MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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://traffnew.ru/123?keyword=physics+math+review+worksheet PDF link annotation
- https://cdn-cms.f-static.net/uploads/4369903/normal_5f8e0d0bdd246.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366408/normal_5f8b2715b36ea.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://ganiwog.files.wordpress.com/2020/11/rufevelukivuzodan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f3e6dd18-54a2-4b5f-beaf-d86d3c603f20/fijavotuxotaropijul.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/649cf96d-b6bb-4933-8dbd-6f967d65cdf4/72944683283.pdfIn PDF document text
- https://zetitomaguzo.files.wordpress.com/2020/11/gartner_magic_quadrant_endpoint_protection_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/45f3ec40-8fb0-413c-81b6-4b8a7829c8a5/64911310154.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b5938746-cbbd-45b7-89a0-714aa127ecff/rexuwuxuxin.pdfIn PDF document text
- https://suvulabam.files.wordpress.com/2020/11/90585318906.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/19a053aa-30b5-40d7-a82e-9c9f56730194/12994018302.pdfIn PDF document text
- https://nukepawexilu.files.wordpress.com/2020/11/52356443337.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b62681e7-82d1-404b-8bc8-4110379c1ddf/26771188823.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_off00005f75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F75 | 5328 bytes |
SHA-256: fea31688399d2ac5a94f7b2bb01d4ea5b30b15ecbc555d93eed61a4be31efb73 |
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font_01_sfnt_off0000717c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x717C | 11288 bytes |
SHA-256: c8c501832e493d580264e240a05f40afc64ef9cf089df0ad31641673a757cf84 |
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