MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, detecting it as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to compromised or disposable hosting. These links likely serve to redirect users to malicious websites for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://nhabe.com.vn/ckfinder/userfiles/files/pafafowetoz.pdf In PDF document text
- http://www.cafeinca.com/img/public/contenido/file/56582038187.pdfIn PDF document text
- http://lexuspolymers.com/assets/ckfinder/userfiles/files/3663660050.pdfIn PDF document text
- http://phukhoabacninh.com/images/files/kigolorevifuxi.pdfIn PDF document text
- https://www.gullyracing.it/admin/ckfinder/userfiles/files/63002245314.pdfIn PDF document text
- http://chikatere.com/Upload/files/51963821368.pdfIn PDF document text
- http://exdebt.bg/userfiles/file/3763330177.pdfIn PDF document text
- http://tangneylaw.com/admin/images/file/mosajuluxodokamolidivav.pdfIn PDF document text
- http://pietrek.com/MARCUS/files/file/66956072882.pdfIn PDF document text
- http://old.arcnet.org.tw/ckfinder/userfiles/files/54493382369.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/259b9fe1d1f821c775151963525d38e7/65457630008.pdfIn PDF document text
- https://mimpiindah88.com/contents/files/39334081240.pdfIn PDF document text
- http://kelkenaghshband.com/app/webroot/img/files/pagekuwanorinanaragore.pdfIn PDF document text
- http://usateatop.com/_upload/files/jisuze.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613748b379807---fofuxaforeribitezo.pdfIn PDF document text
- https://powermailer.in/userfiles/file/velexuwilur.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613319bf30afd---femiwojinonigazitak.pdfIn PDF document text
- https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/nisesaw.pdfIn PDF document text
- http://cu-mbc.com/ckfinder/userfiles/files/buwazulug.pdfIn PDF document text
- http://www.binghan.my/userfiles/file/bemobetedafedozotazora.pdfIn PDF document text
- https://gregoryshow.ru/files/file/29819262545.pdfIn PDF document text
- https://soswzgierz.pl/web/uploads/files/josujabu.pdfIn PDF document text
- https://foursservices.com/nbloom/fckuploads/file/80416843764.pdfIn PDF document text
- https://lee-trading.tw/archive/upload/files/xuruvatusutokosa.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=rationalize+radicals+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_off0000d330.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD330 | 10716 bytes |
SHA-256: c8d092061dbc318a3d1261a7eaf62732fc23a97365a5ff1f812d92bfd1ac2c3b |
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font_01_sfnt_off0000ebf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF2 | 18532 bytes |
SHA-256: e8aa408119b25eddcb0889d897476cb32f937c1fcce407bae519aa5a47913d65 |
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font_02_sfnt_off00011c78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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