MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and 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 0.9961
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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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://nipisod.ru/award?keyword=fernando+sor+studies+pdf PDF link annotation
- http://jomufobi.iblogger.org/xinilunibinukovokuzeg.pdfIn PDF document text
- http://dexujin.iblogger.org/42942506322.pdfIn PDF document text
- https://dipidedi.weebly.com/uploads/1/3/2/8/132815933/23856d9bcc2d1c.pdfIn PDF document text
- http://rupazaduxil.mywebcommunity.org/cual_es_el_sistema_endocrino.pdfIn PDF document text
- https://winalefumigis.weebly.com/uploads/1/3/1/4/131437210/5651975.pdfIn PDF document text
- https://nepopuzabigeju.weebly.com/uploads/1/3/4/8/134856357/69f4b386f93fb.pdfIn PDF document text
- http://vonoxafaku.scienceontheweb.net/molovazuz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://nununad.myartsonline.com/95132307603.pdfIn PDF document text
- https://025b4bf0-2906-4f5f-8a0f-6d4b68fc9518.filesusr.com/ugd/148ee2_3ba7069e805f42749c4500a57065d51e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/33fc5a5c-0c19-48d3-9c3e-13748c6e161e/51312726268.pdfIn PDF document text
- http://tojuzurukepise.epizy.com/what_is_the_best_homemade_dog_food_for_small_dogs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d4c2ec67-5fa5-415b-a7ad-1158e1979ba1/luvos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/76ba7561-3262-4929-8b83-a04ec34492b5/kilozijidedelajuvin.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ebc13595-8a0d-4387-847d-5c111906fc34/76484666681.pdfIn PDF document text
- http://kofaxafogi.myartsonline.com/sotamuluxopofopizagog.pdfIn PDF document text
- https://2061f665-9309-41a6-981d-137229ee7e60.filesusr.com/ugd/eb2fe6_f2ba71e7dc14427e83417d34a114e35a.pdf?index=trueIn PDF document text
- https://d190c387-1498-4382-a59e-98d1a0a9794c.filesusr.com/ugd/a91264_aa582edcf27340829478729abc9b005c.pdf?index=trueIn PDF document text
- https://7404da97-7fcf-4d5f-9d5f-3f8644e6773a.filesusr.com/ugd/35f767_334ae6ab110d458b8e26fa926d2538ea.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6125d66b-dabb-4956-8219-f0d699736b33/43648591902.pdfIn PDF document text
- http://faxiruvud.myartsonline.com/what_oil_do_you_put_in_a_honda_generator.pdfIn PDF document text
- https://98350ace-7ac4-4f38-a9d9-579fdad8050b.filesusr.com/ugd/9b2d9b_ce26f8ff29dc48628974a5039079b0e5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/144572d3-9ae6-425d-bbae-f373986cfb5b/stock_options_for_beginners_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1491f3f2-2127-41d1-a812-f1deb27571c7/16677527513.pdfIn PDF document text
- http://solovusuzuvise.epizy.com/vadufaluvapadatobu.pdfIn PDF document text
- http://xikapewegoruzom.epizy.com/how_to_prepare_for_data_interpretation.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/183a9a0a-f04d-48eb-ab3f-7a2bddf7ab04/19848906591.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_off000113d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113D3 | 4960 bytes |
SHA-256: d97b878dfa22482264586cd771159351433b502691c69c50a9b3476e60968270 |
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font_01_sfnt_off000124c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124C3 | 10208 bytes |
SHA-256: 4178c7657823f66009c7ab779bedd9f350063f691613664d332b7acd89740fd3 |
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