Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc789fe7110502b0…

MALICIOUS

PDF

42.2 KB Created: 2020-08-30 09:50:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3b7d9b7efee21f4b3a50def7c1a44066 SHA-1: 803928f1b5e05caaca6cdb7cf14e496511836462 SHA-256: fc789fe7110502b03907d7da43c3e34bcea67689f218b76d35ca25d9a1011465
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to downloading movies and includes the same malicious URL. This suggests the PDF's primary purpose is to trick users into visiting the malicious site, likely for further exploitation or malware delivery.

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=descargar+your+name+espa%25C3%25B1ol+latino+mega+1080p
    • https://cdn.shopify.com/s/files/1/0434/2870/8519/files/4691607061.pdf
    • https://cdn.shopify.com/s/files/1/0434/1419/2285/files/calendar_2020_printable_with_holidays_malaysia.pdf
    • https://cdn.shopify.com/s/files/1/0432/5346/5243/files/fivamefomexa.pdf
    • https://cdn.shopify.com/s/files/1/0437/5543/8241/files/1348762942.pdf
    • https://cdn.shopify.com/s/files/1/0432/6152/6179/files/validity_and_reliability_in_research.pdf
    • https://static.usrfiles.com/ugd/26481d_7c6d856700f046e586dff2ed9eb67609.pdf
    • https://static.usrfiles.com/ugd/b8c837_05f288aff3d64d7496fe0bdac36ce92d.pdf
    • https://static.usrfiles.com/ugd/99965f_a814c007feaf4681bc3dd18fcdc8e8b6.pdf
    • https://static.usrfiles.com/ugd/b8c837_d236237e451a425fbad8ccf964879a07.pdf
    • https://static.usrfiles.com/ugd/b8c837_43940db074194fada2b71d292d73fb8a.pdf
    • https://static.usrfiles.com/ugd/b8c837_4641cd3f38434792bf12e4f0fd3a7cff.pdf
    • https://static.usrfiles.com/ugd/9e41f0_1754884d0efd4bf59e7d5bdaace71df2.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_off000050d1.bin
d436522ef417e5cbb465413c6250fc15a682ffd04db0f3c270daeb42bd931c2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x50D1 5952 bytes
font_01_sfnt_off000064bf.bin
5dd64f9dee4a71fc58ded27052bf8a148deea580323140017ec74d239797b729		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64BF 5544 bytes
font_02_sfnt_off00007710.bin
9b544e3a0b311828a4965f9ed052e78554f3f69487aa031b416b661e80d2ea2e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7710 10004 bytes

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