MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to compromised WordPress upload storage and disposable hosting sites, likely to facilitate the download of a second-stage payload. The presence of embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16120071948b60---77976735859.pdf In PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/rezugadurukikerupepisaka.pdfIn PDF document text
- http://ansonseatery.com/uploads/files/38281278688.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/cnhlthhi9dql4sg2rifm76jih7/valepovu.pdfIn PDF document text
- http://m-s-g.ru/userfiles/files/xinegopoxunasobawob.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce17268f476---40506315878.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16089d89d33205---11618190603.pdfIn PDF document text
- http://stressmanagement-karriere.de/userfiles/file/gekoxarofaxufovijazokudes.pdfIn PDF document text
- https://dennismaloney.ca/upload/editor/file/zesuzetezedivozep.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/e36ffb115def524c5bd9d23b0bed1a31/8591026036.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a274e7c2b1---71344453492.pdfIn PDF document text
- https://luyenthitoeic.info/userfiles/file/49500666494.pdfIn PDF document text
- http://udclassof1968.com/clients/74076/File/pumawulela.pdfIn PDF document text
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e9637b4955b77105b36fade840f9ded0/dexotunivebifakelapine.pdfIn PDF document text
- http://byecook.com/ckupload/files/fudojej.pdfIn PDF document text
- http://baschin-heizung.com/meineBilderAlbertGrundschule/file/69974936040.pdfIn PDF document text
- http://ceramvetro.net/userfiles/file/darenekajokamepadoxiwup.pdfIn PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/gbkuobgtbb45bp2gvai15afl7n/14708235260.pdfIn PDF document text
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1b9281dc8---74241825165.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d29e09cf642---lapadifikakejaderiw.pdfIn PDF document text
- https://protrialse.eu/files/files/dimamoxupaz.pdfIn PDF document text
- http://ty-universe.com/image/files/20210603_040515.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-5-6/20210506185951293019.pdfIn PDF document text
- https://www.tvmreza.tv/ckfinder/userfiles/files/87501966900.pdfIn PDF document text
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/36c4b4e5ba3dd2ef1279f9b2b050ce2e/rivozimimuwed.pdfIn PDF document text
- http://dongduong.net/Images_upload/files/6088277145.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=procedural+text+template+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_off0000c951.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC951 | 16872 bytes |
SHA-256: 3f775a89b528ed44ca517d56e7dcfb2d4a4af3858b02890900ed4b23132ea866 |
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font_01_sfnt_off0000f510.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF510 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010d27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D27 | 10620 bytes |
SHA-256: c9c0a941e08da0dfb3c25210c2465a6ba0d3ca09ef4d7396449f917be6abe491 |
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