Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3d0e71666185f2e…

MALICIOUS

PDF

42.2 KB Created: 2020-09-02 01:18:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4c2df34b41663150879b9aae9c02254e SHA-1: d25f714226cea2f38594d99c6ff9292f02071191 SHA-256: e3d0e71666185f2e0d01f4b88e8c9317ea1e96cf53d2486175d7b202852048d5
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/wix?keyword=hyper+light+drifter+monolith+guide'. This link is presented within the document body, suggesting a social engineering lure to trick users into visiting a potentially harmful site. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify domains, likely to obscure the malicious intent. No scripts were extracted from this sample.

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=hyper+light+drifter+monolith+guide
    • https://static.usrfiles.com/ugd/8ebb60_a2ea779a5a58466bb01a2ab7f8f3a77c.pdf
    • https://static.usrfiles.com/ugd/7041e4_a1530741f0a24aff8471343e90193e4f.pdf
    • https://static.usrfiles.com/ugd/7e0eb0_6a81568aec434477a875ac477be5bfc7.pdf
    • https://static.usrfiles.com/ugd/270e53_1eef088b6e8642dd8466a3c8c558e6b2.pdf
    • https://cdn.shopify.com/s/files/1/0431/1403/7397/files/belajijasizote.pdf
    • https://cdn.shopify.com/s/files/1/0440/7109/2376/files/latex_document_class.pdf
    • https://cdn.shopify.com/s/files/1/0430/6770/3450/files/useful_idioms_in_english.pdf
    • https://cdn.shopify.com/s/files/1/0432/7663/2217/files/abeyance_verb_form.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/redukenedobitaguwowok.pdf
    • https://cdn.shopify.com/s/files/1/0431/7013/6220/files/weber_s_big_book_of_grilling.pdf
    • https://cdn.shopify.com/s/files/1/0434/0314/9477/files/danoxubutaxologuxavurum.pdf
    • https://cdn.shopify.com/s/files/1/0437/8905/8209/files/organic_compounds_containing_nitrogen_class_12_notes.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_off000067f2.bin
c158cb0c316314b59229a90216d9e814a170fc8739b05ef9c8454e21d94d5dbc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67F2 5128 bytes
font_01_sfnt_off00007948.bin
42111884af7900602a86b5dbb257b3b72dd65173cb0c308f5287360f1111b97f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7948 10240 bytes

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