MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, suggesting it's part of a link farm designed to manipulate search engine results or redirect users to malicious sites. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://leonvi.ru/award?keyword=princeton+review+sat+prep+pdf PDF link annotation
- https://rolobidixogiru.weebly.com/uploads/1/3/1/6/131637372/5144914.pdfIn PDF document text
- https://bejizasidofivi.weebly.com/uploads/1/3/4/2/134234705/vubofo.pdfIn PDF document text
- https://gutusalewizewuj.weebly.com/uploads/1/3/1/8/131871657/8301306.pdfIn PDF document text
- https://fovozipi.weebly.com/uploads/1/3/0/7/130775458/tukoxija.pdfIn PDF document text
- https://bapumora.weebly.com/uploads/1/3/2/7/132740837/gojox.pdfIn PDF document text
- https://kebumemimax.weebly.com/uploads/1/3/1/6/131636814/vodojizexutoni.pdfIn PDF document text
- https://panelaxefejavej.weebly.com/uploads/1/3/5/3/135306159/guzokifodojev.pdfIn PDF document text
- https://dunopupusegujuz.weebly.com/uploads/1/3/4/3/134348927/zotiwigatedetokewob.pdfIn PDF document text
- https://safesawugu.weebly.com/uploads/1/3/2/8/132814337/2332875.pdfIn PDF document text
- https://xovuxajewilim.weebly.com/uploads/1/3/0/7/130775567/8698649.pdfIn PDF document text
- https://jonipafatanepa.weebly.com/uploads/1/3/2/7/132741476/4360071.pdfIn PDF document text
- https://kulaxewanugig.weebly.com/uploads/1/3/1/3/131384484/65078ac624af.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/d622edbd-84d9-44a4-a876-65760d8640df/how_to_ease_pain_from_overeating.pdfIn PDF document text
- https://48bd7725-9370-4d18-884e-e75d7b70c9c4.filesusr.com/ugd/f241d9_fd6fe0f181cd45bf9ba82620160d5d64.pdf?index=trueIn PDF document text
- https://05491ccc-77c7-428b-9c25-74f2c6c50d4a.filesusr.com/ugd/d51d36_415479a600654e7c9ca2320800b713b1.pdf?index=trueIn PDF document text
- https://d8d078ea-10ec-4787-8e21-ef6e32b87a24.filesusr.com/ugd/8f6098_59d04f5b6cdb401b9bb95b433c86fcf4.pdf?index=trueIn PDF document text
- https://770ad53b-b55e-4e58-b1eb-3709f41304f7.filesusr.com/ugd/98e298_79ca82bb761143ac84b5cf780bbcad44.pdf?index=trueIn PDF document text
- https://98e80eac-0673-4bf9-a3de-4132461903b3.filesusr.com/ugd/1acd69_00426131328c4053936a9c4daf2a1967.pdf?index=trueIn PDF document text
- https://ba428ff1-d53d-4eb5-bdb2-cc960067f420.filesusr.com/ugd/7041e4_66822c094b15477f965dfd862a43b83c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8b33dbe1-a6fd-4137-a375-596c938da086/how_to_use_diono_radian_rxt_as_a_booster.pdfIn PDF document text
- https://ef5e9b3f-1a8e-4c79-9b60-34b8f8133c96.filesusr.com/ugd/18574e_65d3c6011f4f4cbf86ec72ebf58137f6.pdf?index=trueIn PDF document text
- https://d5bea983-5bca-41ba-aae6-6b688785cc77.filesusr.com/ugd/9ec29b_41a88430d7524dffa54af6ad5e78a8b5.pdf?index=trueIn 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_off0000f89a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF89A | 5268 bytes |
SHA-256: 2d2e4a8d7213f2cf04b29de0b4dbbaa5735afa6fc15adde5b624a1bf5279025c |
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font_01_sfnt_off00010aaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AAF | 10148 bytes |
SHA-256: 5e709d1c71b24ccb2039596eaa2a9cd397394bdecf4dd603bde89315cddb4a73 |
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