Malicious PDF — malware analysis report

Static analysis result for SHA-256 f06d2d549973e5ec…

MALICIOUS

PDF

36.9 KB Created: 2020-08-02 17:42:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7887b45dc3df760163cf1543597c3a8e SHA-1: 43f1e24ed61d7da15f943ebf854b0f7255faa6f7 SHA-256: f06d2d549973e5ec58d2dc26f9232d6c81aec33ea2e1212f40e431388983b171
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, with one identified as a malicious redirector. The heuristic firings indicate that this PDF is part of a link farm, likely intended for SEO manipulation or to distribute further malicious content. The primary malicious IOC is the redirector URL, which likely leads to a malicious payload or phishing site.

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/pify?keyword=dot+form+hs+7
    • http://files.sarahtrignano.com/uploads/1/3/0/7/130775304/6efa3c94873.pdf
    • http://files.our-simple-life.com/uploads/1/3/1/3/131398046/benokes_xekariforijun_livawafube.pdf
    • http://files.seabreezedental.com/uploads/1/3/0/7/130775372/eabee036329.pdf
    • http://files.elementsofgray.com/uploads/1/3/1/4/131408204/mosexinewow_soxirorebazixu_vipasigibikevak_zesutuz.pdf
    • https://cdn.shopify.com/s/files/1/0431/0168/3865/files/naxelewusafasojipaxilo.pdf
    • https://cdn.shopify.com/s/files/1/0434/4014/4534/files/80510466934.pdf
    • https://cdn.shopify.com/s/files/1/0431/0820/4704/files/91995941823.pdf
    • https://cdn.shopify.com/s/files/1/0434/1301/2630/files/22299268348.pdf
    • https://cdn.shopify.com/s/files/1/0430/3811/3955/files/nowijodekepad.pdf
    • https://cdn.shopify.com/s/files/1/0435/5981/3279/files/lobuwop.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/93527538138.pdf
    • https://cdn.shopify.com/s/files/1/0433/8611/0110/files/dojaxakiz.pdf
    • https://cdn.shopify.com/s/files/1/0430/0357/6481/files/torilanedizujojezobov.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/38935964995.pdf
    • https://cdn.shopify.com/s/files/1/0435/9146/7176/files/4095061707.pdf
    • https://cdn.shopify.com/s/files/1/0431/2940/5600/files/94798565634.pdf
    • https://cdn.shopify.com/s/files/1/0434/7668/0870/files/kusudidukaselitovijedixur.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_off000054a3.bin
24b30484ca209234c3ebc6f85eee2889714ef871a5a01f4e293071d35ba8856d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54A3 4844 bytes
font_01_sfnt_off00006504.bin
34741823c1f99077aa0b70379db68544ed1c0bc701d3de0bac78af1504c528fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6504 10048 bytes

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