Malicious PDF — malware analysis report

Static analysis result for SHA-256 abc03ae3b43a51bf…

MALICIOUS

PDF

39.9 KB Created: 2020-08-02 15:28:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ac3655a2d7df1025ec67fa5157019ead SHA-1: 879cb4020f654850695f05bc09397c4ca23c73c4 SHA-256: abc03ae3b43a51bf4a6533fcb47529c47652edfaf67e87398acd9c1ef807fadd
150 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lure users into clicking on further malicious links. The document body, though heavily obfuscated, contains the string 'genesis kodi not working' and the malicious URL, suggesting a social engineering pretext. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm intended to improve search engine ranking for malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=genesis+kodi+not+working
    • http://files.artofmurf.com/uploads/1/3/0/7/130775557/4942183.pdf
    • http://files.stjoachimlockeford.com/uploads/1/3/1/4/131438308/6745590.pdf
    • http://files.thetracytrust.co.uk/uploads/1/3/0/7/130739037/wufutomonogikixiko.pdf
    • https://cdn.shopify.com/s/files/1/0437/4256/0407/files/29927323929.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/45484104345.pdf
    • https://cdn.shopify.com/s/files/1/0430/3906/4225/files/xabopizikabewumema.pdf
    • https://cdn.shopify.com/s/files/1/0434/4751/7349/files/67768466545.pdf
    • https://cdn.shopify.com/s/files/1/0430/1363/6259/files/4786771507.pdf
    • https://cdn.shopify.com/s/files/1/0431/9258/2293/files/koziwixeririfuzefozad.pdf
    • https://cdn.shopify.com/s/files/1/0437/8768/1954/files/49521303287.pdf
    • https://cdn.shopify.com/s/files/1/0430/3428/0099/files/flipped_book.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tanedikefiresemur.pdf
    • https://cdn.shopify.com/s/files/1/0429/8804/4447/files/govivupazafakumodum.pdf
    • https://cdn.shopify.com/s/files/1/0431/5696/3479/files/rajujakokosatijaxi.pdf
    • https://cdn.shopify.com/s/files/1/0435/9972/4702/files/duvovoxolu.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_off00006011.bin
bb3b9b32231ac50a88567c70aab88335002d20a70179125197357fd5b4f47cc7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6011 4940 bytes
font_01_sfnt_off00007108.bin
d78f467ecaa4105f559b202df5d537bcd5aefd56ec68db05ba21ea403a50c9ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7108 9996 bytes

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