PDF malware analysis — malicious · 82a800c5787918f5

MALICIOUS

PDF

42.3 KB Created: 2020-09-01 09:08:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: be16d503a29668ea607ea0d9a968aef1 SHA-1: 8c21c585cf50b75740a84b519ccd461ae3c76a71 SHA-256: 82a800c5787918f540777d50c8984071bf6718735deb64d7abd2e6faa5b0fd8d

160 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious Link T1566.002 Spearphishing Attachment

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. It also exhibits a PDF link farm heuristic, with many links pointing to Shopify-hosted PDFs. The document body, though heavily obfuscated, contains the malicious URL and appears to be a lure to install a browser extension or update to view content, a common social-engineering tactic. The primary intent is to redirect the user to a malicious site, likely for further exploitation or credential harvesting.

Heuristics 4

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.
Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE

Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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=to+aganara+tulasi+mu+audio+song
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/fosajumerepotufekag.pdf
- https://cdn.shopify.com/s/files/1/0430/8582/4164/files/bland_diet_spanish.pdf
- https://cdn.shopify.com/s/files/1/0432/2436/7262/files/57770462823.pdf
- https://cdn.shopify.com/s/files/1/0433/9027/1638/files/64311041827.pdf
- https://static.usrfiles.com/ugd/3bf302_73cc9fca48d646b7b3ed182d3178ace7.pdf
- https://static.usrfiles.com/ugd/8de238_4543a34efaa64b089e314432b1ec580b.pdf
- https://static.usrfiles.com/ugd/60933b_c2f37b79c6d64b6bb172eb823324c947.pdf
- https://static.usrfiles.com/ugd/b65acf_a6cf8ffa4ced449493725eff9e2a2e2a.pdf
- https://static.usrfiles.com/ugd/b8c837_1bb815f7052643ddb9520f07d89f548e.pdf
- https://static.usrfiles.com/ugd/d99ef3_b707bf45feab4742b695d3486877dd59.pdf
- https://static.usrfiles.com/ugd/b8c837_f233452c5c7f4ad3997400f5b8f625a5.pdf
- https://static.usrfiles.com/ugd/735189_21d448d5424e4acdbe514d5b62ec2569.pdf
- https://static.usrfiles.com/ugd/fd30ac_fd80a59dd33a44c9ac07f8ce8580131e.pdf
- https://static.usrfiles.com/ugd/5438e3_cfeb8b17270c441f8fca77532704d704.pdf
- https://static.usrfiles.com/ugd/c3548c_873a44862afb42c59890a5fd6de69478.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00006869.bin` `93d0c6c16a32918ae2c82d0a8207539b3b5af17d7534a893275cbd69cdacd1b8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6869	5092 bytes
`font_01_sfnt_off0000799c.bin` `0f3c373b111e710134410e815defde13e9b6613b9c3e30e0dec7787d61d5d635`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x799C	10300 bytes

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