PDF malware analysis — malicious · f1af0aeb0ee7e9ad

MALICIOUS

PDF

47.3 KB Created: 2020-08-31 14:00:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6fa0ec3f33a175c8d6bdf6d14625cf29 SHA-1: 6b1d085181f3bef0cd34f6dece2f034cf2e4af5e SHA-256: f1af0aeb0ee7e9ade72b93007eebd8ea9201d519ba5c72c82178fa4afd840f66

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, which points to a URL designed to lure users with a search query for a UPS manual. The document body, though heavily obfuscated, contains the same URL and text, reinforcing the lure. The presence of numerous other benign PDF links suggests a link farm or SEO poisoning attempt to increase visibility of the malicious URL.

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.me/wix?keyword=manual+apc+smart+ups+1500
- https://static.usrfiles.com/ugd/16a96a_957a53be03b0463ea66edfa2532987b6.pdf
- https://static.usrfiles.com/ugd/b8c837_f998caf58f444d5c9ba04198824a294b.pdf
- https://static.usrfiles.com/ugd/0c41e7_311b56f0e4da4d4d94c3ce7b49afe2c7.pdf
- https://cdn.shopify.com/s/files/1/0428/0880/3495/files/71191118345.pdf
- https://cdn.shopify.com/s/files/1/0431/0623/8613/files/85072907394.pdf
- https://cdn.shopify.com/s/files/1/0433/5095/0041/files/avivamento_na_rua_azuza.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/31968244380.pdf
- https://cdn.shopify.com/s/files/1/0431/8697/8984/files/45733822027.pdf
- https://static.usrfiles.com/ugd/0aab01_1038155971b04803bcaca453ec1fdd1c.pdf
- https://static.usrfiles.com/ugd/f459ea_4ce7bd2107d84cfabbec5ecf9a3564cc.pdf
- https://static.usrfiles.com/ugd/822ecd_32085088f3bb4bc1aebe408b26715276.pdf
- https://static.usrfiles.com/ugd/724fb5_e61f515ee4af434e809b15e4765faa31.pdf
- https://static.usrfiles.com/ugd/6260fe_92b6dfac0dfc4cf0a7960219d7db25a3.pdf
- https://static.usrfiles.com/ugd/3ce946_4434ed5c06c94ab7af86a388b10273c7.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/
- https://static.usrfiles.com/ugd/724fb5_e61f515ee4af434e809b15e476

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005e4c.bin` `8515fec1879ead7d03f33bf804d29ab08e4160e9a98c2aa4f7d7a959f53c523f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E4C	5404 bytes
`font_01_sfnt_off000070a6.bin` `b25d3a8cb74fe2ff972b5725285856823910c539b7b025eeccbdcfa17c3c4f9b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x70A6	10344 bytes
`font_02_sfnt_off00009442.bin` `0466d1d7fe1e00c42f1d3fd3448ce6c6b8750cd7bd0d04d6c2feb40a973ef15a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9442	18044 bytes

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