PDF malware analysis — malicious · 93902a4854e3a867

MALICIOUS

PDF

68.2 KB Created: 2020-09-02 00:04:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 364270c900e66cad86d1275fc88ac150 SHA-1: 1eb3868398cfa577a170c7592c9ba19040aee3ea SHA-256: 93902a4854e3a867703cd0d95f8a3ebe03e0c7026200e17d883c9635a1e5d76b

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link and a social engineering lure to install a browser extension. The embedded URL points to 'ttraff.com', which is flagged as malicious. The document body, though heavily obfuscated, contains this URL, suggesting it's the primary lure. The PDF also contains a large number of external links, potentially for SEO manipulation or to distribute further malicious content.

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=bootstrap+form+error+color
- https://cdn.shopify.com/s/files/1/0440/5441/3462/files/milady_chapter_5_theory_workbook_answers.pdf
- https://cdn.shopify.com/s/files/1/0440/4684/4054/files/23577850545.pdf
- https://cdn.shopify.com/s/files/1/0433/2378/5370/files/chuyn_i_nh_jpg_sang.pdf
- https://static.usrfiles.com/ugd/5cd33b_178709a197d14a5aa9c9bd304fdf5f77.pdf
- https://static.usrfiles.com/ugd/99b222_8055cac24f424aa9aea74e65df5bb2d6.pdf
- https://static.usrfiles.com/ugd/b4609a_0c6a70e606fb4655b40bdbbe928876d5.pdf
- https://static.usrfiles.com/ugd/1479de_728a7d359c1945299d9125e5604a9036.pdf
- https://static.usrfiles.com/ugd/3e9e83_9fd6db5f4f3e4d7f8e1c683fabb207fb.pdf
- https://static.usrfiles.com/ugd/529ba0_77839414727944a89eb7b9e592265cd0.pdf
- https://cdn.shopify.com/s/files/1/0430/4565/0586/files/sailing_to_byzantium_symbolism.pdf
- https://cdn.shopify.com/s/files/1/0440/0149/3142/files/36420048024.pdf
- https://cdn.shopify.com/s/files/1/0439/5555/2414/files/zudemenewepejoxevogigaf.pdf
- https://cdn.shopify.com/s/files/1/0431/2878/3002/files/jofoxupisumewerutoni.pdf
- https://cdn.shopify.com/s/files/1/0434/2795/4840/files/37672858183.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_off0000bdc0.bin` `78ed86fe15c7e7a6905f61766b1d7274ec8ffa043447285914995abc75c11a06`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBDC0	5212 bytes
`font_01_sfnt_off0000cf69.bin` `a0c05fd92891e4d55f1897d4e7ad131a79ab30461d1afe9680c1617c4d5a1a3e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCF69	16972 bytes

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