Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce3a8ea02a719263…

MALICIOUS

PDF

42.9 KB Created: 2020-08-11 17:16:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 45e5c5083a9c32f2b9860b6adc08425c SHA-1: 73de227c0aa2d635ea0e5dd293ec5458557a85b1 SHA-256: ce3a8ea02a71926316c6eda97515cd3b332b3ad7725e7401b08c9e869a878e18
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to a redirector service (ttraff.cc). This indicates a link farm designed to obscure the ultimate destination and potentially distribute malicious content or phish users. The primary malicious URL identified is https://ttraff.cc/pify?keyword=bean+bag+toss+rules+pdf, which is flagged as a known malicious 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.cc/pify?keyword=bean+bag+toss+rules+pdf
    • http://labeta.maisonbergdorf.ch/uploads/1/3/1/1/131164243/aa85d400da95879.pdf
    • http://files.leekindleforestry.com/uploads/1/3/1/4/131407635/zovujesodebubad-niwitu-lurepuwaxo.pdf
    • http://lefilivag.steffisaturdays.com/uploads/1/3/1/4/131409090/supuxa_magezibifuv_zojelos.pdf
    • https://cdn.shopify.com/s/files/1/0438/9571/8040/files/22568739496.pdf
    • https://cdn.shopify.com/s/files/1/0438/2579/1133/files/king_solutions_inc_endicia.pdf
    • https://cdn.shopify.com/s/files/1/0434/0721/2694/files/70293194737.pdf
    • https://cdn.shopify.com/s/files/1/0445/6900/2143/files/sociocultural_definition.pdf
    • https://cdn.shopify.com/s/files/1/0438/6439/1845/files/besuwatixuritedat.pdf
    • https://cdn.shopify.com/s/files/1/0432/4048/9122/files/accounting_for_shares_and_debentures.pdf
    • https://cdn.shopify.com/s/files/1/0430/7854/9665/files/mizofegonipoki.pdf
    • https://cdn.shopify.com/s/files/1/0431/4516/7008/files/lutedanovitabuxorosilam.pdf
    • https://cdn.shopify.com/s/files/1/0432/5428/4450/files/4114775396.pdf
    • https://cdn.shopify.com/s/files/1/0433/5439/0687/files/jovupedejokakul.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_off00006b2d.bin
8806198691b5225e5d47451269782c984b63ec9dd782ba303463404a27ce6df2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B2D 5396 bytes
font_01_sfnt_off00007d8c.bin
0c1021de1dca74ee1fab43102e4ad5fd9e1330d7b309da0bf11923d1be8c4d42		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D8C 9824 bytes

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