PDF malware analysis — malicious · 9db4d549535bdbab

MALICIOUS

PDF

46.1 KB Created: 2020-07-29 14:30:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 907813d3673aac5580c228518ed29026 SHA-1: 63b17c4e3e7a0aa6abcfd0ce7c8f89adc4e32842 SHA-256: 9db4d549535bdbab3717df457644d7b3d3d3174b3884b1750a02851cfe2853b6

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF file contains numerous links, identified as a link farm, designed to redirect users. The primary malicious link points to 'ttraff.ru', a known malicious redirector. The document body, though heavily obfuscated, contains text related to a 'Bellini recipe book pdf', suggesting a lure to entice clicks. No scripts were extracted from this sample.

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/pify?keyword=bellini+recipe+book+pdf
- http://files.alloccasionsevents.com.au/uploads/1/3/2/6/132695352/3981991.pdf
- http://files.theoverflowingbookshelf.com/uploads/1/3/1/8/131856212/kobugebufumanefufi.pdf
- http://files.feltham-twickenham-ps.com/uploads/1/3/0/7/130738790/2177235.pdf
- http://files.karaikudivoyage.us/uploads/1/3/0/7/130775398/1254706.pdf
- http://files.oscarbaptistchurch.com/uploads/1/3/1/3/131398366/6673904.pdf
- http://files.feltham-twickenham-ps.com/uploads/1/3/0/7/130738790/2177235
- https://cdn.shopify.com/s/files/1/0430/9165/6855/files/43294931003.pdf
- https://cdn.shopify.com/s/files/1/0430/5921/6537/files/13195582965.pdf
- https://cdn.shopify.com/s/files/1/0433/2647/2347/files/22240316969.pdf
- https://cdn.shopify.com/s/files/1/0437/1113/5894/files/xigaziwivaxatujig.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nazowexoratusitufunu.pdf
- https://cdn.shopify.com/s/files/1/0428/8492/3555/files/disagu.pdf
- https://cdn.shopify.com/s/files/1/0433/3328/8088/files/kumubixugiwilidokuru.pdf
- https://cdn.shopify.com/s/files/1/0428/9855/5043/files/68791067323.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/demesudixagivok.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/57189589950.pdf
- https://cdn.shopify.com/s/files/1/0429/9007/6067/files/33637837584.pdf
- https://cdn.shopify.com/s/files/1/0438/4702/4805/files/vilolaxubiru.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tedix.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/72619586694.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_off0000763f.bin` `5a824a4425276707799403e92554115541413f245649adb54091d50d6ff2797c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x763F	4720 bytes
`font_01_sfnt_off00008640.bin` `8e81540e5cae4b6d44198bb33de7bed385bb63fafed3a71e10ce936b379b5169`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8640	10792 bytes

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