Malicious PDF — malware analysis report

Static analysis result for SHA-256 54b93795b8ba8dbd…

MALICIOUS

PDF

33.0 KB Created: 2020-08-31 07:28:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 52753231e404f45cfa793cf144b342fb SHA-1: ac2432c3f2b8608184e79ed7fb7f221f32231742 SHA-256: 54b93795b8ba8dbd2b02f921337bcd5e497da67d936ba90271b4e06696de96ea
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a PDF link to known malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.cc/wix?keyword=the+bartender%2527s+guide+to+gin+book. While many other links point to benign Shopify domains, the presence of the redirector suggests an attempt to lure users to a harmful destination, likely for phishing or malware distribution.

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=the+bartender%2527s+guide+to+gin+book
    • https://cdn.shopify.com/s/files/1/0432/7201/1932/files/84132353790.pdf
    • https://cdn.shopify.com/s/files/1/0434/3575/3639/files/99438463391.pdf
    • https://cdn.shopify.com/s/files/1/0433/5173/6488/files/dufegejedaxotaj.pdf
    • https://static.usrfiles.com/ugd/cc03df_1ddc779678b14d5987dc549d60435fef.pdf
    • https://static.usrfiles.com/ugd/2e4eb4_382e29f5605b4322956d811f99e6fec5.pdf
    • https://static.usrfiles.com/ugd/b8c837_2971500a16c6426c9a06f2667ab0b9e6.pdf
    • https://static.usrfiles.com/ugd/b8c837_190d8abef2c64a88b1d03a9bea354686.pdf
    • https://static.usrfiles.com/ugd/6d59ab_d2c326bdfd7d4906be304eb63321f38c.pdf
    • https://static.usrfiles.com/ugd/a2e20a_ddf65e46d00d4fa99cec90b6d5fcdd45.pdf
    • https://static.usrfiles.com/ugd/b8c837_d2f364a5180b4aecae29aac87ddfbe16.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_off000042c0.bin
5615c877662d60b8155962006197659da57ec165276e51b248deeac4dc09c738		 pdf-font-stream PDF embedded font (sfnt) at offset 0x42C0 5240 bytes
font_01_sfnt_off00005494.bin
3f1e0d7a768b1c8666b0cf1e1aca6cb60852e77211f780dc32dabaeea82fe8ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5494 10188 bytes

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