MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external PDF files, masquerading as academic resources. One of the embedded links, 'https://traffmen.ru/123?utm_term=mathematics+for+engineers+and+scientists+by+alan+jeffrey+pdf', is identified as a known malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign designed to drive traffic to malicious sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 4
-
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.
-
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.
-
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.
-
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://traffmen.ru/123?utm_term=mathematics+for+engineers+and+scientists+by+alan+jeffrey+pdf
- https://cdn-cms.f-static.net/uploads/4408471/normal_5fa77d8692881.pdf
- https://cdn-cms.f-static.net/uploads/4366620/normal_5f9fae2291ab4.pdf
- https://cdn-cms.f-static.net/uploads/4366015/normal_5f8c5047087b5.pdf
- https://rimususoku.weebly.com/uploads/1/3/4/5/134587725/4afc6a4933877d9.pdf
- https://firedisivimi.weebly.com/uploads/1/3/0/9/130969818/5558271.pdf
- https://cdn-cms.f-static.net/uploads/4372955/normal_5fa4bb01686db.pdf
- https://cdn-cms.f-static.net/uploads/4409827/normal_5f98ecfb76885.pdf
- https://jubuxazule.weebly.com/uploads/1/3/4/5/134585976/supuruloduniwedin.pdf
- https://cdn-cms.f-static.net/uploads/4384655/normal_5faf407a7ca91.pdf
- https://cdn-cms.f-static.net/uploads/4369328/normal_5fb517aa0fb9d.pdf
- https://cdn-cms.f-static.net/uploads/4394072/normal_5f9e6b917e37e.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/ragejufa/rewanijex.pdf
- https://uploads.strikinglycdn.com/files/3739e636-4108-4f8b-9b72-53c7b4961060/28164691158.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_off0000a870.bine75d9edf815c8ec8c52cd799bc8b30ddfb4316a5592331fc3ebfec66757688d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA870 | 3804 bytes |
font_01_sfnt_off0000b5de.bin8a80f6e50b3ddb265924c488c16494c0bf570b5c391a6c57d03c28f917a087c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5DE | 5892 bytes |
font_02_sfnt_off0000c9d3.bincebf1bb792a9ed214867ef3bbc895fbcf80ec71408e520ce76a5e1b3d8d125ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9D3 | 9428 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.