PDF malware analysis — malicious · 42857e6b1c252d96

MALICIOUS

PDF

51.5 KB Created: 2020-07-13 20:11:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 472a155165e96868521b58c2711a5f97 SHA-1: 1249be18c8c687826abe6c2e62946df4c8deedea SHA-256: 42857e6b1c252d96cdfd12299f8e89a0719a7e03fe52dbccd171cac5486976ed

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link, directing users to 'ttraff.cc'. This indicates a phishing or redirection attempt disguised as a weight loss program. The file also exhibits characteristics of a link farm, with numerous embedded links to external PDFs, likely for SEO manipulation or to host further malicious content. 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.cc/wb?keyword=gym%20program%20to%20lose%20weight%20pdf
- http://files.velasquezsandra.com/uploads/1/3/1/4/131408250/2222587.pdf
- http://files.christianpensel.com/uploads/1/3/1/4/131454459/8010404.pdf
- http://files.milazanenyc.com/uploads/1/3/1/4/131453715/jiludutemozijajot.pdf
- http://files.fabricsilkroad.co.uk/uploads/1/3/1/4/131453924/5511361.pdf
- http://files.petesfishtales.com/uploads/1/3/0/8/130813646/461c1.pdf
- http://files.christianpensel.com/uploads/1/3/1/
- https://megewusebu.files.wordpress.com/2020/06/40152958423.pdf
- https://jojiwone.files.wordpress.com/2020/07/luxixojo.pdf
- https://dapogudo.files.wordpress.com/2020/06/pakiwoja.pdf
- https://ralidirudod.files.wordpress.com/2020/07/13553940945.pdf
- https://mulorife.files.wordpress.com/2020/07/97315630582.pdf
- https://vezopemu.files.wordpress.com/2020/06/ruxozawub.pdf
- https://cdn.shopify.com/s/files/1/0428/8184/3353/files/sadadekexib.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/9142282406.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/paxotaxazojulilinitulo.pdf
- https://cdn.shopify.com/s/files/1/0432/2063/1720/files/fudevaju.pdf
- https://cdn.shopify.com/s/files/1/0432/8806/8254/files/zitevobavado.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86562581376.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gumuwajufutoz.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13139855908.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_off00008bf1.bin` `ad55c1914b46013eacaf8f22e05ac7152124511fbdff0161813b2acb5826e50f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8BF1	5360 bytes
`font_01_sfnt_off00009e4b.bin` `aecba75738e170b40244999a89ab0d5d8093dbee09bc877bc22d246b6f7a23a5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9E4B	10088 bytes

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