MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to suspicious domains and Weebly-hosted PDFs, indicating a link farm designed to redirect users. The primary malicious link, 'https://cctraff.ru/123?keyword=lewis+and+clark+worksheet+answer+key', suggests a phishing or malware distribution attempt disguised as educational content. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is part of a malicious campaign.
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/123?keyword=lewis+and+clark+worksheet+answer+key
- https://wivupenoremew.weebly.com/uploads/1/3/0/7/130775018/marowajujejedamalaz.pdf
- https://xuvakaxatal.weebly.com/uploads/1/3/1/0/131070170/fefixiladedawifa.pdf
- https://cdn-cms.f-static.net/uploads/4408588/normal_5f93547343a95.pdf
- https://cdn-cms.f-static.net/uploads/4393193/normal_5f90f00b2f5e8.pdf
- https://jatilesaza.weebly.com/uploads/1/3/4/3/134316516/xafil-riluxifira-junexi.pdf
- https://cdn-cms.f-static.net/uploads/4404741/normal_5fa0dd46d41da.pdf
- https://tejigenunonim.weebly.com/uploads/1/3/0/8/130813632/737298.pdf
- https://nofizosol.weebly.com/uploads/1/3/4/5/134500220/ff069f328f3c4e2.pdf
- https://cdn-cms.f-static.net/uploads/4368240/normal_5f8b8f8a801f2.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/wonoti/10297218630.pdf
- https://s3.amazonaws.com/tokafanawa/44160273101.pdf
- https://uploads.strikinglycdn.com/files/6b6c31c4-f338-4c11-8492-dfade1f69c6d/maytag_dishwasher_installation_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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004929.binafce1df568dd4de90976b5ca7d6d3199af23ff9cc9604322368d23f34447b2a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4929 | 5016 bytes |
font_01_sfnt_off00005a3e.bine7b196d5320aed3b0cb9f75b9fffd1448ae10618b5f413861dd89671f7c772d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A3E | 10752 bytes |
font_02_sfnt_off00007e0b.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E0B | 4324 bytes |
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