Malicious PDF — malware analysis report

Static analysis result for SHA-256 b55846f4fcdcf916…

MALICIOUS

PDF

40.4 KB Created: 2020-08-31 08:07:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6c8ea21db19b2b0e26305f3ebf851750 SHA-1: 62670ac30776c2e53da027104ccee3cc9cbd0f7b SHA-256: b55846f4fcdcf9161be3bc07df01537f0a82d59a9df216a456356a14f0e46db2
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.club/wix?keyword=the+law+of+attraction+michael+losier'. This URL is presented within the document body, suggesting a social engineering lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify and static.usrfiles.com, likely for SEO manipulation or to obscure the primary malicious destination. 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.club/wix?keyword=the+law+of+attraction+michael+losier
    • https://cdn.shopify.com/s/files/1/0431/3550/0439/files/microsoft_word_boat_bill_of_sale_template.pdf
    • https://cdn.shopify.com/s/files/1/0430/9948/8410/files/dowetawodokugawelopeted.pdf
    • https://cdn.shopify.com/s/files/1/0427/4946/0636/files/aadhar_card_download_file_password.pdf
    • https://cdn.shopify.com/s/files/1/0437/8414/3010/files/70238917419.pdf
    • https://cdn.shopify.com/s/files/1/0437/2715/9445/files/filemaker_server_installation_guide.pdf
    • https://static.usrfiles.com/ugd/b8c837_072b4975e4c64ac4a3ebded16938a1e0.pdf
    • https://static.usrfiles.com/ugd/808d8c_2bf7fc0d343f425b814cb5c9030f040e.pdf
    • https://static.usrfiles.com/ugd/b8c837_71ee7a45dfad423e9b5932f2d52fef28.pdf
    • https://static.usrfiles.com/ugd/b8c837_65257470cdfa4353843b286775c9c074.pdf
    • https://static.usrfiles.com/ugd/8ab72e_4082834ec14d45da921e3455db0bb93f.pdf
    • https://static.usrfiles.com/ugd/e4a001_58a14d4c387b42e59b65c1a586db00eb.pdf
    • https://static.usrfiles.com/ugd/cb2bed_b367c63e6a66430a9e9d5cd875fc5c75.pdf
    • https://static.usrfiles.com/ugd/9b7d8a_7cd0176c4b37487bbc0764518a90db5b.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_off00006123.bin
610ab2fd9599250c18bdb76d17fea711a231b4073a2e8474057e1bd5a38630ae		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6123 5160 bytes
font_01_sfnt_off0000729a.bin
85f04c681293a5118cd51aec1b7060fa37fec78d98d43569be307c69ce6be51b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x729A 10120 bytes

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