MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, with one heuristic specifically identifying it as a 'PDF_SEO_LINK_FARM'. The primary external URL, https://traffset.ru/123?utm_term=inverse+square+law+for+x-ray+intensity, is suspicious and likely leads to a malicious site. ClamAV and an ML classifier also flagged this PDF as malicious, indicating a phishing or trojan payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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External URI info PDF_URIPDF contains an external URL action
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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://traffset.ru/123?utm_term=inverse+square+law+for+x-ray+intensity
- https://cdn-cms.f-static.net/uploads/4366973/normal_5f8d03653dd67.pdf
- https://cdn-cms.f-static.net/uploads/4371013/normal_5fa4a10cc511e.pdf
- https://lozezuxugi.weebly.com/uploads/1/3/4/0/134016676/wilugaw.pdf
- https://cdn-cms.f-static.net/uploads/4369653/normal_5fa40d7a28654.pdf
- https://tidosivapozagul.weebly.com/uploads/1/3/4/3/134390518/nujazesetebago.pdf
- https://static.s123-cdn-static.com/uploads/4456121/normal_5fc965e338c7f.pdf
- https://cdn-cms.f-static.net/uploads/4384633/normal_5f8efe0d1f605.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static1.squarespace.com/static/5fc59a22405d5340f349ab9c/t/5fd16f65b91f50015ee23cdc/1607561061715/65872321462.pdf
- https://uploads.strikinglycdn.com/files/8308ae81-11e2-447c-9c39-cd9d686acbd1/97842991684.pdf
- https://uploads.strikinglycdn.com/files/8b263177-0782-4697-8c68-dd89c1318e0e/fufipamojadabifoworevoxul.pdf
- https://uploads.strikinglycdn.com/files/d0801d43-cbeb-441f-8b79-27213d33ff7f/narepenututilevu.pdf
- https://uploads.strikinglycdn.com/files/30573092-bd6b-4ef7-bb7f-9e174b9b542f/watesunuwafefe.pdf
- https://uploads.strikinglycdn.com/files/67b67637-0059-4a71-a648-96e40501ba1d/xosavelodusiv.pdf
- https://s3.amazonaws.com/mexavofezoxi/bupuluramozemisilowukatus.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_off0000cae4.bin0d64a689ea65f42b0db86d956fd851e4a485293857fcafe150fbe968cb25dbc4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAE4 | 5176 bytes |
font_01_sfnt_off0000dcb8.binab0d1451e011afea4ac7deda37cb1d2b82c22152e6af96454cc3827ce1a2e199 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCB8 | 10252 bytes |
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