Malicious PDF — malware analysis report

Static analysis result for SHA-256 96445e5f69d26261…

MALICIOUS

PDF

70.0 KB Created: 2020-08-03 09:02:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3e2fef9a7dea668ead6b102b2dd95091 SHA-1: 68f2287fbf917105b70f8aae442b8d2bfa84a28f SHA-256: 96445e5f69d262618ced96ffd363625cbbea4766c44780d8e1a3baad24341001
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded URLs suggest a lure for a popular book, likely to trick users into downloading further malware. The PDF_SEO_LINK_FARM heuristic indicates a large number of links, likely for SEO manipulation or to host additional malicious 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/pify?keyword=unlimited+power+anthony+robbins+pdf+free+download
    • http://files.pressnellcreative.com/uploads/1/3/2/6/132683168/kumosejaduve.pdf
    • http://files.pruddlb.com/uploads/1/3/0/9/130969633/8558884.pdf
    • http://files.biblestudyleaders.com/uploads/1/3/1/8/131856917/zonokip.pdf
    • https://cdn.shopify.com/s/files/1/0430/4856/6933/files/bumodef.pdf
    • https://cdn.shopify.com/s/files/1/0436/9947/0490/files/80420540647.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40133843423.pdf
    • https://cdn.shopify.com/s/files/1/0431/8514/3969/files/85762328180.pdf
    • https://cdn.shopify.com/s/files/1/0437/2178/5498/files/bomavewobagaxidabosibo.pdf
    • https://cdn.shopify.com/s/files/1/0432/1896/0545/files/fuzifosajimuf.pdf
    • https://cdn.shopify.com/s/files/1/0429/3722/1276/files/futitunir.pdf
    • https://cdn.shopify.com/s/files/1/0438/4745/0789/files/sekofipasosekutizefoga.pdf
    • https://cdn.shopify.com/s/files/1/0428/8416/9894/files/legafesipinimokupitok.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_off0000d3f2.bin
ad6351dc1a68bcff445c3fb24be642af2f35f0cc702a51e7db393034b201a64b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD3F2 5608 bytes
font_01_sfnt_off0000e6e5.bin
a88522218cd3d35079b5f0b59f984ff14acf1ec4404333e5b9b491b7e0747b23		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE6E5 10804 bytes

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