Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ea69c71d144fa66…

MALICIOUS

PDF

47.4 KB Created: 2020-08-30 16:15:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 968523b047205f2651f102f143b090b0 SHA-1: 2f73fd0b9d426b40e9a1a02071bb4b1b4a6c6ef3 SHA-256: 4ea69c71d144fa66b7a9504cdced3d1c02608ef2979747828ae9cbe2d40f0989
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/wix?keyword=eurosport+2+reloj+vivo+on-line'. This indicates the document's primary purpose is to redirect users to a potentially harmful site. The document body, though heavily obfuscated, also contains this URL, reinforcing the malicious intent. No scripts were extracted, limiting further analysis of execution chains.

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/wix?keyword=eurosport+2+reloj+vivo+on-line
    • https://cdn.shopify.com/s/files/1/0436/4189/7110/files/3917060721.pdf
    • https://cdn.shopify.com/s/files/1/0431/6404/1365/files/sofia_the_first_and_the_secret_of_av.pdf
    • https://cdn.shopify.com/s/files/1/0429/3676/2527/files/68181758030.pdf
    • https://cdn.shopify.com/s/files/1/0433/6038/7240/files/12492362817.pdf
    • https://cdn.shopify.com/s/files/1/0430/7327/4018/files/rozisinepoto.pdf
    • https://cdn.shopify.com/s/files/1/0428/8361/2831/files/86777283290.pdf
    • https://cdn.shopify.com/s/files/1/0432/4353/6541/files/chromebook_mac_address.pdf
    • https://cdn.shopify.com/s/files/1/0434/7471/4790/files/circular_saw_guide_8ft.pdf
    • https://cdn.shopify.com/s/files/1/0430/5856/1175/files/epic_games_launcher_uninstall.pdf
    • https://static.usrfiles.com/ugd/83b1b3_ad7db03d071a428c9ac2582478adcd41.pdf
    • https://static.usrfiles.com/ugd/b0b521_65652e5a60a54b628619b6800d9e19e8.pdf
    • https://static.usrfiles.com/ugd/b8c837_6c266b54b4b447ba8891eae0752843d8.pdf
    • https://cdn.shopify.com/s/files/1/0430/9526/1348/files/list_of_us_airport_codes.pdf
    • https://cdn.shopify.com/s/files/1/0430/1278/4277/files/nexevave.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/
    • https://cdn.shopify.com

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007099.bin
47b8d541a3b0c09daf62afc91985d0ef8db29a8ce43bdeb206e877694a3e29d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7099 4740 bytes
font_01_sfnt_off000080db.bin
34d9f9e230f85be59d2fcf4ef70ee3357aa84d1848a2e3ca70120bb604debd7e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80DB 9816 bytes
font_02_sfnt_off0000a292.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA292 4324 bytes

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