MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one to a known malicious redirector, ttraff.com. The document body, though heavily obfuscated, appears to contain keywords related to educational material, suggesting a lure to disguise the malicious intent. The ML classifier strongly indicated maliciousness, and the presence of a redirector link points to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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.com/pify?keyword=algebra+2+discriminant+worksheet+kuta
- http://files.serenitywholisticliving.com/uploads/1/3/1/4/131482886/03906242.pdf
- http://files.baileytheatre.com/uploads/1/3/1/3/131380440/2dd9c68d7c8.pdf
- http://kivanuvo.shervinmalekzadeh.com/uploads/1/3/0/9/130969724/2936524.pdf
- https://cdn.shopify.com/s/files/1/0431/3425/5265/files/84363613919.pdf
- https://cdn.shopify.com/s/files/1/0438/7959/6187/files/59121242662.pdf
- https://cdn.shopify.com/s/files/1/0437/9394/0629/files/algebra_2_lecture_notes.pdf
- https://cdn.shopify.com/s/files/1/0428/2449/9367/files/amor_de_invierno_descargar.pdf
- https://cdn.shopify.com/s/files/1/0431/3251/8555/files/gebaf.pdf
- https://cdn.shopify.com/s/files/1/0431/5915/8946/files/chef_uniform_shop_sydney.pdf
- https://cdn.shopify.com/s/files/1/0428/3393/6547/files/dewomatarolokakutafago.pdf
- https://cdn.shopify.com/s/files/1/0431/0512/4516/files/60598167704.pdf
- https://cdn.shopify.com/s/files/1/0435/6590/8136/files/libro_de_genetica_gratis.pdf
- https://cdn.shopify.com/s/files/1/0448/5585/3218/files/describing_words_worksheet_for_class_1.pdf
- https://cdn.shopify.com/s/files/1/0427/8134/3900/files/30815574705.pdf
- https://cdn.shopify.com/s/files/1/0437/8024/3617/files/musiwetisaredas.pdf
- https://cdn.shopify.com/s/files/1/0431/5129/4619/files/zagivitimalutenaxoxometu.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_off0000507e.bin80ee20b0c06e3d5b17ab872a3a6b3fa859cd2b4fdc6fcb8ab9e432700df094c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x507E | 5768 bytes |
font_01_sfnt_off00006404.binefe486da1ddac25272e945abb21b5f1ba4e41b02133194af9625cb48a19f2768 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6404 | 9684 bytes |
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