Malicious PDF — malware analysis report

Static analysis result for SHA-256 c4305a66e5fecc9a…

MALICIOUS

PDF

33.0 KB Created: 2020-08-24 03:40:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4d9ab73b348aaabf85a83775b726ba03 SHA-1: 4184bb7fb0d5c61468cfc11c7eb9d7621cc2d913 SHA-256: c4305a66e5fecc9a455aba9b5c1cfceb2916f9f6111790d2e1b3f0158118f2ea
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to benign Shopify URLs, but one critical link directs to a known malicious redirector. The document body text, though heavily obfuscated, contains the phrase 'Ashoka full movie dailymotion' and the malicious URL, suggesting a lure to trick users into clicking the link. The presence of a malicious redirector indicates an attempt to lead the user to a harmful destination.

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/pify?keyword=ashoka+full+movie++dailymotion
    • http://files.donnamarieauthor.net/uploads/1/3/0/7/130775639/5bb752e.pdf
    • http://ruzepas.aes-tx.com/uploads/1/3/2/8/132816036/f98e81f6056.pdf
    • https://cdn.shopify.com/s/files/1/0437/6598/9528/files/calendario_escolar_comunidad_de_madrid_2020_20.pdf
    • https://cdn.shopify.com/s/files/1/0431/0332/2269/files/rizopowaxirogixekuworotel.pdf
    • https://cdn.shopify.com/s/files/1/0434/6504/8214/files/52065971456.pdf
    • https://cdn.shopify.com/s/files/1/0440/0663/7726/files/abbyy_transformer_3._0_pro_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/2920/8986/files/65318194594.pdf
    • https://cdn.shopify.com/s/files/1/0431/8226/0384/files/lojexizomadedewukagovorun.pdf
    • https://cdn.shopify.com/s/files/1/0430/0328/1571/files/mosuritet.pdf
    • https://cdn.shopify.com/s/files/1/0438/3119/7856/files/cambridge_english_for_engineering.pdf
    • https://cdn.shopify.com/s/files/1/0437/3191/0821/files/ronutupuzo.pdf
    • https://cdn.shopify.com/s/files/1/0431/0754/9338/files/definicion_de_aprendizaje_social.pdf
    • https://cdn.shopify.com/s/files/1/0432/9252/4700/files/top_online_games_for_android_2019.pdf
    • https://cdn.shopify.com/s/files/1/0432/8348/0736/files/rarawafeburimimiruvep.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_off00004475.bin
4ad98144e06ed3ac8fcffa39ca0098d2e93c9a900667655d271103338d19f1d0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4475 5268 bytes
font_01_sfnt_off00005652.bin
1dad949d2365c63b6f4a468b3bb3a8ed1204c0814ce9cd48d304be5883807587		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5652 9752 bytes

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