PDF malware analysis — malicious · e7d529f3a789694b

MALICIOUS

PDF

65.4 KB Created: 2020-08-26 20:23:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 04c472fdd998a4c61322b8d8276afbfd SHA-1: 201b938f079a9411ad00454230ab5175747d97ba SHA-256: e7d529f3a789694bb5fd23d0b1dff296db6dca0806cdb5d78466709e4e0221c3

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF was flagged for containing a malicious redirector link and a large number of external links, characteristic of a link farm. The primary malicious URL identified is ttraff.ru, which is used to redirect users. While the document body contains seemingly benign text about Luciano Pavarotti, the embedded URL points to a malicious redirector. The presence of numerous Shopify-hosted PDF links suggests an attempt to obscure the malicious intent or to leverage legitimate platforms for distribution.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=luciano+pavarotti+el+mejor+tracklist
- http://files.ouranosmarkettiming.com/uploads/1/3/1/3/131383613/9725350.pdf
- http://files.emgo.tv/uploads/1/3/1/3/131384429/xinifo.pdf
- https://cdn.shopify.com/s/files/1/0432/4828/7912/files/24446232159.pdf
- https://cdn.shopify.com/s/files/1/0427/4061/3286/files/vitezopinorolirodi.pdf
- https://cdn.shopify.com/s/files/1/0435/2425/9992/files/85302873958.pdf
- https://cdn.shopify.com/s/files/1/0432/1912/4382/files/55093784611.pdf
- https://cdn.shopify.com/s/files/1/0434/3057/6295/files/string_to_lower_c.pdf
- https://cdn.shopify.com/s/files/1/0428/6224/8095/files/chief_operating_officer_resumes.pdf
- https://cdn.shopify.com/s/files/1/0469/0676/9568/files/15212917684.pdf
- https://cdn.shopify.com/s/files/1/0430/9542/5191/files/kidevozasofep.pdf
- https://cdn.shopify.com/s/files/1/0429/8774/9525/files/problemas_con_divisiones_para_quinto_grado.pdf
- https://cdn.shopify.com/s/files/1/0429/3050/3846/files/29292962171.pdf
- https://cdn.shopify.com/s/files/1/0430/7140/6234/files/second_line_old_apk.pdf
- https://cdn.shopify.com/s/files/1/0432/5926/5188/files/the_last_star_rick_yancey.pdf
- https://cdn.shopify.com/s/files/1/0430/3772/0733/files/foxodud.pdf
- https://cdn.shopify.com/s/files/1/0428/1116/2790/files/oneplus_bug_report_email.pdf
- https://cdn.shopify.com/s/files/1/0435/4228/2394/files/wirigoju.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_off0000c086.bin` `2c8953e318087235e6740b7bbf08940189267ab217bc8b9c06e6877dfae47d81`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC086	5220 bytes
`font_01_sfnt_off0000d23d.bin` `c3475e53b8f2939d0e8421429f6e407beb93393c19e31dad32fc2222f0c87abd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD23D	11044 bytes

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