MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links to external resources, with one heuristic specifically identifying it as a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to trick users into downloading a secondary payload. No scripts were extracted, but the presence of numerous URLs and the PDF_RANDOM_URL_LINK heuristic suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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 http://vincitydata.com/uploads/ckfinder/files/goniwogagexujizegolib.pdf In PDF document text
- https://edgecs.com/documents/72428843691.pdfIn PDF document text
- http://songhandiban.com/uploadfile/file/2021091318004673499.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147f56987efd---jedefidab.pdfIn PDF document text
- https://oncallanatomist.org/ckfinder/userfiles/files/57466033741.pdfIn PDF document text
- http://sk4education.com/ckfinder/userfiles/files/sisovew.pdfIn PDF document text
- http://circolosilverblufitnessclub.eu/userfiles/files/25533989752.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/hn2ahofhk6fbe4i7i53fm2du34/88885661169.pdfIn PDF document text
- http://mebizstekla.ru/userfiles/file/jabafosumidijawoxo.pdfIn PDF document text
- http://chistogood.ru/admin/ckfinder/userfiles/files/sobik.pdfIn PDF document text
- https://thokhoavietnam.com/upload/files/sexefepilogewudunajudi.pdfIn PDF document text
- http://itemclinicchina.com/ckupload/files/rugebigitaxo.pdfIn PDF document text
- http://agro-pasz.pl/ckfinder/userfiles/files/59712500527.pdfIn PDF document text
- https://landi-bg.com/images/file/tegukilap.pdfIn PDF document text
- http://silverspringabw.com/uploads/files/begejuded.pdfIn PDF document text
- https://mimpishio1bet.com/contents/files/8922596818.pdfIn PDF document text
- https://almuhja.ps/ckfinder/userfiles/files/lifogadutitovizobaf.pdfIn PDF document text
- http://campbellelectronics.com/uploads/16926373029.pdfIn PDF document text
- http://quangcaosms.org/media/ftp/file/kulivazupogasiwafuvesar.pdfIn PDF document text
- https://gkia.org/kingkong/userfiles/files/newobosukunujunav.pdfIn PDF document text
- http://okudshava.ru/userfiles/file/98645033110.pdfIn PDF document text
- https://schachverein-marchhoefe.ch/fcsr/news/upload/file/bokiwuwagavogumupi.pdfIn PDF document text
- http://mayinluatudong.com/uploads/userfiles/file/nenazegaxuduxalepusodojov.pdfIn PDF document text
- http://pk.mo/userfiles/file/kukipa.pdfIn PDF document text
- http://xn--sanitrprofi-p8a.ch/fckeditor/editor/images/file/tokufogilobisixuwuworejok.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=descargar+roms+gba+para+android+gratis+en+espa%C3%B1olPDF link annotation
- 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_off0000e6cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6CB | 20188 bytes |
SHA-256: 0d1db1dcf13e552b0d6935aa6274f68568fa47f1baa2b56cf05dbbda20df8375 |
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font_01_sfnt_off00011a49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A49 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013260.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13260 | 11204 bytes |
SHA-256: 234f9e946c81f99a9bcb47ee748792e486c4963ae271cb1d76dccaba20a1fff5 |
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