MALICIOUS
106
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, with a high-confidence heuristic identifying it as a link farm hosted on disposable domains. One specific URL, http://lucidareemantenerepavimentifaidate.it/userfiles/files/648048332.pdf, was flagged as a random, algorithmically generated link, suggesting a malicious intent to redirect users. The presence of ML_NYX_PDF_MALICIOUS further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
Heuristics 5
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://medvor.ru/uplcv?utm_term=amplitube+app+for+android PDF link annotation
- http://foto-klub.dk/userfiles/file/zazudugoz.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/files/wotaregodinekab.pdfIn PDF document text
- https://studyhalltracker.com/files/file/mezosetetidepuluxises.pdfIn PDF document text
- http://topspeed4wd.com/ckfinder/userfiles/files/992939381.pdfIn PDF document text
- https://specialgarden.ro/userfiles/file/wazutewanazoga.pdfIn PDF document text
- https://magnettoptan.com/upload/ckfinder/files/julenakekekox.pdfIn PDF document text
- https://melnikhouse.com/userfiles/file/rezanabatenufevemifoze.pdfIn PDF document text
- https://sapporomn.com/userfiles/files/mifuzukorokidosekotejipi.pdfIn PDF document text
- http://lucidareemantenerepavimentifaidate.it/userfiles/files/648048332.pdfIn PDF document text
- https://www.jaegeraviation.com/ckfinder/userfiles/files/xapilazerewanimed.pdfIn PDF document text
- https://total-sport.pl/img/upload/files/67983800772.pdfIn PDF document text
- https://thegioidongphuc.net/ckfinder/userfiles/files/45526203409.pdfIn PDF document text
- http://siamsnail.com/media/userfiles/files/20460595612.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161341e7b24cf6---87617492117.pdfIn PDF document text
- http://encino.ilovepokebar.com/uploads/files/dutizoweworenebabesosiso.pdfIn PDF document text
- http://9262895.ru/ckfinder/userfiles/files/51408620713.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132e7e2f0cff---paximosiwapamep.pdfIn PDF document text
- https://cuacuonbentre.com/upload/files/10486743266.pdfIn PDF document text
- http://onlytech-tunisie.com/userfiles/file/visitakiwuvuf.pdfIn PDF document text
- http://burbank.kopanramen.com/uploads/files/zavadiwipotiri.pdfIn PDF document text
- http://baoveantam.info/upload/files/13370529357.pdfIn PDF document text
- http://perfect-aerosol.eu/userfiles/file/24995288115.pdfIn PDF document text
- https://www.q-jin.ne.jp/ckfinder/userfiles/files/91925146788.pdfIn PDF document text
- http://odessawa.com/userfiles/file/10858177551.pdfIn PDF document text
- http://2478.ru/admin/ckfinder/userfiles/files/72506147799.pdfIn PDF document text
- https://gikguamerica.com/userfiles/file/letobobetolatur.pdfIn PDF document text
- http://assisdrive.pt/userfiles/file/ribewujere.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ecf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF1 | 18056 bytes |
SHA-256: d4f6fe9ee3394370971d6264881be85bec41c28eaa175db391bbf13bab713c7d |
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font_01_sfnt_off00011bbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BBE | 10712 bytes |
SHA-256: 554c855abde07a4f25bae0ffa469d2cf6c5516de878f1848ea1c20e2e502d570 |
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font_02_sfnt_off0001340a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1340A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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