PDF malware analysis — malicious · 24855294d70cb40d

MALICIOUS

PDF

45.0 KB Created: 2020-08-29 01:33:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7d9968dd6a8c9514a6e55301696972fe SHA-1: 0b07fd7a9a7a698d3e229a666385e9977a80b8bc SHA-256: 24855294d70cb40da8f55bdd307435ad20d5e2f21653e55f4c1008caada363e2

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a redirector service. The primary heuristic indicates that these links are intended to lead users to malicious infrastructure. The document body, though heavily obfuscated, contains text related to 'Morrowind unsanctioned training' and includes the primary malicious URL, suggesting a lure for users seeking specific information. The file is classified as a malicious redirector due to the high volume of external links and the presence of a known malicious redirector 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.ru/wix?keyword=morrowind+unsanctioned+training
- https://static.usrfiles.com/ugd/b8c837_57978bbb18fc40db95180635c483c4db.pdf
- https://static.usrfiles.com/ugd/b8c837_cebfd4218f284c44a4ef5ce093e729b0.pdf
- https://static.usrfiles.com/ugd/b8c837_7179e4a896db4a4b8894c3dffc7416ca.pdf
- https://static.usrfiles.com/ugd/b8c837_406509d3ec8e4f6faced91e9ba44223e.pdf
- https://static.usrfiles.com/ugd/b8c837_d3faba924c5144b0899bbc2da6b149b6.pdf
- https://static.usrfiles.com/ugd/b8c837_1c52407394504aaeba3a17284267aed0.pdf
- https://static.usrfiles.com/ugd/b8c837_6aae4917859e4932aac2d8b100caaea6.pdf
- https://cdn.shopify.com/s/files/1/0434/0813/0213/files/70127064478.pdf
- https://cdn.shopify.com/s/files/1/0435/0623/7604/files/zivinonagaxitosusebijat.pdf
- https://cdn.shopify.com/s/files/1/0430/7235/6514/files/drinking_driver_programs.pdf
- https://static.usrfiles.com/ugd/b8c837_e2a182f50da04ada8dbbaa7c61477bbe.pdf
- https://static.usrfiles.com/ugd/b8c837_05246396908f44b8971119f04f5d048c.pdf
- https://static.usrfiles.com/ugd/b8c837_7a9d218db1734f8c8b821eedfad2348a.pdf
- https://static.usrfiles.com/ugd/b8c837_9c41b12f55664c5b90d4efb899e7a3a3.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.

Filename	Kind	Source	Size
`font_00_sfnt_off0000637e.bin` `3a1d37a1bad1f32128fd45df37ed4e235c7a4c6324f384293179708f96e449b1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x637E	4148 bytes
`font_01_sfnt_off00007218.bin` `bb690be96c200780fe639de7bb71a1f921f5853a8904a33a61002cd4796b6395`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7218	5172 bytes
`font_02_sfnt_off000083cf.bin` `c10cca532c76f331a8646f971d8b695fd643f894f276612e9db49f994c7a10ea`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83CF	10404 bytes

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