PDF malware analysis — malicious · cae9330859b08ac9

MALICIOUS

PDF

176.6 KB Created: 2020-09-20 10:03:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ffa096a8e9d37c2b561077124fe2168f SHA-1: 878d9094a900d70f4ab67bfa11327cbaa3376712 SHA-256: cae9330859b08ac918a5bad7572b98632f7773eb60279c1a167b003ffc11b144

60 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing indicating a malicious redirector link. The embedded URL 'https://ttraff.ru/wb?keyword=word%20that%20starts%20with%20con' is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, reinforcing the malicious intent. No scripts were extracted, but the primary attack vector appears to be the malicious link.

Heuristics 2

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.
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/wb?keyword=word%20that%20starts%20with%20con
- https://812bca8f-8894-4a7e-85eb-d7dcde6a3015.filesusr.com/ugd/c57cae_788cce77602d447881ffef8b5cba5129.pdf?index=true
- https://46e3088d-92ea-4494-988d-dd171fb9a893.filesusr.com/ugd/a8ca0f_2b064c977af34a80a6b8d3c1178f4978.pdf?index=true
- https://f629785b-92ba-48f7-b99f-65be2fd6c7ef.filesusr.com/ugd/7ef0dc_5890c76c0bcc4302863ad6fce642d9bd.pdf?index=true
- https://4f239cf1-5e6c-4a9f-b3e8-c527be8337ea.filesusr.com/ugd/e33828_14317738b93c4ec89d5a1ec67e44cdb9.pdf?index=true
- https://a93eab77-2040-4ad7-ab49-5349566a319f.filesusr.com/ugd/8bf3fc_9adc0307e5694e358677fb6ce12f7cfa.pdf?index=true
- https://d550d87f-b072-409e-b316-96c4ebf40a28.filesusr.com/ugd/50de67_0632a54de1f14c2e95db505b77c41c34.pdf?index=true
- https://3f2af1b8-3483-40b1-9afb-7b9f332d0acc.filesusr.com/ugd/dba42a_9e0c16478b9a4214ac57366e9ab955c3.pdf?index=true
- https://72155f43-b477-49bb-baa5-8d676f670434.filesusr.com/ugd/8b61cf_4142a43921cf473684bfea987beaa76e.pdf?index=true
- https://6fe08a58-5dd3-45d3-a938-f9429e621303.filesusr.com/ugd/ef7b09_e54cf27fcf6b4d90901e35d86b149d88.pdf?index=true
- https://58e2bd29-c666-4cb0-9be4-c7e394ddafc8.filesusr.com/ugd/6166c9_d376c7ae8adc4c95981eedb1de0b37c2.pdf?index=true
- https://90da8f84-39b9-4e4b-9882-19d87354546e.filesusr.com/ugd/9219f8_98cdc488af0a460b939cf0776d988016.pdf?index=true
- https://a32ccff8-8bb5-40b2-bfad-024529b6c6b8.filesusr.com/ugd/b5472a_00e2123b4d8b427283fe0c439845f4d7.pdf?index=true
- https://907f91e9-c0e6-4224-b71f-e1002ee1a82c.filesusr.com/ugd/0182ef_332e31e31b7b48f39e49e7384bfd6e48.pdf?index=true
- https://99279593-f1b1-4a93-9f4d-d85ce9672e84.filesusr.com/ugd/f35da0_b2fe797f313c41c3aebdb78388ce5949.pdf?index=true
- 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_off00026be8.bin` `f860b04d6a9da47050c967a985c1ff53cbab43bd751f21cf366f3cbe96eda618`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x26BE8	3172 bytes
`font_01_sfnt_off00027748.bin` `84485233346916cb9db9db2b834c0f29b414446b288412256acb11cdaba27076`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x27748	5100 bytes
`font_02_sfnt_off000288b0.bin` `fbad8da36e66d039629c9c214323633438aa760ce2208a03c20c7a21f6980690`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x288B0	13516 bytes

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