Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b11e5c36ab9c2f5…

MALICIOUS

PDF

54.6 KB Created: 2020-08-29 02:57:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3de57d8fc2612c1cef7ee0683ec11b38 SHA-1: f747148529057c7ca863690a2cee79cb10537422 SHA-256: 9b11e5c36ab9c2f5f2562a848954b7b6d8eb4cf45a748e0fb33ddc7615c0ed28
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, a significant portion of which point to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that triggers the malicious redirect. This suggests a phishing or scam attempt designed to redirect users to malicious infrastructure.

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.ru/wix?keyword=tecnicas+para+seducir+a+un+hombre+po
    • https://static.usrfiles.com/ugd/b8c837_f21874f4e02c488e9fd7f7abb3329ddd.pdf
    • https://static.usrfiles.com/ugd/b8c837_1d69c7d399f94881affe016278ab8de5.pdf
    • https://static.usrfiles.com/ugd/b8c837_e932bb83e56f44c2acd3c97be955dd67.pdf
    • https://static.usrfiles.com/ugd/b8c837_ae7da68bce8846499a4a1e36268d7291.pdf
    • https://cdn.shopify.com/s/files/1/0435/9297/4499/files/pokemon_x_citra_android_por_loquendo_frodo.pdf
    • https://cdn.shopify.com/s/files/1/0437/6874/2040/files/oracle_hyperion_financial_management_administrator_s_guide.pdf
    • https://cdn.shopify.com/s/files/1/0430/8130/2167/files/jizida.pdf
    • https://cdn.shopify.com/s/files/1/0432/2790/6206/files/benala.pdf
    • https://static.usrfiles.com/ugd/b8c837_c1266376baf84cf9b588fbbaa136fb84.pdf
    • https://static.usrfiles.com/ugd/b8c837_5f9c85f70c984a9ea71bcdac4e2a5f33.pdf
    • https://static.usrfiles.com/ugd/b8c837_59d9d69230334a6b8ca06d00fe49907e.pdf
    • https://static.usrfiles.com/ugd/b8c837_9a8115d787d74a518af13af3cde225b7.pdf
    • https://static.usrfiles.com/ugd/b8c837_2c43be371d9f4088b4c8a2eaa1a6e6f1.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_off000087e3.bin
16e3da704b99a398e28ed3d3f6719553ede657544887ef7ee9a180be1dcc6e72		 pdf-font-stream PDF embedded font (sfnt) at offset 0x87E3 5172 bytes
font_01_sfnt_off00009929.bin
6e62a55e6debd0969ff6c71e766700ea71ca8d0a3fd990d5d50256f5d93b180b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9929 11272 bytes
font_02_sfnt_off0000bdb5.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBDB5 4324 bytes

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