MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting vulnerabilities or redirecting users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of links to potentially disposable domains, suggesting a phishing or spam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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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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://fusiongrup.ro/userfiles/file/23031548789.pdf In PDF document text
- https://softwebstar.com/shop/userfiles/file/18697452426.pdfIn PDF document text
- http://www.anapharmata.hu/ckfinder/core/connector/php/files/pofoleju.pdfIn PDF document text
- http://bsl-trans.ru/admin/ckfinder/userfiles/files/27020408255.pdfIn PDF document text
- http://xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/10866485062.pdfIn PDF document text
- http://www.oomedia.com.tw/ckfinder/userfiles/files/susurebalexinugag.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161318f14779ce---91800121850.pdfIn PDF document text
- http://xnucleus.com/members/member_images/files/79624831498.pdfIn PDF document text
- https://ruedi-leuthold.com/userfiles/files/sebipijejusegifobamunex.pdfIn PDF document text
- http://mazurubezpieczenia.pl/zdjecia/fck/file/pupemenozuwewedorinedozuj.pdfIn PDF document text
- https://mn-lawfirm.com/box/userfiles/file/bimibazadejiliw.pdfIn PDF document text
- http://mcutech.net/files/75534591709.pdfIn PDF document text
- http://ippinnudon.com/uploads/files/78484768545.pdfIn PDF document text
- http://chemsdano.com/upload/files/25545640409.pdfIn PDF document text
- http://energosol.pl/images_cms/file/45224219435.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/51940466120.pdfIn PDF document text
- http://fitviewer.com/files/file/sidizuk.pdfIn PDF document text
- http://jinistudy.com/_UploadFile/Images/file/sasexinanigumizu.pdfIn PDF document text
- http://ydyb.com/filespath/files/20210914132438.pdfIn PDF document text
- http://pomodorolennep.de/gfx/userfiles/files/zoposu.pdfIn PDF document text
- http://mweb.cz/images/file/wixebatavozudake.pdfIn PDF document text
- http://usarsenal.it/userfiles/files/zaxowo.pdfIn PDF document text
- https://newsru.md/upload/userfiles/files/47523181182.pdfIn PDF document text
- http://glassick.com/userfiles/file/xiriwabewogogavo.pdfIn PDF document text
- http://konferencii.org/js/ckfinder/userfiles/files/borazuwafoxer.pdfIn PDF document text
- http://iehyun.com/editorupload/file/98047364693.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=how+to+draw+a+robinPDF 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_off0000c310.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC310 | 10112 bytes |
SHA-256: 99d949e62ef0633585b9da84eedb38085fa4ad1e02fe5508d98dd24863659b3e |
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font_01_sfnt_off0000d9b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f1c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1C2 | 17252 bytes |
SHA-256: dfa431b453eee8ab2d7ad7b89203065872364aa8b99aac245de4e7a15996f9b1 |
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