1/3/1/1/131163635/wexenepixalikirujo.pdf
    • http://jomiki.prayzart.com/uploads/1/3/1/3/131384618/1772065.pdf
    • https://cdn.shopify.com/s/files/1/0436/9206/4933/files/guxudakirujaxamiv.pdf
    • https://cdn.shopify.com/s/files/1/0434/0688/5027/files/8901852807.pdf
    • https://cdn.shopify.com/s/files/1/0433/9875/8563/files/my_talking_tom_for_pc.pdf
    • https://cdn.shopify.com/s/files/1/0432/2725/0850/files/wesuwowapebebusejobo.pdf
    • https://cdn.shopify.com/s/files/1/0430/5725/0455/files/waweka.pdf
    • https://cdn.shopify.com/s/files/1/0440/6162/2437/files/38311330579.pdf
    • https://cdn.shopify.com/s/files/1/0433/7175/7718/files/wesuzopodusexiwewula.pdf
    • https://cdn.shopify.com/s/files/1/0428/5808/6559/files/occupational_safety_and_health_act_malaysia.pdf
    • https://cdn.shopify.com/s/files/1/0429/3066/7673/files/font_awesome_webpack.pdf
    • https://cdn.shopify.com/s/files/1/0433/7860/6229/files/49939923457.pdf
    • https://cdn.shopify.com/s/files/1/0429/1185/8855/files/molunavog.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_off000069c3.bin
fabc7a0ac01f77cd2d0e3fd62b6af4e2ae3b6edf3a98072a2a41c16544669da8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69C3 5324 bytes
font_01_sfnt_off00007bdb.bin
f9bbd204efd4d0f62918abbe0f794a39d9e5b131eaf49b17bc5b4cb8bd316e3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BDB 14712 bytes

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