Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ef95c404832f79f…

MALICIOUS

PDF

42.0 KB Created: 2020-09-01 10:23:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 63bf5955e72d89d0d597653c618e6840 SHA-1: 5d240e96ee6821ba2392ce847820c93ff6ff061d SHA-256: 2ef95c404832f79f92223701ddf23a2b8685631b33446c0ff7a705333480add4
128 Risk Score

Malware Insights

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

The PDF file contains a malicious redirector link disguised as a download button, intended to lure the user to a malicious site. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the presence of a link to known malicious infrastructure. The PDF_SEO_LINK_FARM heuristic indicates the document is part of a link farm, likely for SEO manipulation or to distribute malicious content. The document body contains text related to 'Travel magazine layout pdf' and includes the malicious URL, reinforcing the lure.

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=travel+magazine+layout+pdf
    • https://static.usrfiles.com/ugd/e8506d_b48b3077f5a7433fbf340d9c91c3d944.pdf
    • https://static.usrfiles.com/ugd/b8c837_685c5de96c4c4fb7b9e312da8da0a627.pdf
    • https://static.usrfiles.com/ugd/7e0eb0_dd7159c93ea847519d00d9b351110c70.pdf
    • https://static.usrfiles.com/ugd/b8c837_bd29af2cda4b42aeb0c1fdd42b758843.pdf
    • https://static.usrfiles.com/ugd/bd5c68_3dbae716a7de47e2a27cad53115c739e.pdf
    • https://cdn.shopify.com/s/files/1/0437/7441/0910/files/77614632139.pdf
    • https://cdn.shopify.com/s/files/1/0437/0553/2569/files/sejujaxabufowole.pdf
    • https://static.usrfiles.com/ugd/9b7d8a_b11e22d9438f4c228fad50bbcdb95501.pdf
    • https://static.usrfiles.com/ugd/b8c837_77a28d23e4884018bdace19f74a42eff.pdf
    • https://static.usrfiles.com/ugd/8b49c6_bc0e48e59b914ddc8f4ae52b0b4a55dc.pdf
    • https://static.usrfiles.com/ugd/b8c837_23d4e0d7390145788bea8d2e38bd1cc9.pdf
    • https://static.usrfiles.com/ugd/f55bec_b26c02227be04e0c84afab8d1d47e626.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_off000065c5.bin
f3b29470c3b8b70e12bfbe9ba09ed4cf7d039557b5408ee86f1847421afccc9e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65C5 5344 bytes
font_01_sfnt_off000077f5.bin
14fea6340f82d681d31bcfc3b86d16f751e06f1469f76e26bc8eda6b78948bee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77F5 10328 bytes

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