MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and contains numerous embedded links. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'ttraff.ru', which is used in conjunction with the keyword 'caballo de troya pdf jj benitez'. Another critical heuristic indicates a PDF link farm, with many links pointing to Shopify-hosted PDFs. The primary malicious IOC is the redirector URL, which likely serves as the initial entry point for further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Embedded URL info EMBEDDED_URLOne 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=caballo+de+troya+pdf+jj+benitez
- http://files.karenjrohrlach.com/uploads/1/3/1/4/131409508/f870c.pdf
- http://files.connallyband.com/uploads/1/3/1/8/131856381/koguwoxixude.pdf
- http://files.deefacepaint.com/uploads/1/3/1/8/131856134/sijenekuzo-kenos-vivam-sivumaxa.pdf
- https://cdn.shopify.com/s/files/1/0429/7133/2767/files/karazawakuwujolowofo.pdf
- https://cdn.shopify.com/s/files/1/0432/9970/0889/files/79922778010.pdf
- https://cdn.shopify.com/s/files/1/0427/3196/2535/files/flask_of_oil_wow.pdf
- https://cdn.shopify.com/s/files/1/0427/9648/2727/files/git_force_pull_overwrite.pdf
- https://cdn.shopify.com/s/files/1/0429/1667/5740/files/lisipudedovo.pdf
- https://cdn.shopify.com/s/files/1/0432/9878/3382/files/veragixoxalanegenijagive.pdf
- https://cdn.shopify.com/s/files/1/0429/9004/3285/files/64666982490.pdf
- https://cdn.shopify.com/s/files/1/0434/7399/3890/files/rimitemexanezipeli.pdf
- https://cdn.shopify.com/s/files/1/0435/7668/8798/files/campbell_biology_10th_edition_test_bank.pdf
- https://cdn.shopify.com/s/files/1/0429/6287/8618/files/pimegagarizeja.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/70278744099.pdf
- https://cdn.shopify.com/s/files/1/0431/0233/9232/files/gomozulajul.pdf
- https://cdn.shopify.com/s/files/1/0436/4979/4213/files/vishnu_sahasranamam_malayalam.pdf
- https://cdn.shopify.com/s/files/1/0438/8909/8907/files/pumodalipakalaz.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_off00006643.binb589075b87f9e7514ff45ebff6b4e68fd330252aaac3fb19f875c9bbcf9d534a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6643 | 5128 bytes |
font_01_sfnt_off000077d1.binbe4aa581ea8025166d59957e4f0a04715d84a4d2d13c1180ea482b5f6f6251bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77D1 | 10240 bytes |
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