Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e67dd87c3e13f53…

MALICIOUS

PDF

45.7 KB Created: 2020-08-30 21:39:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 430f4bf16c5a11e7a36286c855668e3b SHA-1: d7f0258acd05d4e1b08683b3fde92f72998a20c0 SHA-256: 8e67dd87c3e13f537610509ca383adc50c77e6b94ad13f7c6815ed26756ad975
120 Risk Score

Malware Insights

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

This PDF document contains a mass external link farm, with one critical link pointing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be a lure for a men's beard trimming service, likely intended to trick users into clicking the malicious link. The presence of numerous benign-looking PDF links suggests an attempt to blend malicious activity with legitimate 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/wix?keyword=men%2527s+beard+trimmed
    • https://static.usrfiles.com/ugd/b8c837_322e4f4a2bfd41cbb1aa844cf6c76590.pdf
    • https://static.usrfiles.com/ugd/26938b_34fc5ae6eb514a3096e130841a572a12.pdf
    • https://static.usrfiles.com/ugd/b8c837_5862d2c5c5884edd852281edacd75649.pdf
    • https://cdn.shopify.com/s/files/1/0431/2327/7973/files/79917621314.pdf
    • https://cdn.shopify.com/s/files/1/0437/6372/8545/files/18233728234.pdf
    • https://cdn.shopify.com/s/files/1/0433/9426/9333/files/fotubesazojukajavo.pdf
    • https://cdn.shopify.com/s/files/1/0430/8720/0418/files/siwujukobivogifujorogo.pdf
    • https://cdn.shopify.com/s/files/1/0431/8163/7794/files/libixefarap.pdf
    • https://cdn.shopify.com/s/files/1/0433/7732/8286/files/kotazuzuxarobetakesememul.pdf
    • https://cdn.shopify.com/s/files/1/0435/7786/8443/files/first_information_report_sample.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_off00007388.bin
72bb06fd0f8c927a6c6f29a790465b56d98955ffe89934a8d2e4690b149f2de7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7388 5116 bytes
font_01_sfnt_off000084dc.bin
a06dba4db5e1c75520ee8db720445c6b935f1dd40ddc4c630f9781ff3bffae8d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84DC 10688 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.