MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites, suggesting a link farm designed to distribute malicious content or manipulate search engine results. The presence of these links and the detection as a phishing trojan indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://newat.ru/wp-content/plugins/super-forms/uploads/php/files/f654adc242624c53e11562adab125486/65153370051.pdf In PDF document text
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/88777058185.pdfIn PDF document text
- http://casaatlantida.com/userfiles/file///takadetegipopuwimino.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16098347e7b997---69745109384.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160fea1f7a5280---60605760156.pdfIn PDF document text
- http://onlinecommerce.bg/uploads/pages/files/folefatokuruvesolorureg.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/09eaa29956c0cb1353cceb2a7550c56d/voguzukesoluvatumubejuk.pdfIn PDF document text
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afe5563e404---43945982392.pdfIn PDF document text
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/8ce44a6075d8fb1f9dbb4cd08f83b466/28220829018.pdfIn PDF document text
- https://houstoncoinshow.org/FCKeditor/file/86024829513.pdfIn PDF document text
- http://quanhoangtsi.com/upload/quangtri/files/39677025935.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/7c36baefcdfd1876c3459165d0548306/menafimufoniwadof.pdfIn PDF document text
- http://hoangminhceramics.com/app/webroot/uploads/files/83043452344.pdfIn PDF document text
- https://mimpishio2.net/contents//files/dewejal.pdfIn PDF document text
- http://colegiosantarosa.com/uploads/imagem/file/zujodugudaxixagagidufat.pdfIn PDF document text
- https://dd-inside.de/userfile/file/zubaramepabuvod.pdfIn PDF document text
- https://soudurelauziere.com/upload/editor/file/felepovugakosorar.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160825aeb3882c---mepisasexux.pdfIn PDF document text
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/b50bfe75335cbf68f31398ab19d31776/61581068379.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d1fd80e17---66377204365.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a119852ee31---nekarovafuvekilibaloben.pdfIn PDF document text
- http://fresh-j.info/images/uploadedimages/file/fuwukuxiwimazebipa.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/a9a5db18d4f15e4d7bc4bf2c841aa2df/zilesinawunalariveke.pdfIn PDF document text
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca2a02fb6a---zowimipenonizaket.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=what+does+hydrogen+peroxide+do+to+catalasePDF 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_off0000fcec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCEC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011503.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11503 | 11000 bytes |
SHA-256: b33dd3928f2808b9ffcbd876c66f035dcc0fdcfc93e9c96c33daf4441447e1fc |
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font_02_sfnt_off00012e5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E5B | 17216 bytes |
SHA-256: a690a53abdf36774399181f5b698361f0976662376e59971795768efbdbe3cf2 |
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