MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded URLs that redirect to a malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains a clear reference to the malicious URL, suggesting a lure for users seeking a specific PDF. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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=a+gentle+introduction+to+stata+fifth+edition+pdf+download In PDF document text
- https://cdn-cms.f-static.net/uploads/4378382/normal_5f92f99075587.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373757/normal_5f8c5f74c3ad7.pdfIn PDF document text
- https://zuxuzesis.weebly.com/uploads/1/3/1/4/131438019/rumitijov-volez-kuxibukefipurab.pdfIn PDF document text
- https://lewotivegil.weebly.com/uploads/1/3/4/3/134320996/mebijixiv.pdfIn PDF document text
- https://meboguvogo.weebly.com/uploads/1/3/1/4/131437667/9719367.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409609/normal_5f970e9509ead.pdfIn PDF document text
- https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/nadikowazijajutulaga.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367277/normal_5f87bebbec17c.pdfIn PDF document text
- https://jufopikigon.weebly.com/uploads/1/3/4/3/134309667/3100292.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386620/normal_5f8e5f5e45772.pdfIn PDF document text
- https://betoxugibujimiv.weebly.com/uploads/1/3/1/0/131071043/buvavutafepozer.pdfIn PDF document text
- https://nuzixusimupe.weebly.com/uploads/1/3/4/3/134306281/5287833.pdfIn PDF document text
- https://tadeganerusoza.weebly.com/uploads/1/3/1/4/131438541/376efe1a04.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366389/normal_5f8bd1373aa0f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0503/3813/6232/files/retaining_wall_foundation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0315/8433/files/the_term_definite_duration_refers_to.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8029/4298/files/converter_digitalizado_em_word_editavel_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3905/4231/files/68098999700.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bc446504-37cb-4f0a-a41f-7b706ed8d3aa/tivopemer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/06f28b5d-a099-49cc-887e-69785d001d3f/90976299814.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/de6a34e3-9377-4ad5-a0d8-2c3d9ff1a528/39744615481.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0501/5112/9278/files/47306597416.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000083be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83BE | 5496 bytes |
SHA-256: f95d23e765d9bcce6b890c12047e836faea774d2200880da04f2e16d28b7fd07 |
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font_01_sfnt_off00009680.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9680 | 11760 bytes |
SHA-256: 00e51890165ed0f71decac70ef2788a7c391d8aed3e927cffc24213d68ac77f6 |
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