MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised CMS upload directories. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1c2ab31d29---42854219660.pdf In PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160809d9473079---meloton.pdfIn PDF document text
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/u36bn2jid52tla3lag505sn0nt/tujemojawisa.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096aaf62843d---xoteredetexitejasupo.pdfIn PDF document text
- http://mayamalay.com/clients/874202/File/kumodofijuvugaletugol.pdfIn PDF document text
- http://short-story.ru/upload/file/tonax.pdfIn PDF document text
- https://vico-real-estate.com/ckfinder/userfiles/files/38408997368.pdfIn PDF document text
- https://bancodevida.com/bancodevida/admin/images/image/file/pivalamefunodepidabogewa.pdfIn PDF document text
- http://ourconn.com/userfiles/file/202107201148022978.pdfIn PDF document text
- http://albertopizzetti.it/userfiles/files/wosozazawulizejolod.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608444a1705a5---96917811130.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/15gdhaq8m8o45h2gvv09p36ed4/rejabukud.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16090f6df78356---2094887894.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/3119d46d7021405c6c2fadc6a722ea44/37027531669.pdfIn PDF document text
- http://anandtouristcorporation.com/uploads/98695961196.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/0260f1b33f306d0ea172d23955bb09a1/62406249247.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b89ea9f26cf---sinanagiki.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/de15daab6eb352cb12ff5bdc3a9e75e6/66083076417.pdfIn PDF document text
- http://naturallabs.de/userfiles/file/talowawoge.pdfIn PDF document text
- http://yangs-ns.com/ckfinder/userfiles/files/20210710123702.pdfIn PDF document text
- http://baschin-heizung.com/meineBilderAlbertGrundschule/file/juxolodajexudag.pdfIn PDF document text
- http://circuitoinsulargc.com/documentos/file/goliwubedijupiviroworu.pdfIn PDF document text
- http://119hero.kr/userData/board/file/kuxopimaxarozawowigaboma.pdfIn PDF document text
- http://odessahighschool1970.com/clients/7/70/70263b1be1b93b62200e198143f59f20/File/19546840736.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/84d7h2270k06g88ralsg1hork0/luzuto.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=fichas+de+comprension+lectora+para+segundo+grado+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_off0000eddd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDDD | 11144 bytes |
SHA-256: c3ac20979956fd794547225a61c1e542c07850b799c704027e315b777fb2908d |
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font_01_sfnt_off00010783.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10783 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F95 | 19244 bytes |
SHA-256: 771b0e82033b716445a91b894424a8e3b71c6df990ebc8d94d2645080789f145 |
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