Malicious PDF — malware analysis report

Static analysis result for SHA-256 beaa2b359a845fb6…

MALICIOUS

PDF

269.5 KB Created: 2020-08-22 00:28:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b946502a8c5da0ed52c1e8033b58a5ee SHA-1: c10dfdce905ed7026b154ac85799a2ee2e28d5f5 SHA-256: beaa2b359a845fb6cd168fda92c15e019f6fab5ee606d0e1be6e34acf3834309
90 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=machinery+directive+blue+guide'. The document body, though heavily obfuscated, contains text that appears to be a lure related to a 'Machinery directive blue guide'. This suggests the primary attack pattern is social engineering to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 2

  • 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.
  • 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=machinery+directive+blue+guide
    • http://mitin.thelakeerieperch.com/uploads/1/3/1/4/131438577/11b3547a6f5af96.pdf
    • http://vagurawu.dianedailydose.com/uploads/1/3/1/0/131071258/e2bb8df.pdf
    • http://files.davemilbrandt.com/uploads/1/3/0/9/130969172/9048649.pdf
    • https://cdn.shopify.com/s/files/1/0435/0191/2224/files/74624054368.pdf
    • https://cdn.shopify.com/s/files/1/0432/2230/2888/files/57703895255.pdf
    • https://cdn.shopify.com/s/files/1/0428/9809/6284/files/71444845860.pdf
    • https://cdn.shopify.com/s/files/1/0430/9699/8041/files/vadogugitoganoxezaduve.pdf
    • https://cdn.shopify.com/s/files/1/0431/7210/2308/files/95754221113.pdf
    • https://cdn.shopify.com/s/files/1/0434/1671/5429/files/32339209842.pdf
    • https://cdn.shopify.com/s/files/1/0437/5491/3950/files/busosaxosamakuzixenole.pdf
    • https://cdn.shopify.com/s/files/1/0429/7365/9290/files/12422774602.pdf
    • https://cdn.shopify.com/s/files/1/0436/7450/1285/files/35900490878.pdf
    • https://cdn.shopify.com/s/files/1/0438/9984/6824/files/fundamentals_of_aquatic_toxicology.pdf
    • https://cdn.shopify.com/s/files/1/0430/4093/1991/files/66369298291.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_off0003eaf8.bin
cc3e65b028038f4cceabec07f9713111b1a989b47e55dd081f5bab27a6166a75		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3EAF8 5332 bytes
font_01_sfnt_off0003fd1b.bin
8aae61316df81ae292329a9feaa5d4b43ea0483efbf72d6d7f96e489c17d5e32		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3FD1B 12828 bytes

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