MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM and the numerous unknown URLs suggest an attempt to host and distribute further malicious content. ClamAV detection and ML classification strongly indicate malicious intent, likely involving the exploitation of a PDF vulnerability to execute a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://dotbamboo.com/file_media/file_image/file/zijosefewetiza.pdf In PDF document text
- https://kermiradiatoriai.lt/images/files/83226591098.pdfIn PDF document text
- https://gaadalagi.com/contents/files/tituxolika.pdfIn PDF document text
- http://trubaopt.ru/content/file/maletalavugofenefa.pdfIn PDF document text
- https://www.geya99.com/ckfinder/userfiles/files/25109810360.pdfIn PDF document text
- https://rasathantrananotech.com/ckfinder/userfiles/files/pupubizemukegoxezov.pdfIn PDF document text
- http://belovosushi.ru/files/gofovotovow.pdfIn PDF document text
- http://vln.nl/files/file/67373801266.pdfIn PDF document text
- https://foundationkuzmanov.com/files/jakeba.pdfIn PDF document text
- https://smartstone.ca/userfiles/files/xijilit.pdfIn PDF document text
- https://vinniescustoms.com/userfiles/files/60307269219.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161384e445f17c---19575788117.pdfIn PDF document text
- https://inprovitecuador.com/ckfinder/userfiles/files/tuwokosukov.pdfIn PDF document text
- http://appartementslisa.it/an3_Uploads/file/narifetitosagimebube.pdfIn PDF document text
- https://hoavily.com/uploads/files/46023666291.pdfIn PDF document text
- http://stellarvvv.ru/ckfinder/userfiles/files/jimegazukosej.pdfIn PDF document text
- http://48bulls.com/js/upload/files/21555135792.pdfIn PDF document text
- https://thaiahpa.com/flash/files/wofumerokevuzogojazirino.pdfIn PDF document text
- http://paitoonbox.com/userfiles/files/vabulewolijinoper.pdfIn PDF document text
- https://dailyhondaotomientay.com/upload/files/xepowawadimumilisinogufig.pdfIn PDF document text
- http://slenderclub.cz/ckfinder/userfiles/files/47867772775.pdfIn PDF document text
- http://cristal-in.fr/userfiles/file/xibomomelarapoxedazexage.pdfIn PDF document text
- https://ndmoyun.com/calisma2/files/uploads/rulezesojifene.pdfIn PDF document text
- https://ingatlansos.hu/images/userfiles/file/86957053314.pdfIn PDF document text
- http://logiccpacma.com/ckfinder/userfiles/files/saxox.pdfIn PDF document text
- http://yizhu580.com/ckfinder/userfiles/files/57629795654.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=mp3tube+for+iosPDF 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_off0000dd19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD19 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f530.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF530 | 10444 bytes |
SHA-256: 4266789e02e84d222d38b9634f0f309db837ca7b5bf97e8ff5f6d11d053d49da |
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font_02_sfnt_off00010cd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CD8 | 18092 bytes |
SHA-256: fe129ef3a750db9948e545d08cd31a15e50c47806dc96fd796ca38cd3d6dd3fd |
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