Malicious PDF — malware analysis report

Static analysis result for SHA-256 9306c2f9f832c36c…

MALICIOUS

PDF

39.6 KB Created: 2020-08-24 02:48:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8c61e27129102252ad273c4d48155ffa SHA-1: ead6776dd04e8bed809ad23e6fa9d0291e6f31c5 SHA-256: 9306c2f9f832c36c4ec8037344eb3bda438662943e25dcc6fa01fc56f29c0199
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating it's a malicious redirector. The primary malicious URL, 'https://ttraff.cc/pify?keyword=badrinath+movie+video+song+hd', is designed to lure users with a movie-related keyword. The document body, though heavily obfuscated, also contains this URL and other PDF links, reinforcing the attack pattern of a link farm designed for redirection.

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=badrinath+movie+video+song+hd
    • http://pagawegus.tziky.com/uploads/1/3/1/4/131437208/diledezuvagitorapi.pdf
    • http://tupotaw.butlerandgraceonline.com/uploads/1/3/1/3/131380158/mipibogagidat.pdf
    • http://kumodu.dutchbudha.com/uploads/1/3/2/6/132680813/buget-jabejemuwidamaj.pdf
    • http://pesus.geersofchange.com/uploads/1/3/1/4/131438759/6851f9ad3.pdf
    • https://cdn.shopify.com/s/files/1/0430/7091/4717/files/b._e._degree_full_form.pdf
    • https://cdn.shopify.com/s/files/1/0432/4196/3683/files/37559970982.pdf
    • https://cdn.shopify.com/s/files/1/0429/3646/7619/files/movenetofabo.pdf
    • https://cdn.shopify.com/s/files/1/0440/4133/9045/files/lalavinovojojizusugiwobe.pdf
    • https://cdn.shopify.com/s/files/1/0429/6884/2393/files/limitations_of_social_media.pdf
    • https://cdn.shopify.com/s/files/1/0435/5896/1320/files/mivufetasotewawatol.pdf
    • https://cdn.shopify.com/s/files/1/0436/1804/2018/files/22669612113.pdf
    • https://cdn.shopify.com/s/files/1/0436/6332/7385/files/ahimi_as_deka_mage_dj_song.pdf
    • https://cdn.shopify.com/s/files/1/0440/7299/2918/files/ortopedia_pediatrica_staheli_descargar.pdf
    • https://cdn.shopify.com/s/files/1/0434/2539/8946/files/cirosans_classic_overhaul_v1._6.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_off00005098.bin
6b4abc0a0add44961d3dc7b67667df672d4ddb5f968677d8d198ec4c94c66b9a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5098 5104 bytes
font_01_sfnt_off000061c3.bin
8c9922df41febe8c5336557e3fd99bcc90c313a42f9e6fddfb8e4df2fd6cad24		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61C3 9892 bytes
font_02_sfnt_off000083a4.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x83A4 4324 bytes

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