Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0458a8ebaa90a88…

MALICIOUS

PDF

40.4 KB Created: 2020-08-29 03:55:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8be1f0a759a942414a1ad56a7be77d3a SHA-1: c6c5590d4e2be01336ab4a7cc63f18524a261ccd SHA-256: d0458a8ebaa90a882b7646e4ca4794dd951eff8fb5ee2da4b36ccd71558e55cd
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to `https://ttraff.com/wix?keyword=download+fujifilm+kiosk+photo+transfer+app`. This URL is presented within the document body, suggesting a social engineering lure to download a specific application. The document also contains a large number of embedded links, many of which point to benign Shopify URLs, but the primary malicious link is the clear indicator of compromise. No scripts were extracted from this sample.

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/wix?keyword=download+fujifilm+kiosk+photo+transfer+app
    • https://cdn.shopify.com/s/files/1/0448/1184/5793/files/eec_ma_incident_report.pdf
    • https://cdn.shopify.com/s/files/1/0431/9212/3560/files/lezekafefemo.pdf
    • https://cdn.shopify.com/s/files/1/0430/0885/2117/files/61587671118.pdf
    • https://cdn.shopify.com/s/files/1/0435/3510/6203/files/10368673579.pdf
    • https://cdn.shopify.com/s/files/1/0436/0926/0190/files/gapaxu.pdf
    • https://cdn.shopify.com/s/files/1/0431/1239/9010/files/27885018676.pdf
    • https://cdn.shopify.com/s/files/1/0434/5587/3190/files/viber_app_free_for_android_mobile.pdf
    • https://static.usrfiles.com/ugd/b8c837_4f93db84c03e4e7a9d5561b7b233a31e.pdf
    • https://static.usrfiles.com/ugd/b8c837_7c7f3c03dff740008ea03e24f6f0d243.pdf
    • https://static.usrfiles.com/ugd/b8c837_14efcd46fbc64a84a07e708303c63fc5.pdf
    • https://static.usrfiles.com/ugd/b8c837_648cd032626448bd9df9eba00198ab38.pdf
    • https://static.usrfiles.com/ugd/b8c837_5ecbdfdbc4174a6387c801116fd50566.pdf
    • https://static.usrfiles.com/ugd/b8c837_ea269253c2b649f3b3d778e6f3eb3586.pdf
    • https://static.usrfiles.com/ugd/b8c837_44b688098da540dca333d2bb75b5df94.pdf
    • https://static.usrfiles.com/ugd/b8c837_27680f9496644a63817a30ae648c4539.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_off00005cec.bin
7580a55a72c16f926b0e7190001601ddebafcbde56399890d39d6f0e29db6357		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CEC 5512 bytes
font_01_sfnt_off00006f9c.bin
d10ea305a972d0b17e3887fb75108dfcec46811fff28487821f7ea0d3af7288c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F9C 10760 bytes

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