Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea706b049cf60e22…

MALICIOUS

PDF

43.2 KB Created: 2020-08-29 03:04:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3d0daabc83ade0e798027a22f1fa7923 SHA-1: 881c05e25f628f41b6e56b9cdae6f458a4dc9789 SHA-256: ea706b049cf60e22812542ce6f14ef05762ea65c49fe5e06f8bbf6a8fdaa8964
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, a technique often used to obscure malicious destinations or to engage in SEO poisoning. One of the primary links directs to a known malicious redirector, ttraff.com, which is likely intended to lead the user to a further malicious payload or phishing page. The document body itself is heavily obfuscated but contains the target URL and other Shopify links, suggesting a lure to external 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.com/wix?keyword=mountain+man+brewing+company
    • https://cdn.shopify.com/s/files/1/0431/3251/8549/files/bozopediseponeloxepel.pdf
    • https://cdn.shopify.com/s/files/1/0433/6277/9295/files/85375614726.pdf
    • https://cdn.shopify.com/s/files/1/0436/5543/0302/files/83241357048.pdf
    • https://cdn.shopify.com/s/files/1/0430/7845/1351/files/nedaf.pdf
    • https://static.usrfiles.com/ugd/b8c837_b8333e51fbd040d286aa09d763f6a548.pdf
    • https://static.usrfiles.com/ugd/b8c837_fc25af426ad04839a74d89c065067bb3.pdf
    • https://static.usrfiles.com/ugd/b8c837_4d449b3996d6457399ee79d7ab0a118c.pdf
    • https://static.usrfiles.com/ugd/b8c837_31e591a6907047dc93217a5834b16001.pdf
    • https://cdn.shopify.com/s/files/1/0434/4456/8216/files/domain_driven_design_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/6631/0299/files/batevenudiwevusa.pdf
    • https://cdn.shopify.com/s/files/1/0430/3169/1421/files/25312110434.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_off000069e9.bin
14ca1f1ffb4454d302cce17fe368fb867bb36cf7344127f7e8f4fe8b394d1c66		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69E9 5380 bytes
font_01_sfnt_off00007c45.bin
20cf23ed068fc78212740692c1363bbb89f3aeabffafe737cb7a7fd86581f2d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C45 10708 bytes

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