MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The presence of external URIs and a 'download button' heuristic suggests a phishing or social engineering attempt to trick the user into downloading a payload. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://studiotecnicoforace.eu/userfiles/files/lazekomejetasefapiwu.pdf In PDF document text
- http://architettipassarinmarzotto.com/userfiles/files/83142262828.pdfIn PDF document text
- https://agermag.ro/mm/file/gurumikamilokuneroganu.pdfIn PDF document text
- http://chieusangducphat.com/uploads/userfiles/file/43215599852.pdfIn PDF document text
- https://maharajganjtimes.com/assets/ckfinder/core/connector/php/uploads/files/kulagamavozidudalid.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/2bjp6gc603b70qjabn095b3bh8/gemazifoliwenosusiz.pdfIn PDF document text
- https://dom4m.by/userfiles/files/ziperepekivezape.pdfIn PDF document text
- http://jingluo.net/uploadfiles/files/janarewimefogitugeputez.pdfIn PDF document text
- https://dreptultau.hotnews.md/upload/userfiles/files/gutadezodi.pdfIn PDF document text
- https://asfus.net/virgsurv/userfiles/file/gexiton.pdfIn PDF document text
- http://ozona.pt/js/fckeditor/editor/filemanager/connectors/wysiwygfiles/file/78749006329.pdfIn PDF document text
- https://khyatiinfotech.biz/ckfinder/userfiles/files/33291897748.pdfIn PDF document text
- http://testsitehq.com/ckeditor-ckfinder-integration/uploads/files/vofeduxupon.pdfIn PDF document text
- http://mega-gold.com/userfiles/files/37645313847.pdfIn PDF document text
- http://weingut-suppan.at/files/kufolepuzeki.pdfIn PDF document text
- http://opgzvh.hr/upload/file/zogikuferagew.pdfIn PDF document text
- https://avenue102.com/uploads/file/52056210617.pdfIn PDF document text
- http://xn--z92bzy85x.com/userData/board/file/24008010317.pdfIn PDF document text
- http://bora.su/ckfinder/userfiles/files/sutavote.pdfIn PDF document text
- http://abwrosedale.com/uploads/files/tewupifibumobopasujivoni.pdfIn PDF document text
- https://talaa-obour.com/webmisr/uploadwebmisr/file/bitalexutarakeduxuvafeteg.pdfIn PDF document text
- http://njboyuanchem.com/upload/files/25485532811.pdfIn PDF document text
- http://sendedianqi.com/upload_fck/file/2021-9-6/20210906100117818874.pdfIn PDF document text
- http://daeryuhealthcare.com/ckupload/files/wikutawesasawe.pdfIn PDF document text
- http://hotdeals24x7.com/ci/userfiles/files/40965004474.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=tweakware+vpn+handler+apk+downloadPDF 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_off0000dbec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBEC | 19084 bytes |
SHA-256: 0044e0c8dfa85cc5f38873f48a67f1b555523a42fbbb099440c35d8546317e09 |
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font_01_sfnt_off00010d7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D7A | 10336 bytes |
SHA-256: b223d3887b4f78edb2dfae742a9a860cb84944502c809217d494f5b288e9debe |
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font_02_sfnt_off000124be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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