MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, including one pointing to a known malicious redirector at 'https://cctraff.ru/strik?keyword=federalist+and+anti+federalist+worksheet'. The document's structure and embedded links suggest it is part of a link farm designed to drive traffic to malicious sites, likely for phishing or malware distribution. The ML classifier also strongly indicated maliciousness.
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://cctraff.ru/strik?keyword=federalist+and+anti+federalist+worksheet
- https://cdn-cms.f-static.net/uploads/4426060/normal_5f9acccd4cdd7.pdf
- https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/4967626.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/voxazedisula/1613039788.pdf
- https://uploads.strikinglycdn.com/files/f559698c-1fd2-4022-8c79-50c87f0e4d91/nabidebodorejujumi.pdf
- https://uploads.strikinglycdn.com/files/35a32da5-33f0-41ba-abc2-f0d7775b2e40/milady_chapter_25_manicuring_test_an.pdf
- https://s3.amazonaws.com/nitirew/simaluvudene.pdf
- https://s3.amazonaws.com/tejuvonixag/microsoft_excel_beginner_to_advanced_full_tutorial.pdf
- https://uploads.strikinglycdn.com/files/90071c8f-2dab-4efa-83cd-2c24bd5ccd8f/kopufilarokamopu.pdf
- https://uploads.strikinglycdn.com/files/70efc782-5797-48f1-8abc-bf9a29fb13a3/73409442657.pdf
- https://uploads.strikinglycdn.com/files/5af4ca95-16f1-4e18-934b-6f7bf9f98c6d/grace_m_davis_high_school_bell_schedule.pdf
- https://s3.amazonaws.com/mubefula/ffxiv_titan_extreme_tank_guide.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000093f9.bin356531d270438783ea61b74b56036ace15d151689adb2612ce36d772aceb6648 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93F9 | 5104 bytes |
font_01_sfnt_off0000a563.bin937aabc8935d3299d69404a6896c81549ee48d9afdc29960ebb08bc8f7eb799c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA563 | 10744 bytes |
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