MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1105 Ingress Tool Transfer
The PDF contains embedded JavaScript and multiple external URLs, many of which are hosted on compromised CMS upload storage or disposable hosting, suggesting a phishing or malware distribution attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the URL with 'utm_term=manually+activate+windows+7' indicate a lure to trick users into clicking malicious links. The embedded JavaScript likely facilitates the download or redirection to a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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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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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 https://smidgel.ru/uplcv?utm_term=manually+activate+windows+7 PDF link annotation
- http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/61316531.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/0f99b10f69c59cb77141c6bfbe443e16/68958779108.pdfIn PDF document text
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/aeca87380af7a02f0c6c02e4bff03aec/fipodamamumabuximexixejo.pdfIn PDF document text
- http://clinicaveterinariabilancino.it/userfiles/files/90313734058.pdfIn PDF document text
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/82843033547.pdfIn PDF document text
- http://strandedtattoo.net/file/mojurozagitibixoxejuli.pdfIn PDF document text
- http://knuhpharm.kr/userfiles/file/20210801155256.pdfIn PDF document text
- http://0vote.com/ckfinder/files/31880163529.pdfIn PDF document text
- http://lifeisartfoundation.org/sites/default/files/images/userfiles/file/petisokapogokopitazaxe.pdfIn PDF document text
- http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kabevumijezega.pdfIn PDF document text
- http://grafichesirio.com/userfiles/files/mufub.pdfIn PDF document text
- http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/bufusolixinigosuwezofi.pdfIn PDF document text
- https://mountmoriahcamp.com/media/9174629954.pdfIn PDF document text
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/ef20ac520dfa0cac9006732edf8d72fe/vimefejukupazazagupikugo.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607938c20c48b---18370196642.pdfIn PDF document text
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/1f0002dd8276e50d7d3b63921f2990bc/zazufixesisodaf.pdfIn PDF document text
- http://pwmtqatar.net/userfiles/file/80452376369.pdfIn PDF document text
- https://betenenergy.com/sites/default/files/file/kekupadowipopejux.pdfIn PDF document text
- http://maskaevlawyer.ru/userfiles/file/nisexiwapezupuwozenapap.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/601ea3a7b7fb0d7517c51a39979833a5/naluj.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e43ef06e214---57606311369.pdfIn PDF document text
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/on8h19qd8rg36aq3acsv72ll7g/15876709327.pdfIn PDF document text
- http://mmbc.cz/_data/user_files/file/pelexesarinexadizakuzini.pdfIn PDF document text
- https://www.asoriofrio.org/ckfinder/userfiles/files/bulufoxeta.pdfIn PDF document text
- 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_off0000da54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA54 | 10672 bytes |
SHA-256: 3b0513d3910e1c1bb3b0ac911ef3d5cab2fa4c933d5059f35ed36521db80ab2b |
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font_01_sfnt_off0000f311.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF311 | 16772 bytes |
SHA-256: b2e1ad0849a3272842571e9219a0143d3d6e671e4a463d64ca03ed3e91f4d2f2 |
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font_02_sfnt_off00011e87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E87 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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