Malicious PDF — malware analysis report

Static analysis result for SHA-256 557a7d3e1482878a…

MALICIOUS

PDF

59.7 KB Created: 2020-08-29 22:39:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5281ef6dd34649012e8a080e6718503a SHA-1: c6cdf428c762c17252d0e448b422b83be8e27d26 SHA-256: 557a7d3e1482878abe5faa77373821be8e9e9d2368ec29fda6713799f0fbd333
128 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is associated with a lure for 'eurotrip movie download utorrent', suggesting a social engineering tactic to trick users into downloading malware. The document also contains a link farm heuristic, indicating a broader effort to distribute malicious content. The presence of a visual download button further supports the social engineering attack pattern.

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.com/wix?keyword=eurotrip+movie+download+utorrent
    • https://static.usrfiles.com/ugd/b8c837_61e119bca487421284204987d34357d4.pdf
    • https://static.usrfiles.com/ugd/b8c837_73f27eb718514f14964a172096bfde1c.pdf
    • https://static.usrfiles.com/ugd/b8c837_af6b54b025fe416da52ec83a393ae1ad.pdf
    • https://static.usrfiles.com/ugd/b8c837_99ba59804ab64eb4abdcbe0392892358.pdf
    • https://static.usrfiles.com/ugd/b8c837_dca248b2fdd34075aa563d43fe792528.pdf
    • https://cdn.shopify.com/s/files/1/0462/6264/8981/files/xusonag.pdf
    • https://cdn.shopify.com/s/files/1/0434/7301/0845/files/davolonuwa.pdf
    • https://static.usrfiles.com/ugd/b8c837_2da413f5cc3649dbbd2e5839352d23f0.pdf
    • https://static.usrfiles.com/ugd/b8c837_a13bc0e5fe34492085f4c3059a62117b.pdf
    • https://static.usrfiles.com/ugd/dd4472_38c9cec0c64b4c5a975c78a05bcda5d1.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008571.bin
048fb1891f432488516cd811e7b04d68e7d39e548ca3495625137f8fb0c23ff4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8571 6744 bytes
font_01_sfnt_off00009656.bin
15b8f3e552420172ca128918cb974293e9abe3ddcfc5b5be6d6130f0e1ce9b9d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9656 5036 bytes
font_02_sfnt_off0000a77b.bin
501120433d18c9bf5888fb5e726e3971f7489a85f557f31bf95887095230a6de		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA77B 10864 bytes
font_03_sfnt_off0000ccd0.bin
e9fe716c2abc985b12a899a49d5539e4e8be1b56d50c083b30290d85a2a7c848		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCCD0 16092 bytes

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