PDF malware analysis — malicious · cd6b63d4168a7fcc

MALICIOUS

PDF

39.4 KB Created: 2020-07-08 21:15:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bf0be7c23cb038163dc0e63d2c71b655 SHA-1: 50ef5d5975520a8c37541958c704def9c38b26be SHA-256: cd6b63d4168a7fccf7304c4738e8a9945f67de3141fe6c86fd16e412d0d29267

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links designed to redirect users to external sites, masquerading as legitimate downloads. The primary redirector URL is https://ttraff.cc/wb?keyword=greek%20new%20testament%20pdf%20download, which is flagged as malicious. The document body also contains a large number of SEO-optimized PDF links, suggesting a link farm or SEO poisoning tactic to distribute malicious content.

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.cc/wb?keyword=greek%20new%20testament%20pdf%20download
- http://files.betsyleebaileymusic.com/uploads/1/3/2/7/132740564/kimamixorofitu-mizuziximexaxe-gikagurafe-zadawo.pdf
- http://files.marzipan-media.com/uploads/1/3/1/8/131856184/7584706.pdf
- http://files.fittingroomligonier.com/uploads/1/3/0/8/130814672/sodumavasoso_sugenufefigu_tinivotosuna_sezomojodupebe.pdf
- http://files.bowsandballcaps.com/uploads/1/3/1/6/131606475/8185471.pdf
- http://files.salsaritaslexky.com/uploads/1/3/1/4/131407898/9916121.pdf
- http://files.momagictrophyhunts.com/uploads/1/3/1/4/131453725/9605774.pdf
- http://files.lavenderandleaves.com/uploads/1/3/1/4/131483154/9363493.pdf
- http://files.frankhagancontracting.com/uploads/1/3/2/6/132681404/zatamutofineve.pdf
- https://sesuxegu.files.wordpress.com/2020/07/sovogup.pdf
- https://notetel.files.wordpress.com/2020/06/41390789374.pdf
- https://xojusapa.files.wordpress.com/2020/06/43486641523.pdf
- https://jimuzod.files.wordpress.com/2020/07/91485088400.pdf
- https://kateminani.files.wordpress.com/2020/06/rivela.pdf
- https://desesab.files.wordpress.com/2020/07/bitelojolijur.pdf
- https://ganogeduza.files.wordpress.com/2020/07/zovotexebipiva.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86372263330.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/39858795743.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/luzugojozawok.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_off0000586a.bin` `80655f7992123bff8a6cce347a45e290ade4da9c651d80e510d9d888d4cd748f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x586A	5112 bytes
`font_01_sfnt_off000069cd.bin` `5cd4f3e22659248b53d084b85d6cdec0ed98d2acf5bc010cfa63d423b6424334`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x69CD	11408 bytes

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