MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains embedded JavaScript and a large number of external URIs, many of which point to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The embedded JavaScript likely facilitates the redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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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://businessnavigator.in/ckeditor/uploads/files/lanozo.pdf In PDF document text
- https://2acontractor.it/images/file/64796076638.pdfIn PDF document text
- http://martonelektro.hu/files/file/90585449390.pdfIn PDF document text
- http://drapa-technika.cz/UserFiles/File/62631287288.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/ctue91k6kfm0fseilno7d51btl/ruxixarodi.pdfIn PDF document text
- http://first-group.kr/ckupload/files/8894943506.pdfIn PDF document text
- http://bajcsidavidfoto.com/_user/file/51311615048.pdfIn PDF document text
- http://nctpa.biz/clients/5/51/51e593b678cc4707ea5ff7b662bcbdb9/File/53162003595.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/1242f7d2610875c93bc229d851b38871/sanigowafobalugek.pdfIn PDF document text
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f59d04ef9e---kigoginivifejatonanu.pdfIn PDF document text
- http://firegallery.ru/img/upload/89899947321.pdfIn PDF document text
- http://musclecar-taps.com/js/upload/files/41705938452.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160bb2dbc4d073---tonizibowiv.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607417fca5f75---vatalakuxelalogala.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080e0005c847---90606458466.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16078e23e1a633---rujowoponozi.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a3db4f9363e---kijawabejedoleloda.pdfIn PDF document text
- http://faw-asia.com/image/upload/files/fuvojudifuluxewuwovomadu.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606dc6563131a---xavafiruwakirezifuzupa.pdfIn PDF document text
- https://cooperspick.com/files/namogizidavojoxibufid.pdfIn PDF document text
- http://drapa-technika.cz/UserFiles/File/zuzijerokowevuxejaf.pdfIn PDF document text
- https://www.hotel-restaurant-plainfaing.fr/ckfinder/userfiles/files/42259978582.pdfIn PDF document text
- https://snqrsl.quebec/upload/editor/file/varibowasirivepad.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9c2919418---88973675397.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=topologias+de+red+jerarquica+ventajas+y+desventajasPDF 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_off00010966.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10966 | 11208 bytes |
SHA-256: f24cbd3e04184a345613f4df9b90ef55d31c36b0f016b0113d503e85389e0d65 |
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font_01_sfnt_off00012350.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12350 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013b62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B62 | 17072 bytes |
SHA-256: c618a33404e76cb127df6f9f0096cf2d6aa943c7b6d137e3b12badc0a442593f |
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