MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for delivering malicious content or redirecting users to malicious websites. Several heuristics indicate the presence of external URIs and link farms, some pointing to compromised CMS uploads, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection further support the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.5466
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 farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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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 https://hglobaltourb2c.com/FileData/ckfinder/files/20210910_BCB0F7ED7B092719.pdf In PDF document text
- http://gestioniarmatoriali.it/43244500876.pdfIn PDF document text
- http://szjg.hu/images/file/wesuxawijerat.pdfIn PDF document text
- https://tahubunting1.com/contents/files/kekitoped.pdfIn PDF document text
- https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/nojejumazojedinoxoviv.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16130da04c8706---98350020161.pdfIn PDF document text
- http://medianet2000.net/amm_prod/image_news_popup/file/49285914242.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2ac86d65e---73832656839.pdfIn PDF document text
- https://planningpvedh.nl/ckfinder/userfiles/files/55941393702.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/voduja.pdfIn PDF document text
- http://funagamex.vn/PhuongNamGroup/userfiles/files/zuwexo.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/3ef03907abcaebcac44a7cfc4675dacb/26549566404.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/19a9db2690447125a5fb89179e4919c9/142725085.pdfIn PDF document text
- http://naturestuff.nl/siteimages/file/76058263692.pdfIn PDF document text
- http://xn--80aaaaaikdebj9ccf1ayja1b5a3q.xn--p1ai/ckfinder/userfiles/files/32735234491.pdfIn PDF document text
- http://www.farmaciavictoriayjmleon.com/userfiles/files/97215446351.pdfIn PDF document text
- https://vinocastillo.hu/editor_up/purodamakusagu.pdfIn PDF document text
- http://adec-interiors.net/Uploads/file/xizixanat.pdfIn PDF document text
- http://papianiarch.it/userfiles/files/16404436096.pdfIn PDF document text
- https://inarsindbari.org/uploads/rotulaputupatixo.pdfIn PDF document text
- http://opt-russtd.ru/data_center/upload_pictures/file/46140012334.pdfIn PDF document text
- http://lanaecoloridabruzzo.it/userfiles/file/23690003156.pdfIn PDF document text
- http://gaishachuukobuhin.com/js/upload/files/75577148108.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161376ec66a2e0---welodipub.pdfIn PDF document text
- http://styrexon.cz/userfiles/file/12516606186.pdfIn PDF document text
- http://studioguidobarbieri.it/userfiles/files/wixawirorux.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=escape+from+alcatraz+full+movie+freePDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF053 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010865.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10865 | 18736 bytes |
SHA-256: 6cdf6027213520023839da899999711190d87c69e274f712223080844355b3f8 |
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