MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a large number of external links, many of which point to compromised websites or disposable hosting, suggesting a phishing or malicious content delivery attempt. The presence of embedded JavaScript indicates an attempt to execute code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://kamakuralosgatos.com/uploads/files/xubusinonudupimikalifaza.pdf In PDF document text
- http://aarogyamedico.com/userfiles/file/wuvizavakewuvo.pdfIn PDF document text
- http://www.madiran-cruduparadis.fr/ckfinder/userfiles/files/zefotodititib.pdfIn PDF document text
- https://kemxoi.vn/app/webroot/files/images/pages/files/15742767325.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/161427a157c954---83639645693.pdfIn PDF document text
- http://papianiarch.it/userfiles/files/74176011947.pdfIn PDF document text
- https://casadko.fr/userfiles/file/nodozigomodura.pdfIn PDF document text
- https://sanaspinler.com/calisma2/files/uploads/90502878626.pdfIn PDF document text
- https://imad0c0.com/js/ckfinder/userfiles/files/5767748425.pdfIn PDF document text
- https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/75350883008.pdfIn PDF document text
- https://orcasproje.com/userfiles/file/42253828749.pdfIn PDF document text
- http://tdsns.ru/userfiles/file/wumuvewiwusopu.pdfIn PDF document text
- https://avukatwebsitesi.trakyasoft.com/upload/files/97096608622.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16139ff6cbad67---52684855178.pdfIn PDF document text
- http://emiem.pl/public/upload/ckfinder/userfiles/files/19187104010.pdfIn PDF document text
- https://manhalhealing.com/userfiles/file/25210569239.pdfIn PDF document text
- http://timnhanhonline.com/upload/files/pitujolili.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/161436906b9d6d---budixitarosetujefowaruj.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/4c2054b409f17b6858b7409d6c761aef/36911990453.pdfIn PDF document text
- http://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/24219501963.pdfIn PDF document text
- http://sochisushi.nl/survey/userfiles/files/xaluv.pdfIn PDF document text
- http://ibtaker.ps/userfiles/file/81658298013.pdfIn PDF document text
- http://ljsmelt.com/upload/files/54572235673.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=java+complete+reference+book+pdfPDF 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_off0000d5d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5D4 | 16716 bytes |
SHA-256: 32f5922e9df8be646cca6907b181ba111b83ca74718d3ac15c202e04cf677153 |
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font_01_sfnt_off00010104.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10104 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001191b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1191B | 10812 bytes |
SHA-256: 547c089b1ed5c727b9a3cf6f448278300ba654482a88feb13222b25050f1287e |
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