MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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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://apexibd.com/uploads/fck_uploads/file/xeros.pdf In PDF document text
- http://theofficefurniturestore.com/ckfinder/userfiles/files/42762087865.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b9280797db7---zevabipajanigibepuvet.pdfIn PDF document text
- https://rsun.pro/admin/ckfinder/userfiles/files/fezofepuw.pdfIn PDF document text
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/qoiu20akr0ktv6scltk4joqe19/bawaxazoj.pdfIn PDF document text
- http://xn--vb0b83rba554gca.kr/page_data/file/20210531084631.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a09cc84a78a---31083443679.pdfIn PDF document text
- http://cy2hand.com/userfiles/tojusamitosokez.pdfIn PDF document text
- https://profix.fr/ckfinder/userfiles/files/wisilipuj.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607aac411c693---71373420352.pdfIn PDF document text
- https://108pizza.pl/uploads/userfiles/files/28834410723.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607720f0c026e---bezunilimetizetokenopira.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f36818d37---xulijipipakutebijen.pdfIn PDF document text
- http://jhferry.com/data/fckeditor/file///62635264313.pdfIn PDF document text
- http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/0fd5cf449a7bb9afe8964cd9d202e600/39651932437.pdfIn PDF document text
- http://flemisterbauldingfamily.com/clients/8/82/82a21d9598fc66f9117a8fb7222c8fd0/File/zinixikefakitunafaridojo.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610890c95a2b2---tirekenunonowujefedam.pdfIn PDF document text
- http://wolfroccatiassociati.it/userfiles/files/49398217758.pdfIn PDF document text
- http://goodmix-psc.com/userfiles/files/wujebefopozi.pdfIn PDF document text
- http://portalkucharski.pl/app/webroot/media/files/pozasa.pdfIn PDF document text
- http://nanopena.cz/upload/file/nuradonivanovoke.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160813bb6c4f75---kawalekugijetapelexex.pdfIn PDF document text
- https://cemb.ca/upload/editor/file/pepifuvot.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=como+fazer+carteirinha+de+estudantePDF 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_off00010be5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BE5 | 10888 bytes |
SHA-256: 4193757c40379b8bafed9295c8937067ba82eff6b2111f0d9363d68fe83116e5 |
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font_01_sfnt_off000124f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124F5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013d07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D07 | 19912 bytes |
SHA-256: 1cbe2245334ee49d9cd7d691a262d6ee5f56210b43c99b731ddd1ff83cfe4182 |
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