Malicious PDF — malware analysis report

Static analysis result for SHA-256 eee351add99545f0…

MALICIOUS

PDF

56.2 KB Created: 2020-08-31 19:03:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8b4893013ee6971d983b33a3d88a2b81 SHA-1: 73806b85aa87a5535bc9747752767de6c8218661 SHA-256: eee351add99545f04b3a1deed71fbd5efbec148ac8821959637d87623a80c996
120 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to '18 gauge sheet metal mm' and the malicious URL, suggesting a lure to a potentially harmful site. The PDF_SEO_LINK_FARM heuristic indicates the presence of numerous external links, further supporting the malicious intent of directing users to external resources.

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=18+gauge+sheet+metal+mm
    • https://static.usrfiles.com/ugd/f8de3e_f2779ad882454b4d98c1f9d5fc6e2f24.pdf
    • https://static.usrfiles.com/ugd/5d2cf3_d98a4c040af148059bae95dc9565511e.pdf
    • https://static.usrfiles.com/ugd/b8c837_65753c6de48c4181ab587ea8a8e608a2.pdf
    • https://cdn.shopify.com/s/files/1/0435/6702/2239/files/ronepujudu.pdf
    • https://cdn.shopify.com/s/files/1/0428/5107/4214/files/80167413952.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pajovi.pdf
    • https://cdn.shopify.com/s/files/1/0439/4778/6398/files/18185882907.pdf
    • https://cdn.shopify.com/s/files/1/0440/5726/4280/files/tigazutixed.pdf
    • https://static.usrfiles.com/ugd/b8c837_b666f057f9024753a974a981014e7577.pdf
    • https://static.usrfiles.com/ugd/b8c837_e6a7acd930df4189b0463412e8d27f4b.pdf
    • https://static.usrfiles.com/ugd/97634b_193f823078e04e3a98c15875cb611d23.pdf
    • https://static.usrfiles.com/ugd/c162b3_cc7ddfe1ec4340828281b667ab52d881.pdf
    • https://static.usrfiles.com/ugd/b8c837_207b4d899bf84769bf205cc39dfc9b4f.pdf
    • https://static.usrfiles.com/ugd/7598fa_110e6b19a4b9419487ae7bf93dff4f92.pdf
    • https://static.usrfiles.com/ugd/fb83f1_4cee8783f003464183b3b9dca4cd655c.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_off00009cfa.bin
5ea4ec5c83fe73178c41bebcc418f57cdd160bb39b7e5e39375e6c905da0528c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9CFA 5152 bytes
font_01_sfnt_off0000ae5e.bin
c9f613cffd22f423b5abf56329dcca00b838696c96ae612076b5b487d2a27bfd		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAE5E 11380 bytes

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