MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, with one suspicious URL identified as a potential entry point for malicious activity. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic suggests this document is part of a link farm, likely for SEO manipulation or to distribute further payloads. No scripts were extracted, but the embedded links are the primary indicators of malicious intent.
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://trafficel.ru/123?keyword=winter+facts+scavenger+hunt+answer+key
- https://cdn-cms.f-static.net/uploads/4416332/normal_5f9bca5a02b58.pdf
- https://cdn-cms.f-static.net/uploads/4451028/normal_5fa175f70579f.pdf
- https://cdn-cms.f-static.net/uploads/4420239/normal_5f9eaeb97ee61.pdf
- https://cdn-cms.f-static.net/uploads/4389104/normal_5f99ddd1b221e.pdf
- https://cdn-cms.f-static.net/uploads/4409394/normal_5f9e7a49d542d.pdf
- https://cdn-cms.f-static.net/uploads/4369915/normal_5f99019c4e904.pdf
- https://rokufekajo.weebly.com/uploads/1/3/0/8/130814342/wokemawudire_kikogivip_lufujolaw.pdf
- https://cdn-cms.f-static.net/uploads/4405437/normal_5fa2193b4c8d2.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/dc14e15b-f0f6-4ee2-9a4b-e7ed547051e5/the_freud_reader.pdf
- https://s3.amazonaws.com/nigimul/pefenulijuririji.pdf
- https://uploads.strikinglycdn.com/files/b9566308-7967-458c-a0e3-7c8658f93a7b/7563970681.pdf
- https://s3.amazonaws.com/metubevozisul/onkyo_m_5000_review.pdf
- https://s3.amazonaws.com/zuxadol/hvlp_spray_gun_kit_harbor_freight.pdf
- https://s3.amazonaws.com/piradi/rebunojimukogupojagako.pdf
- https://uploads.strikinglycdn.com/files/45d57bb0-a671-4220-bf5e-6b1be4bba20c/78914423949.pdf
- https://uploads.strikinglycdn.com/files/06d2d572-0302-469b-96cd-2a800fc8c472/dibazizufu.pdf
- https://s3.amazonaws.com/temujonuwu/51919747589.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_off000066eb.bin207bcb6ce2f5f02685d21e13b8b6fd3a37b45df46315969f01ba4afe2c119f70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66EB | 5440 bytes |
font_01_sfnt_off00007992.bin9ad3a22e1fd8862af415df61efbf419824589cdc5e19eae0aa94e297a7b4b8a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7992 | 10792 bytes |
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