MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, suggesting it is designed to redirect users to potentially harmful websites. The presence of a link farm heuristic further supports the idea that the PDF is used to distribute or host malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://vanguardhungary.hu/userfiles/file/62185422685.pdf In PDF document text
- http://www.gieskestukadoors.nl/ckfinder/files/files/jonudovamikimusixufaxene.pdfIn PDF document text
- http://charmingcurls.se/upload/file/43023424738.pdfIn PDF document text
- http://ibrahimabuomira.com/ckeditor/ckfinder/userfiles/files/jarixetanafujukenavedodov.pdfIn PDF document text
- https://5udua.com/contents/files/riperibu.pdfIn macro / runtime command snippet
- http://geodez.com/pliki/file/58146456691.pdfIn macro / runtime command snippet
- http://devison-matras.com/upload/file/zoxizosuravaxevumofe.pdfIn PDF document text
- http://razzledazzleevents.in/userfiles/file/jubarivifonovuvubi.pdfIn PDF document text
- http://blackhorsesc.pl/userfiles/file/59370433442.pdfIn PDF document text
- http://rajasthanmetals.com/userfiles/file/95248845749.pdfIn PDF document text
- http://hoclaixebinhthuan.com/upload/contentFile/file/30223837405.pdfIn PDF document text
- http://yogaschoolofkerala.com/photos/editor/files/dajopir.pdfIn PDF document text
- https://360clothing.in/home/www360cl/public_html/uploads/images/files/98499317661.pdfIn PDF document text
- http://ippinnudon.com/uploads/files/banonapexesivof.pdfIn PDF document text
- https://www.algeos.com/js/ckfinder/userfiles/files/volebizid.pdfIn PDF document text
- http://uzmansporzeminkaplama.com/resimler/files/nokokapenepivijotumopelaf.pdfIn PDF document text
- https://triyoga-tv.ru/userfiles/file/72324651288.pdfIn PDF document text
- https://hnhaa.com/userfiles/tnejp/files/jimatavoribopiweja.pdfIn PDF document text
- http://cesnek-vysocina.cz/UserFiles/File/53914618336.pdfIn PDF document text
- http://sspvjd.com/FileData/ckfinder/files/20210907_02FF9569E0996DA0.pdfIn PDF document text
- https://mallarpurnaisuva.org/go/file/70234821167.pdfIn PDF document text
- http://robalton.es/Albums/images/file///bulakufonuzezinukavop.pdfIn PDF document text
- https://electrodomesticaruano.com/images/ckfinder/files/piponomiwoxul.pdfIn PDF document text
- http://ibrahimabuomiraIn macro / runtime command snippet
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=chemistry+lab+things+namePDF 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_off0000b8fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8FB | 10720 bytes |
SHA-256: 8d910c1fc9a6e5cbc55f9c814bfbf6e7df0795db015fe175c947059266617c83 |
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font_01_sfnt_off0000d179.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD179 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e98b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE98B | 16756 bytes |
SHA-256: 6b35e17ba3117b0510f2ceaffddd340994eb9e02acbfcd9d8f6eaf6f3302b3e4 |
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