Malicious PDF — malware analysis report

Static analysis result for SHA-256 f514cb363ccb612b…

MALICIOUS

PDF

35.3 KB Created: 2020-08-31 03:54:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 70a5f70e0a18254b4609702af62e3311 SHA-1: f214176f6268aca5ff95255952e8cc7c3591b6eb SHA-256: f514cb363ccb612b2c80f5c2fdf111e5c935ea4943a6ce71644426dd9184269f
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/wix?keyword=sap+pam+bpc+11'. Additionally, it exhibits characteristics of a PDF SEO link farm, embedding numerous links, with the primary one being 'https://cdn.shopify.com/s/files/1/0433/5930/5877/files/pazezapagopeletut.pdf'. The document body, though heavily obfuscated, contains these URLs, suggesting the intent is to redirect users to potentially malicious or SEO-manipulated content.

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/wix?keyword=sap+pam+bpc+11
    • https://cdn.shopify.com/s/files/1/0433/5930/5877/files/pazezapagopeletut.pdf
    • https://cdn.shopify.com/s/files/1/0431/7410/1160/files/jufuguvir.pdf
    • https://cdn.shopify.com/s/files/1/0438/6599/7472/files/slow_dance_adventure_time.pdf
    • https://cdn.shopify.com/s/files/1/0433/5697/9351/files/papegifaj.pdf
    • https://cdn.shopify.com/s/files/1/0439/1501/8392/files/principles_of_virology_4th_edition_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/7547/7416/files/13443113914.pdf
    • https://cdn.shopify.com/s/files/1/0437/1356/0729/files/64833459707.pdf
    • https://cdn.shopify.com/s/files/1/0428/4855/1068/files/kojarolanaju.pdf
    • https://cdn.shopify.com/s/files/1/0431/4939/4071/files/58796466723.pdf
    • https://cdn.shopify.com/s/files/1/0432/4596/1383/files/roofed_platform_adjoining_a_house_crossword_clue.pdf
    • https://cdn.shopify.com/s/files/1/0430/2562/9347/files/vertaloc_back_brace.pdf
    • https://cdn.shopify.com/s/files/1/0431/2317/9677/files/rofenizifamuzenuxeke.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_off00004dd8.bin
ffd1857463b0c37ffc084a33e045899b2a71b6bd49a5fcda379599c4f20acb02		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4DD8 5068 bytes
font_01_sfnt_off00005f04.bin
05429bb75fa11e9634acb01e2252a44e40a76fbd5f2a8e9dc2688cd35a4fa867		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F04 9944 bytes

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