Malicious PDF — malware analysis report

Static analysis result for SHA-256 569cf6d2c7fe8773…

MALICIOUS

PDF

39.5 KB Created: 2020-08-02 10:41:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5130a4d3c4acc02a0615651dd2bb6684 SHA-1: 7ded4baf8f52fc94887dfca1916e457bcc66b194 SHA-256: 569cf6d2c7fe87731d095d1b77cd8918862d7924bbbb19f2250c48543f6c4db1
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector infrastructure. The document body, though partially corrupted, suggests a lure related to a 'police report form'. The primary malicious IOC is the redirector URL, which likely leads to further malicious content.

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=police+report+form+pdf
    • http://files.franciaitaliaweddings.com/uploads/1/3/1/6/131637701/jiwugerodidajuluxigo.pdf
    • http://files.ledyardeducation.org/uploads/1/3/0/7/130739348/629b0.pdf
    • http://files.injami.com/uploads/1/3/2/3/132303388/radomazesusuxuwul.pdf
    • https://cdn.shopify.com/s/files/1/0432/6490/1284/files/15859163784.pdf
    • https://cdn.shopify.com/s/files/1/0432/1109/6221/files/nizunuguzigigimatiw.pdf
    • https://cdn.shopify.com/s/files/1/0434/4047/2214/files/jugivivoxakajadixemaxul.pdf
    • https://cdn.shopify.com/s/files/1/0430/0718/0954/files/gopepusosa.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rodol.pdf
    • https://cdn.shopify.com/s/files/1/0430/9070/6589/files/74026924949.pdf
    • https://cdn.shopify.com/s/files/1/0433/1870/6341/files/84554581427.pdf
    • https://cdn.shopify.com/s/files/1/0431/7321/6411/files/88764499478.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dedijadexurusefux.pdf
    • https://cdn.shopify.com/s/files/1/0432/8249/7696/files/94881569297.pdf
    • https://cdn.shopify.com/s/files/1/0432/7194/6398/files/98320811605.pdf
    • https://cdn.shopify.com/s/files/1/0432/4042/3592/files/lixawajukadumekovuzaro.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_off00005eeb.bin
1b5809cdfe1ee487c6653dd2184c3978be229e2cd8cb459e524dddfb72001bea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EEB 4912 bytes
font_01_sfnt_off00006f89.bin
cb0cebf3ddd110690a17583bac6afb846ec01b68d33c91d1744ef72a2456f241		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F89 9824 bytes

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