Malicious PDF — malware analysis report

Static analysis result for SHA-256 50f93c0328a6fa9e…

MALICIOUS

PDF

43.5 KB Created: 2020-08-29 10:44:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 91da5c706d13bf3ffbb6b3bf8d6feeca SHA-1: 3d5bc18955687dc5c667d90eb3ea0a3013595ac1 SHA-256: 50f93c0328a6fa9ea4e0556a7daad0032ac2d63f47dfe42a737450092c75851b
120 Risk Score

Malware Insights

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

The PDF file contains a link farm and a malicious redirector, indicating an attempt to drive traffic to potentially harmful sites. The document body, though partially corrupted, contains text suggesting a lure related to hacking email addresses. The primary malicious URL identified is ttraff.com, which is flagged as a malicious redirector.

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=comment+pirater+une+adresse+mail
    • https://static.usrfiles.com/ugd/b8c837_3b732ad22ae3410e89ffb1f879cbb5d0.pdf
    • https://static.usrfiles.com/ugd/b8c837_9015b1e3454d4fabb526a9633a00aa3b.pdf
    • https://static.usrfiles.com/ugd/b8c837_e7ab0ccc24204598bf500f7b5bbfb89d.pdf
    • https://cdn.shopify.com/s/files/1/0434/6137/8212/files/34231077760.pdf
    • https://cdn.shopify.com/s/files/1/0429/9476/1877/files/wexurosodimakukex.pdf
    • https://cdn.shopify.com/s/files/1/0437/5199/7592/files/fuvivelukitujagurif.pdf
    • https://static.usrfiles.com/ugd/b8c837_7cc36106e2834259a1f5c8f6c8c4e637.pdf
    • https://static.usrfiles.com/ugd/b8c837_01a89b886dc64d71812895460bb1719c.pdf
    • https://static.usrfiles.com/ugd/b8c837_f0399f1c325e49ca92deb8a417af3e14.pdf
    • https://cdn.shopify.com/s/files/1/0436/5395/5742/files/47597584669.pdf
    • https://cdn.shopify.com/s/files/1/0432/2181/1364/files/58622841720.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41732402988.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bepojarovizezeba.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005b0a.bin
ff17a2afb3a6084073e1e65dac0db7ea5d9a0a8f8eb515f1dfbb826deaf2b1fd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B0A 5012 bytes
font_01_sfnt_off00006bea.bin
955193636cc96f4ba07d6c8d34e0c1e95b1086c02857793cf67eae966f421c6e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BEA 11828 bytes
font_02_sfnt_off00009174.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9174 4324 bytes

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