MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing indicating it links to known malicious redirector infrastructure, specifically `https://ttraff.ru/pify?keyword=celulas+procariotas+bacterias+pdf`. Additionally, the document exhibits characteristics of a PDF link farm, with numerous embedded links pointing to various domains, including multiple Shopify-hosted PDFs. The ML classifier also strongly flagged this PDF as malicious. The primary attack pattern involves luring users to a malicious site via a deceptive link within the document.
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=celulas+procariotas+bacterias+pdf
- http://files.beespiderfree.com/uploads/1/3/0/7/130776366/lejafefariramesokipe.pdf
- http://files.khhcommunications.com/uploads/1/3/0/9/130969879/bixekomajivulo.pdf
- http://files.creatingfreedommovements.org/uploads/1/3/0/7/130739165/d695e1c8f0e.pdf
- http://vofev.mhschoirs.org/uploads/1/3/1/4/131407227/bivebigivoluna.pdf
- https://cdn.shopify.com/s/files/1/0434/2782/3778/files/52972849503.pdf
- https://cdn.shopify.com/s/files/1/0428/9812/9059/files/79438751925.pdf
- https://cdn.shopify.com/s/files/1/0434/3549/1490/files/30462458265.pdf
- https://cdn.shopify.com/s/files/1/0429/5042/6780/files/51957362779.pdf
- https://cdn.shopify.com/s/files/1/0437/1329/8581/files/35404746329.pdf
- https://cdn.shopify.com/s/files/1/0431/8996/0861/files/4013009862.pdf
- https://cdn.shopify.com/s/files/1/0433/8260/3927/files/worenifejananiwobozawula.pdf
- https://cdn.shopify.com/s/files/1/0429/1526/6713/files/motunejobifogezowemodi.pdf
- https://cdn.shopify.com/s/files/1/0434/3355/8168/files/62335502284.pdf
- https://cdn.shopify.com/s/files/1/0436/8406/9526/files/xapagezigofefovufusuze.pdf
- https://cdn.shopify.com/s/files/1/0432/5376/0162/files/67686569863.pdf
- https://cdn.shopify.com/s/files/1/0430/9958/6714/files/business_model_generation_indonesia.pdf
- https://cdn.shopify.com/s/files/1/0434/3519/6568/files/23204418200.pdf
- https://cdn.shopify.com/s/files/1/0432/5461/2123/files/jizugo.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_off00006c05.bin1d6b766ef0ff952afb5a676baddbed1b82c5d60a112b9ac1758d73b01c3713a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C05 | 5196 bytes |
font_01_sfnt_off00007db1.bin203574af3674bce41bb305effaad809b832fcf8ba587d41fb3e251a5d5986e22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DB1 | 9868 bytes |
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