MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm designed to improve search engine rankings. One prominent link redirects to a known malicious infrastructure at 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to a 'diploma in public administration course outline', suggesting a lure to entice users to click the malicious link. The ML classifier also strongly indicated maliciousness.
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=diploma+in+public+administration+course+outline+pdf
- http://files.barnsandburleycandleco.com/uploads/1/3/0/8/130813528/ruzaf.pdf
- http://files.portagecrossfitcooperative.com/uploads/1/3/1/4/131406288/000495ed1.pdf
- http://files.fccwareham.org/uploads/1/3/2/7/132740860/4414195.pdf
- http://files.centralladycatsoccer.com/uploads/1/3/1/4/131437680/lijexurojadebesires.pdf
- http://kofaxaw.lovelashed.com/uploads/1/3/0/7/130776485/9092770.pdf
- https://cdn.shopify.com/s/files/1/0429/6926/8373/files/87377889319.pdf
- https://cdn.shopify.com/s/files/1/0433/4167/6694/files/research_paper_on_agricultural_marketing.pdf
- https://cdn.shopify.com/s/files/1/0435/6089/4627/files/puwakabazejitupis.pdf
- https://cdn.shopify.com/s/files/1/0449/2699/2551/files/pdf_smaller_size_converter_online.pdf
- https://cdn.shopify.com/s/files/1/0429/8797/8913/files/dewubixotetufox.pdf
- https://cdn.shopify.com/s/files/1/0431/0505/8976/files/gijuguwarugawos.pdf
- https://cdn.shopify.com/s/files/1/0434/4443/7144/files/lunavitovijivevipadowo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/88406012193.pdf
- https://cdn.shopify.com/s/files/1/0432/7532/1499/files/bacilos_gram_negativos_aerobios.pdf
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/como_fazer_referencia_bibliografica_de_arquivo_em_abnt.pdf
- https://cdn.shopify.com/s/files/1/0433/9823/4270/files/ajp_taylor_war_by_timetable.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_off000066b3.bin8c9b6887e2df39074d3b47db6aa1c27a9460c3fcb5559245122de60d81ed7aae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66B3 | 5440 bytes |
font_01_sfnt_off00007909.bin8b9851939eac0ee21ce8d5c41cfb0b276c0efbd65189fcb1e3cd4cb23589baef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7909 | 10440 bytes |
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