MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many of which point to redirectors and SEO link farms, indicating a malicious intent to drive traffic to potentially harmful sites. The primary redirector URL is https://cctraff.ru/123?keyword=persona+5+royal+sae+palace+guide, which is flagged as malicious. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the structure suggests a lure document designed to lead users to malicious infrastructure.
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=persona+5+royal+sae+palace+guide In PDF document text
- https://cdn-cms.f-static.net/uploads/4388428/normal_5f9ae72812053.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382192/normal_5f90d56a8c25a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370525/normal_5f923c696665b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401972/normal_5f92f8996ba87.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369630/normal_5f9307655724d.pdfIn PDF document text
- https://disaxugotusineg.weebly.com/uploads/1/3/1/8/131871710/tirutegebotafexomuzo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/woberiz/sijawulafok.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/faaed9c3-9493-4de2-8ff0-e09c9e58dc00/periodic_table_download_2019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4625308e-5ef5-45fa-8c16-ea475c67f4e8/clarke_raines_verdict_mobile_alabama.pdfIn PDF document text
- https://s3.amazonaws.com/mubemutolewe/guwuwipuveloxerikuxe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5488f6d3-b0df-4a2c-9680-4f366cc6c2fd/nubolivivufuviwaxibogiz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1e23f8e8-397e-49eb-89eb-b76296290660/pekololipewuvefubat.pdfIn PDF document text
- https://s3.amazonaws.com/zeworibuzoza/tree_diagram_probability_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/bezegoluzose/gatixafazek.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/adb4ff8b-99a7-432f-b06a-a56ede07b4c3/wekuxifolesat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e780cb8c-e464-437d-9f27-08c8356c0706/ditojidamu.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000adc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADC2 | 5468 bytes |
SHA-256: a7a170c00542eda328512bace5bfe7e3378255e78de05db288d910f7be514bfa |
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font_01_sfnt_off0000c06d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC06D | 13492 bytes |
SHA-256: 2367f68619fe03e8ea3b9d0b04d91a6f453ff03bf8810e08c91a4a4c44eb74bb |
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font_02_sfnt_off0000ec20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC20 | 16128 bytes |
SHA-256: 9876d0897ec9c8daf800546b62de215c972fdd6e45e85ac3a8ec620a70dbc6f8 |
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