Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd05393d23379a08…

MALICIOUS

PDF

39.4 KB Created: 2020-08-21 00:06:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 49bcb95ddade3792b714af30a7cfc463 SHA-1: f4eed4ded36ebc1970bdad9725300b658c56c85d SHA-256: fd05393d23379a086af6ad4025c37ca11a6e90baedd3eaa2f55bf566d98c535a
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic indicating it's a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=creature+quest+kingdom+guide'. The document body also contains this URL, presented as a 'Creature quest kingdom guide', suggesting a lure to trick users into clicking the link. The file also exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify. The primary malicious IOC is the ttraff.com redirector.

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=creature+quest+kingdom+guide
    • http://files.limitlesslawnsprinklers.com/uploads/1/3/0/8/130874254/wipiwabamijixoz.pdf
    • http://bowulix.nicolaspapaart.com/uploads/1/3/2/3/132303382/5092483.pdf
    • https://cdn.shopify.com/s/files/1/0434/4712/4135/files/12400744291.pdf
    • https://cdn.shopify.com/s/files/1/0428/7492/9319/files/nemedakoxokedebaxazak.pdf
    • https://cdn.shopify.com/s/files/1/0461/9616/2711/files/ps_adm_adobe.pdf
    • https://cdn.shopify.com/s/files/1/0428/2934/9030/files/zolexamajetapujonoritola.pdf
    • https://cdn.shopify.com/s/files/1/0439/9307/1774/files/70977859051.pdf
    • https://cdn.shopify.com/s/files/1/0428/9472/1187/files/kipokazoresedifuxeguguj.pdf
    • https://cdn.shopify.com/s/files/1/0438/7966/1736/files/56785313659.pdf
    • https://cdn.shopify.com/s/files/1/0462/6769/5255/files/vemosidumig.pdf
    • https://cdn.shopify.com/s/files/1/0428/7424/1187/files/gosapuvapadekula.pdf
    • https://cdn.shopify.com/s/files/1/0432/9914/3838/files/55965057327.pdf
    • https://cdn.shopify.com/s/files/1/0431/3032/3101/files/35712649320.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_off00005c18.bin
da3ad17895dfce4957a344deea145241af4b85687dd61e0a8c1d355cfe1b550d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C18 5208 bytes
font_01_sfnt_off00006db1.bin
a4854be581460ae5941ef2efbab16d24dfc7dc64a0b65112821fb5af758dfb33		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DB1 10360 bytes

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