Malicious PDF — malware analysis report

Static analysis result for SHA-256 baee08d53dabda7b…

MALICIOUS

PDF

128.0 KB Created: 2020-08-30 02:38:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 58951fcc80e8de74f116569ec1501b5f SHA-1: 4e4528ca03aa1d80a60671127b568f03a3e7178b SHA-256: baee08d53dabda7b8051140135ee2648dac6c5dda240e1149dd1397dbb87b8ba
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify and other domains. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.cc/wix?keyword=curse+of+oak+island+episode+guide'. This suggests the document is part of a link farm designed to lure users to malicious sites, likely for phishing or malware delivery. The document body contains garbled text but includes the redirector URL.

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=curse+of+oak+island+episode+guide
    • https://cdn.shopify.com/s/files/1/0437/9531/6896/files/xodowajixobematawal.pdf
    • https://cdn.shopify.com/s/files/1/0434/4895/9142/files/lozefozepajapevigila.pdf
    • https://cdn.shopify.com/s/files/1/0433/1703/5166/files/cysteamine_melasma.pdf
    • https://cdn.shopify.com/s/files/1/0428/9842/3967/files/puwonekubenizaterevu.pdf
    • https://static.usrfiles.com/ugd/b8c837_c0580a59b5d24efdaaf91aa64aa08d9c.pdf
    • https://static.usrfiles.com/ugd/e2c250_5558ec2bc1dc4f4997c8c6ab10c4a425.pdf
    • https://static.usrfiles.com/ugd/4b68be_58ba408d660f40e4a82dccaf916e8154.pdf
    • https://static.usrfiles.com/ugd/b48b60_ad01e47122d9493d858c33b1d546584e.pdf
    • https://static.usrfiles.com/ugd/2e16aa_513dd9d0b1ab4a2e98740beb0e6cbce3.pdf
    • https://static.usrfiles.com/ugd/b8c837_857fd19f984e4c0fa702c7e3211b0246.pdf
    • https://static.usrfiles.com/ugd/b8c837_a206fa750d0b4ed9ba0f4970787080d1.pdf
    • https://static.usrfiles.com/ugd/e2c250_8e0a7bfd770747b890cd6f805d340fca.pdf
    • https://static.usrfiles.com/ugd/b98abb_b8fd4944455f45a6b6cbe024a308b2aa.pdf
    • https://static.usrfiles.com/ugd/0d9a50_c74214223a264e8eb1313d6033ab48d8.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_off0001b550.bin
09e337d4980c8f2f36c621d5c30fb6c4400e15a0b4cac8e759d3a40912795c42		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1B550 5180 bytes
font_01_sfnt_off0001c6fc.bin
51a4f4c5beeefd80d394afc80594f7957d0cd4a3a25c1717390d27ec7b187fe4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1C6FC 13564 bytes

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