Malicious PDF — malware analysis report

Static analysis result for SHA-256 89aec6fa58c6ec46…

MALICIOUS

PDF

42.1 KB Created: 2020-08-30 02:57:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 874ac13f46c61277e789013895af0ab2 SHA-1: 20be38f4e04f6e0684f232edb58388e95a615bba SHA-256: 89aec6fa58c6ec4622d481f3a36e77a97719022deb8521ac584ad01a20204dc0
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 external links, a technique often used for SEO poisoning or to redirect users to malicious sites. One of the URLs, 'https://ttraff.cc/wix?keyword=destiny+2+leviathan+guided+game+beta', is flagged as a known malicious redirector. The document body, though heavily obfuscated, also contains this URL and other benign-looking PDF links, suggesting a lure to external content.

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.cc/wix?keyword=destiny+2+leviathan+guided+game+beta
    • https://static.usrfiles.com/ugd/b8c837_54b7dcf7a2be4aa09672ee1cf0f27ae1.pdf
    • https://static.usrfiles.com/ugd/5a1791_b56cfc5d62fa425882dc26dafdf808df.pdf
    • https://static.usrfiles.com/ugd/b8c837_a0f184f9bf4349768a38ab38577e1672.pdf
    • https://static.usrfiles.com/ugd/b8c837_7f726ef6f4fc4e1ab773155ee955dfe2.pdf
    • https://static.usrfiles.com/ugd/b8c837_2b546b7558644c3e81c4cf2baa630048.pdf
    • https://cdn.shopify.com/s/files/1/0434/2228/5976/files/22706224942.pdf
    • https://cdn.shopify.com/s/files/1/0430/6819/4978/files/37847695281.pdf
    • https://cdn.shopify.com/s/files/1/0430/5944/5914/files/spelling_worksheets_for_10_year_olds.pdf
    • https://cdn.shopify.com/s/files/1/0431/7518/2485/files/you_are_the_reason_piano_sheet_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/2450/6266/files/cyrano_de_bergerac_gratuit.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/papixusisijipe.pdf
    • https://cdn.shopify.com/s/files/1/0428/2961/1171/files/peaky_blinders_season_2_guide.pdf
    • https://cdn.shopify.com/s/files/1/0432/1555/2674/files/69819662129.pdf
    • https://cdn.shopify.com/s/files/1/0436/4494/4542/files/sepaw.pdf
    • https://cdn.shopify.com/s/files/1/0435/6410/5886/files/36195487815.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_off000064c3.bin
85c35b42514cf44bd833311fab5c34047ec34bd61cc90d83554d2f4480d22723		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64C3 5576 bytes
font_01_sfnt_off00007796.bin
c7455f39e1772e0700b021101a1a83bf9b9696fd84adca0acbe9b726633a584e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7796 10600 bytes

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