Malicious PDF — malware analysis report

Static analysis result for SHA-256 e50fc88a42bdad3b…

MALICIOUS

PDF

40.0 KB Created: 2020-08-25 03:24:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 65c06547e7d96b689423de112860f0f2 SHA-1: bc1067fbdffb0cde3af18db2f4816f907de46a05 SHA-256: e50fc88a42bdad3bf2c04ffcbbddf89a35eabe137eacf8ae001d2686cb4d68f0
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one heuristic specifically identifying a link to known malicious redirector infrastructure. The document body text, though heavily obfuscated, contains a string that appears to be a movie title and a URL, suggesting a lure for users to click on malicious links. The presence of a link farm and a redirector indicates an attempt to drive traffic to potentially harmful sites.

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.ru/pify?keyword=aditya+369+full+movie+hd+free
    • http://lesafi.dahnmonwhittfamily.com/uploads/1/3/1/4/131454440/5c641900.pdf
    • http://files.stephanwinklerkunst.com/uploads/1/3/1/4/131482944/ganurisaxugatokukuse.pdf
    • http://files.lynettewellmeier.com/uploads/1/3/1/6/131606198/2117437.pdf
    • http://www.zengatv.com/embed?v/1827b972-203
    • https://cdn.shopify.com/s/files/1/0449/5890/8584/files/animals_worksheets_for_grade_1.pdf
    • https://cdn.shopify.com/s/files/1/0449/7945/4111/files/dress_up_storage_white_guidecraft_g98098.pdf
    • https://cdn.shopify.com/s/files/1/0432/6844/0224/files/vogimasuwovepudujebamuk.pdf
    • https://cdn.shopify.com/s/files/1/0435/6807/0815/files/beginners_python_programming.pdf
    • https://cdn.shopify.com/s/files/1/0428/4396/3548/files/lusozovolosaxi.pdf
    • https://cdn.shopify.com/s/files/1/0430/7959/8229/files/totubijitinegijupixavapa.pdf
    • https://cdn.shopify.com/s/files/1/0430/9411/4453/files/pogorumefisiruvutititazew.pdf
    • https://cdn.shopify.com/s/files/1/0435/1872/2216/files/mikuterel.pdf
    • https://cdn.shopify.com/s/files/1/0429/6740/0601/files/lelalibiwegenedufuna.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_off0000488e.bin
e2b8586d36c907a27c0ba99dfe512a4885384ff0a5ddff69a3023d735ac1d08b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x488E 5596 bytes
font_01_sfnt_off00005b6d.bin
7f010ff7b71c559cb8d34430ba0a63fe70a9c58e811d9b4f7008f1daacf6d6f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B6D 10112 bytes
font_02_sfnt_off00007e36.bin
c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E36 16164 bytes

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