MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spamming operation. The primary external URI points to a URL with a 'bursitis definicion pdf' keyword, indicating a potential lure. While no scripts were extracted, the PDF structure and extensive link farm heuristics strongly suggest malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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://vilenefex.ru/award?keyword=bursitis+definicion+pdf PDF link annotation
- http://davorivugexawu.sportsontheweb.net/99518764302.pdfIn PDF document text
- http://sadogiropi.mypressonline.com/vipan.pdfIn PDF document text
- https://falojixij.weebly.com/uploads/1/3/4/8/134878909/dikizugagavi.pdfIn PDF document text
- https://xudomulur.weebly.com/uploads/1/3/4/0/134040538/dulomigofi.pdfIn PDF document text
- https://fubabogi.weebly.com/uploads/1/3/4/6/134617409/gepebobaki-rupamadiwefe-teroj.pdfIn PDF document text
- https://vamalogobiw.weebly.com/uploads/1/3/4/6/134696595/vividularubu.pdfIn PDF document text
- https://piwaxokireruber.weebly.com/uploads/1/3/0/9/130969414/zivosuputijagif-peboporesola-toxilow.pdfIn PDF document text
- https://vumifedesonuzik.weebly.com/uploads/1/3/4/8/134849268/9500847.pdfIn PDF document text
- https://bolowotusupiwam.weebly.com/uploads/1/3/5/3/135300352/2072465.pdfIn PDF document text
- http://mirolibilo.iblogger.org/jafexolizufiwifibukiveguv.pdfIn PDF document text
- https://mibarepazakeme.weebly.com/uploads/1/3/4/6/134685426/nipopenor_jakilizasifepo_bugepaliwu_wibasovasi.pdfIn PDF document text
- https://pajilolupifi.weebly.com/uploads/1/3/2/3/132302794/gixatupipagotozexem.pdfIn PDF document text
- https://javaredulag.weebly.com/uploads/1/3/4/6/134611390/8c8cc4efae95.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://zuvidetalenaras.epizy.com/soluwomuralos.pdfIn PDF document text
- https://fa53e508-d88d-41cb-897c-7a5b6f1bfcc3.filesusr.com/ugd/361045_507b921b116f41dca4105b45ae37aaf7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c74e884d-aa27-4c92-9513-24370f35ceeb/mubuweja.pdfIn PDF document text
- http://nuloporime.rf.gd/47029883867.pdfIn PDF document text
- http://joxelugokolutu.rf.gd/the_bodyguard_1992_songs_free.pdfIn PDF document text
- http://gejopap.rf.gd/vanebi.pdfIn PDF document text
- http://bavevex.onlinewebshop.net/50672135223.pdfIn PDF document text
- https://901c4554-6fda-40bf-8344-1f1538f5dc06.filesusr.com/ugd/a76634_3ce6d2b1d2a44f1e94b0810ac66b3843.pdf?index=trueIn PDF document text
- http://nitubak.atwebpages.com/medscape_physician_compensation_report_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d6127826-e36f-4977-a989-3023f1e84667/sword_art_online_hollow_realization_ps4_new_game_plus.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f148.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF148 | 4836 bytes |
SHA-256: 037887fe8b8be051400b10907b543986cbc38fb969f6bf6693e261cd3740d6bc |
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font_01_sfnt_off000101c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101C7 | 10000 bytes |
SHA-256: d3701d74f316f393035d29cf78c6752bea7298e3fb56e5a6cabbad1c534ddc00 |
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font_02_sfnt_off000123ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123EF | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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