MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file contains a large number of embedded links, many of which point to external PDF files hosted on disposable domains. One prominent URL, https://ggtraff.ru/strik?keyword=ecuacion+de+la+recta+ejercicios+resueltos+pdf, is identified as a malicious redirector. The document's structure and extensive link farm suggest an attempt to manipulate search engine results or distribute further malicious content, rather than providing legitimate information.
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://ggtraff.ru/strik?keyword=ecuacion+de+la+recta+ejercicios+resueltos+pdf In PDF document text
- https://jovikuveditowe.weebly.com/uploads/1/3/0/8/130874612/xilemitipurasas_dilaxurije.pdfIn PDF document text
- https://fanavepuru.weebly.com/uploads/1/3/1/8/131871984/c3f365af.pdfIn PDF document text
- https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/jozepap.pdfIn PDF document text
- https://lodirunesu.weebly.com/uploads/1/3/0/8/130874391/lakukuzabe.pdfIn PDF document text
- https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/4793008.pdfIn PDF document text
- https://fuparududewon.weebly.com/uploads/1/3/1/8/131856041/0c082e.pdfIn PDF document text
- https://vixeroniwemeful.weebly.com/uploads/1/3/0/7/130740086/501638.pdfIn PDF document text
- https://zilavexeredora.weebly.com/uploads/1/3/0/8/130874610/8b1ff250f1423.pdfIn PDF document text
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/delelides_dasexurekiwar_jajumab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386333/normal_5f8d14e00121e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366335/normal_5f8724e42687c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369327/normal_5f89dacdb24ce.pdfIn PDF document text
- https://jugoruzaja.weebly.com/uploads/1/3/1/4/131407370/rukufovidukenadup.pdfIn PDF document text
- https://noxepelobisuse.weebly.com/uploads/1/3/1/8/131871648/839958145.pdfIn PDF document text
- https://kekerisasil.weebly.com/uploads/1/3/0/7/130775365/2299267.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/b9560ced-b755-4fa3-b25b-e5e887b307b4/pesorobeju.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/122fd076-f38e-46f2-9254-5f159475ae7e/61455464236.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12f7b2a0-ef5c-453a-bbe4-3a54ba5c5656/45005129352.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8fd9b7fb-4139-48ab-b2f0-7710fb3c5ded/lixubasepiwonewuwusepupuw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b03d318a-410a-4b7a-a150-354c08a6dad6/suvusev.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1f697eee-4ac1-4b71-856a-abef3f13dd16/exercice_calligraphie_adulte__imprimer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ca775cc9-621f-4ec6-b340-2a6353c25454/xuwakuvesasorukixigu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a0dcbeb0-0e8a-47de-9b63-ff5a8d06e77f/sugekalobozek.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_off00007105.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7105 | 5180 bytes |
SHA-256: 86216bbb2a8ffd440b346be5c0d31f4985bcef680e00ab3112e81418b2da3dd0 |
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font_01_sfnt_off000082b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82B1 | 10788 bytes |
SHA-256: f67e9f09fc360f00949d620baeaea531b90f313c69e81f4071c5c0160843b0a0 |
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