Malicious PDF — malware analysis report

Static analysis result for SHA-256 3734dcf73f514039…

MALICIOUS

PDF

43.1 KB Created: 2020-09-01 06:11:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5578f0080848280c96a37d622fcf50be SHA-1: 809db740f603311f06f4a4a00d371a304ac2fa24 SHA-256: 3734dcf73f5140394f7f6d7b909e588944bfe7cf5fdc5be1818af143d17e87ac
120 Risk Score

Malware Insights

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

The PDF file contains numerous links, many of which point to Shopify domains, but one critical link redirects to a known malicious domain (ttraff.cc). This suggests a social engineering attempt to lure users to a malicious site, possibly for further exploitation or credential harvesting. The document body, though heavily corrupted, contains the phrase 'Eclipse's apparel guide' and the malicious URL, reinforcing the lure.

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=eclipse%2527+s+apparel+guide
    • https://cdn.shopify.com/s/files/1/0434/6360/6437/files/linuduwura.pdf
    • https://cdn.shopify.com/s/files/1/0430/8844/5604/files/62347746790.pdf
    • https://cdn.shopify.com/s/files/1/0431/6105/9482/files/gojobas.pdf
    • https://cdn.shopify.com/s/files/1/0432/4858/2820/files/kemogokubidipejade.pdf
    • https://cdn.shopify.com/s/files/1/0430/7743/5556/files/49950069249.pdf
    • https://static.usrfiles.com/ugd/b8c837_022441e0a6994c79b7f1fd4cfe042bb1.pdf
    • https://static.usrfiles.com/ugd/b8c837_ca91cc97376745d98c048c52bc7d3e1c.pdf
    • https://static.usrfiles.com/ugd/b8c837_f0018bb3149a436194e978a19552e0c3.pdf
    • https://static.usrfiles.com/ugd/b8c837_36fb915e0096447898b6b4d3571db319.pdf
    • https://static.usrfiles.com/ugd/6c032c_a99f5849306a4dd185eb9cabfbc2110b.pdf
    • https://static.usrfiles.com/ugd/81d6a4_b2e46532bbb642f5a9a6b48b08ff1ad2.pdf
    • https://cdn.shopify.com/s/files/1/0436/1610/8701/files/gemoli.pdf
    • https://cdn.shopify.com/s/files/1/0437/1077/5464/files/wide_text_generator.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_off00006596.bin
905d19b0598488dd14713427033a821e011be4a8be029c0fed4a983f001e3052		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6596 5232 bytes
font_01_sfnt_off0000777c.bin
7c44f437a0c8d3775d613f40686ccb5c5bda8c8f69df5e9d92acddd4a29a2721		 pdf-font-stream PDF embedded font (sfnt) at offset 0x777C 11932 bytes

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