MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which point to potentially malicious domains. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicates a deliberate attempt to create a link farm, a common tactic for phishing or distributing malware. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://www.naabelectric.com/userfiles/files/milumavavumi.pdf In PDF document text
- http://yanartextil.com/firma/files/jomaduzatem.pdfIn PDF document text
- http://hwayoung.kr/upfile/files/bitokonogizatofaxex.pdfIn PDF document text
- http://sterenstein.ru/userfiles/file/89042121095.pdfIn PDF document text
- http://fruhmann-elektrotechnik.at/luzukerilubo.pdfIn PDF document text
- http://ping-property.com/user_img/files/78916800626.pdfIn PDF document text
- http://reliancefla.com/admin/images/file/dusuwa.pdfIn PDF document text
- https://olterus.info/contents/files/zuziges.pdfIn PDF document text
- http://fujavietnam.com/images/Download/3024340804.pdfIn PDF document text
- http://jenan.com/ckfinder/userfiles/files/87331040615.pdfIn PDF document text
- http://equipociclistaugeraga.com/ciclistas/userfiles/file/55358655123.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614c8d083172f---kuwodukem.pdfIn PDF document text
- http://ibrahimabuomira.com/ckeditor/ckfinder/userfiles/files/tiranorokokikireda.pdfIn PDF document text
- http://lubrifianti-auto.ro/files/file/luwukuvadazemes.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161521c245f77b---zuzosunuxopexusog.pdfIn PDF document text
- http://stroyindustry.com/userfiles/file/pariselixerefe.pdfIn PDF document text
- http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/rigitonasuxuxexakidu.pdfIn PDF document text
- http://wildpflanzen-planung.de/file/43237251287.pdfIn PDF document text
- http://tcgardening.com/userfiles/file/2021090309211073499.pdfIn PDF document text
- http://centromedicoveterinarioadda.com/userfiles/files/tekumuvinuwajedafumoge.pdfIn PDF document text
- https://viettrungson.com/media/Files/9922513079.pdfIn PDF document text
- http://achilleferolla.it/userfiles/files/82932387995.pdfIn PDF document text
- http://se-ty.ru/uploads/userfiles/file/86235119289.pdfIn PDF document text
- http://hanasushimenifee.com/uploads/files/zifegubokakaxobaxedok.pdfIn PDF document text
- http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/xugarovegukujupizi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=app+for+viewing+private+instagram+accountsPDF 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_off0000b701.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB701 | 17704 bytes |
SHA-256: 31809785133c537b179106b0958021797b6c41db18ac82bda68c6fd9ee936f1a |
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font_01_sfnt_off0000e3f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC0B | 11008 bytes |
SHA-256: bf6b94da2ec831c43fc0bb559137f34c564a8e741c4305c10b23b594c70c5563 |
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