Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff1da35aa002b603…

MALICIOUS

PDF

43.4 KB Created: 2020-09-09 01:06:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 03bfd3e8a9485ed63119857bbaf6842e SHA-1: e8cde1e8072eece231e40e747602ee6e218cde1c SHA-256: ff1da35aa002b60349f94542a3e62f570c50b1dc56452d52a2a77c9653d5648a
150 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.cc, disguised as a legal article. This suggests a phishing or social engineering attack aimed at redirecting the user to a malicious site. The presence of a link farm further indicates an attempt to distribute malicious content or manipulate search engine results. No scripts were extracted, limiting the analysis of direct payload execution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=magistrates+sentencing+guidelines+bladed+article
    • https://static.usrfiles.com/ugd/22bf55_d300b01f26dc49db86be86ab94ce422b.pdf
    • https://static.usrfiles.com/ugd/cfbfd2_157738ccea764cd784ffd13f1f7707f3.pdf
    • https://static.usrfiles.com/ugd/60933b_809dfe713b9044aba18068e76b564b90.pdf
    • https://static.usrfiles.com/ugd/54fa57_9cbe7b1eb01c47519339c705d294c769.pdf
    • https://static.usrfiles.com/ugd/4c76bf_e42284ca4ffe4982aeb170ef51004351.pdf
    • https://static.usrfiles.com/ugd/ab922d_54040158866948fd9c2511175d1a99a2.pdf
    • https://static.usrfiles.com/ugd/b8c837_067fd5a819054fd1a5076994dc77ec65.pdf
    • https://static.usrfiles.com/ugd/b8c837_c97d650ad7d44f28b86e8513a051f3d3.pdf
    • https://static.usrfiles.com/ugd/77eba6_a948cda9aef44ddc82d03fb991dfee65.pdf
    • https://cdn.shopify.com/s/files/1/0464/6620/3806/files/sanejunexezakatabosiv.pdf
    • https://cdn.shopify.com/s/files/1/0428/6906/3836/files/75209925942.pdf
    • https://cdn.shopify.com/s/files/1/0431/1446/3394/files/sabokugerixevaxarerela.pdf
    • https://static.usrfiles.com/ugd/4733ca_0f095f44d3ee453086979f04c9f4fcd8.pdf
    • https://static.usrfiles.com/ugd/e2f197_18b69f346bad4adb9c23b55d17b5f408.pdf
    • https://static.usrfiles.com/ugd/0cd3a8_96ee4dcf5a3040e78820264ea594d1ff.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_off00006c6d.bin
854b2e887b1e0a5748fc0b6de6111335b1c36428f17dfb465dbb1c31673b092e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C6D 5252 bytes
font_01_sfnt_off00007e61.bin
f4fd86a323238fdec360767c33e3ee6cd954e202995220022caf7e8c44364fcc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E61 9964 bytes

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