Malicious PDF — malware analysis report

Static analysis result for SHA-256 d54c04bdb2deb15d…

MALICIOUS

PDF

51.0 KB Created: 2020-08-31 00:08:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: eb4de5d458b878b90edf07723c51e31b SHA-1: 133a716d6937373ef79ceacd5fe091562a5e166b SHA-256: d54c04bdb2deb15da5bef7c38c070995d2cae7f45492c79b8eca5d3309a65997
130 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, a technique often used in SEO poisoning or to distribute malicious content. One of the primary links, 'https://ttraff.cc/wix?keyword=fallout+new+vegas+performance+enb', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to URLs, reinforcing the malicious redirector finding. The presence of a download button lure further supports a malicious intent.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=fallout+new+vegas+performance+enb
    • https://cdn.shopify.com/s/files/1/0431/2052/5469/files/zetunezodabogotil.pdf
    • https://cdn.shopify.com/s/files/1/0431/2940/5600/files/robopomevavata.pdf
    • https://cdn.shopify.com/s/files/1/0450/5042/9598/files/understanding_mental_health_disorders.pdf
    • https://static.usrfiles.com/ugd/b4609a_4ea9b24592a44b84b7f9255d4df5c580.pdf
    • https://static.usrfiles.com/ugd/cbe7f7_fbc0d71c190b46dc8d7dd457dcbdf507.pdf
    • https://static.usrfiles.com/ugd/b8c837_1d5a2dd33e8f4870ade6ce14afcca3b6.pdf
    • https://static.usrfiles.com/ugd/0df15e_9674b8c4e4dd4b1a88285b508dc17948.pdf
    • https://static.usrfiles.com/ugd/906e9f_61bbe67c19ec43c5b1addf76a6a099d2.pdf
    • https://static.usrfiles.com/ugd/e5a943_cd67f418fde943f09b1cda458cfe074d.pdf
    • https://static.usrfiles.com/ugd/07625c_cfb5a0cdba084a759a184fa4adb0078f.pdf
    • https://static.usrfiles.com/ugd/a91264_8f241888dca3485cadccba28aea9794c.pdf
    • https://static.usrfiles.com/ugd/73cb9e_eb79d8b02d6c4c4ab0f1ec7cda2cfa6e.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_off00007b0f.bin
66ce18e39d884b9ee0023933d5046d5a07091d1c4d123f37173d75026f3fd347		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B0F 5584 bytes
font_01_sfnt_off00008e17.bin
2d65f00253987ae280a50b2a90dad408f73f83308ac721a9ba87f4fec10ecdfe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E17 14936 bytes

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