Malicious PDF — malware analysis report

Static analysis result for SHA-256 b8ad8794f765c6ad…

MALICIOUS

PDF

45.8 KB Created: 2020-09-01 05:54:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c0ef8c14e2b91015c71484c42a9be1c6 SHA-1: b7b61c7a11f7cacdc87db31243ee459232328a29 SHA-256: b8ad8794f765c6ad7f4b9ea2e3b36fb216311e015ec32bc801cde4d54fc534ad
150 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'Arya 2 movie songs in tamil' and the malicious URL, suggesting a lure to trick users into clicking the link. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, likely for SEO manipulation or to distribute the malicious payload. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=arya+2+movie+songs++in+tamil
    • https://cdn.shopify.com/s/files/1/0430/1501/2511/files/74428287830.pdf
    • https://cdn.shopify.com/s/files/1/0436/1119/3501/files/james_burke_connections.pdf
    • https://cdn.shopify.com/s/files/1/0433/1733/0075/files/blessed_be_your_name_g.pdf
    • https://static.usrfiles.com/ugd/c3f88d_c78e72d3816346409341a2f9faf604b8.pdf
    • https://static.usrfiles.com/ugd/ec0c41_4cb622dd81e94dea8c0bc2e75400898a.pdf
    • https://static.usrfiles.com/ugd/4dd980_6b05ed432e7a4916811bfec39cbb8b14.pdf
    • https://static.usrfiles.com/ugd/b8c837_04b0933842df460fb8c32da42da8c17f.pdf
    • https://static.usrfiles.com/ugd/576447_3e3a9a12d9154279b872bed2e84624e3.pdf
    • https://static.usrfiles.com/ugd/6f7357_318931adf7c54d8286e8475ad729a4e6.pdf
    • https://static.usrfiles.com/ugd/b8c837_3ede15f17ca34456a53d40cdf02c80d6.pdf
    • https://static.usrfiles.com/ugd/3aee12_d0d92d78f0634ee4938014254ce83ded.pdf
    • https://static.usrfiles.com/ugd/4f270c_dfb8aa8484624afc9eff04754ffc5224.pdf
    • https://static.usrfiles.com/ugd/917232_5c57588a3eb94566a093f82508017d09.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_off00006583.bin
0493cbc896fd5b30120a1314f17a4516844cca7e1a30ac5ddd462491b7fbd0a8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6583 5076 bytes
font_01_sfnt_off000076b6.bin
4aadf8e9939cde63825b9644b259ea55dddef338bd00f189ad3ce7685d5bb1d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76B6 11044 bytes
font_02_sfnt_off00009c68.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9C68 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.