Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce24f7a2b74c8070…

MALICIOUS

PDF

38.2 KB Created: 2020-08-29 03:21:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6189fb8ff8e6f869076dc28ec69c24d0 SHA-1: 6a0d288d9ef7c0db1ef9e7286fe8f32cf4745431 SHA-256: ce24f7a2b74c807096ba2b0c64e92c3433101dda4ca0c63f3dfc040250865aaa
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, 'https://ttraff.ru/wix?keyword=sunita+baby+dance+video+song++hd', is identified as a malicious redirector. This indicates the document is designed to lure users into clicking malicious links, likely for phishing or malware distribution.

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=sunita+baby+dance+video+song++hd
    • https://cdn.shopify.com/s/files/1/0427/9762/9596/files/19221731924.pdf
    • https://cdn.shopify.com/s/files/1/0434/3247/6838/files/lepomefelixuzemuwiza.pdf
    • https://cdn.shopify.com/s/files/1/0443/8127/4278/files/grainger_catalog.pdf
    • https://cdn.shopify.com/s/files/1/0431/7990/1096/files/benjamin_air_rifle_repair_manual.pdf
    • https://cdn.shopify.com/s/files/1/0430/3699/9842/files/kozidokudobonu.pdf
    • https://cdn.shopify.com/s/files/1/0434/9339/2536/files/53695233905.pdf
    • https://static.usrfiles.com/ugd/b8c837_6db835f7c19a4bc39160607643d781e9.pdf
    • https://static.usrfiles.com/ugd/b8c837_04575e3c877248a19f699182ba6cc4b2.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_off00004b5d.bin
4f537853d01a3b4b9cc37f51b5b5d5ae919c8828e0b30785bebdcf44eac112c6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4B5D 5476 bytes
font_01_sfnt_off00005df8.bin
7dc296fcca304b8fcd177adb626843893ed1ed79a1ae6b6a7e9dfb38861e0a35		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DF8 14384 bytes

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