Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd060e1f7c4da5ce…

MALICIOUS

PDF

40.0 KB Created: 2020-08-23 01:49:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5101f7d1a5b503281cc14bc3494b8563 SHA-1: a390a5f57e1beb93816ef36110a646e846eaab17 SHA-256: cd060e1f7c4da5ce8b33247788b73ecb8e1b4752127073118a7838ac66a89b4c
120 Risk Score

Malware Insights

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

The PDF file contains numerous links, with one specifically pointing to a known malicious redirector at 'https://ttraff.ru/pify?keyword=map+of+us+states+and+capitals+pdf'. This indicates an attempt to direct users to malicious content under the guise of providing information. The presence of a link farm heuristic further supports the malicious intent of distributing links.

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.ru/pify?keyword=map+of+us+states+and+capitals+pdf
    • http://files.pinpoint-pt.com/uploads/1/3/0/8/130874317/gezapex-kolivov-kinamexolugip-rixuxogom.pdf
    • https://cdn.shopify.com/s/files/1/0434/0423/0805/files/browserify_transform_babel.pdf
    • https://cdn.shopify.com/s/files/1/0438/4797/5062/files/56121229080.pdf
    • https://cdn.shopify.com/s/files/1/0431/4100/5480/files/73758837364.pdf
    • https://cdn.shopify.com/s/files/1/0427/9812/1119/files/42250041912.pdf
    • https://cdn.shopify.com/s/files/1/0445/8338/7295/files/ophelia_lumineers_piano_sheet_music_free.pdf
    • https://cdn.shopify.com/s/files/1/0432/3419/7666/files/dofiler.pdf
    • https://cdn.shopify.com/s/files/1/0434/2287/5797/files/extended_ascii_code.pdf
    • https://cdn.shopify.com/s/files/1/0440/0473/7174/files/40490485344.pdf
    • https://cdn.shopify.com/s/files/1/0433/7513/2824/files/84088541112.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_off00005e69.bin
56ba8c90880618d1dcd83a4fa9ae6ab5269d7c71c2b8bbfebbb4d0333d697cb8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E69 5056 bytes
font_01_sfnt_off00006fb4.bin
d19a51fb7449077b8d00adb0284a6d9b8c77890dcd1cadf2678f955f1b420fcf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FB4 10528 bytes

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