Malicious PDF — malware analysis report

Static analysis result for SHA-256 9352b70acb356f19…

MALICIOUS

PDF

42.8 KB Created: 2020-08-10 21:24:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8df98f2a68acb31f6aef0754ca193812 SHA-1: 9d54af9b59ede833493a87ff1d8009593bf01a1a SHA-256: 9352b70acb356f19269d07de0a0f52f3ff2eeff156a2154bf7594e82d1cccd95
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating it is a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=the+game+pickup+artist+book+pdf'. The document body also contains this URL, suggesting it is intended to lure the user to this malicious site under the guise of a book download. The presence of numerous other PDF links, many hosted on Shopify, further supports the link farm and redirection attack pattern.

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/pify?keyword=the+game+pickup+artist+book+pdf
    • http://xekel.hiddencharmdressage.com/uploads/1/3/0/7/130775734/keforekamewoj_sebozigisula.pdf
    • http://files.nocaglassschool.com/uploads/1/3/1/4/131453397/2438af1191ad.pdf
    • http://files.lauraavnaim.com/uploads/1/3/0/9/130969819/0ec2ee5.pdf
    • http://files.covenantasheboro.com/uploads/1/3/1/4/131453902/kifebaki-wujapefe-solijelitekok.pdf
    • https://cdn.shopify.com/s/files/1/0434/9437/5576/files/zogatasodulu.pdf
    • https://cdn.shopify.com/s/files/1/0429/6248/5407/files/76055062489.pdf
    • https://cdn.shopify.com/s/files/1/0438/5311/9648/files/les_miles_wife.pdf
    • https://cdn.shopify.com/s/files/1/0429/9731/7783/files/jatukozijisikakugizumujad.pdf
    • https://cdn.shopify.com/s/files/1/0428/0595/2671/files/61998127705.pdf
    • https://cdn.shopify.com/s/files/1/0430/6095/3249/files/5918913679.pdf
    • https://cdn.shopify.com/s/files/1/0432/4638/7362/files/china_ip_address.pdf
    • https://cdn.shopify.com/s/files/1/0435/1872/2216/files/36060840032.pdf
    • https://cdn.shopify.com/s/files/1/0435/8701/0715/files/97670385930.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_off00006919.bin
844a249073401b07b7598b961399ee012b020b156b95b5566ecf01b84a68b73b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6919 5692 bytes
font_01_sfnt_off00007c4c.bin
8595b574e4875d737cf6b09626ef437f670161b097ecd2ce258efa11fecb81a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C4C 10024 bytes

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