Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e2bb54f7f72dab7…

MALICIOUS

PDF

40.7 KB Created: 2020-08-30 11:24:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 875aca8c3ca6ef0cf81ac7d4e08e2b48 SHA-1: 903599649e6b0abc5d4b344b7c9e2e2b66e83cac SHA-256: 2e2bb54f7f72dab7b05c226f4ed72e53990ec71fdf14b8ec2029d4f199311806
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with a critical heuristic firing for PDF_SEO_LINK_FARM indicating a link farm. One of these links, https://ttraff.cc/wix?keyword=doubt+john+patrick+shanley+play+pdf, is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to this malicious URL, suggesting the primary intent is to redirect the user to malicious infrastructure.

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/wix?keyword=doubt+john+patrick+shanley+play+pdf
    • https://static.usrfiles.com/ugd/912de2_4916f76193a746a291e17f66d4c29539.pdf
    • https://static.usrfiles.com/ugd/6cfc61_cf18d61dc3e74f72a462e00672f0dcaa.pdf
    • https://static.usrfiles.com/ugd/95089d_ad5147fe7811469f818e55b2933a806a.pdf
    • https://cdn.shopify.com/s/files/1/0438/8998/3643/files/daily_ui_challenge_list.pdf
    • https://cdn.shopify.com/s/files/1/0429/6779/3820/files/boxikizusonovo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66491839223.pdf
    • https://cdn.shopify.com/s/files/1/0434/2281/0263/files/alexa_help_app.pdf
    • https://cdn.shopify.com/s/files/1/0430/6288/6549/files/lawoge.pdf
    • https://cdn.shopify.com/s/files/1/0432/8341/5204/files/giximuxowuragovadavuso.pdf
    • https://cdn.shopify.com/s/files/1/0432/1227/5870/files/using_social_media_in_the_workplace_to_communicate.pdf
    • https://cdn.shopify.com/s/files/1/0431/0371/5481/files/musegisonilesu.pdf
    • https://cdn.shopify.com/s/files/1/0435/2350/6336/files/jabudasame.pdf
    • https://cdn.shopify.com/s/files/1/0436/2141/7122/files/bossy_r_worksheets.pdf
    • https://cdn.shopify.com/s/files/1/0431/0456/7450/files/dapejanod.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_off00006148.bin
8ecb6079b2fcee84321163e2c62837831de341aa1ce7e1651b00f0b46a91795d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6148 5624 bytes
font_01_sfnt_off0000745f.bin
9169ee572b321fa84c01ae6a7e351cf5c304b2c5b837d299d9e91638407b42c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x745F 9816 bytes

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