MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which host other PDF files. This behavior is indicative of a link farm designed to distribute malicious content or phish for credentials. The ML classifier and ClamAV detection strongly support its malicious nature, suggesting it's part of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9787
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://queure.ru/uplcv?utm_term=official+act+prep+guide+pdf PDF link annotation
- http://ahkjt.com/upfile/file/77191776056.pdfIn PDF document text
- http://deccanquest.com/konadnew/userfiles/file/52703260821.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/80971324830.pdfIn PDF document text
- http://ambvetsanprospero.eu/userfiles/files/18229392052.pdfIn PDF document text
- http://chiengthai.com/file_media/file_image/file/32998664537.pdfIn PDF document text
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bcba28a90ba---55839427533.pdfIn PDF document text
- http://polimak.pl/userfiles/file/rilidajelogafelazedebo.pdfIn PDF document text
- https://citytrafik.nu/images/file/vexexojixevazarifadaneb.pdfIn PDF document text
- http://banghetretunhien.com/media/ftp/file/porijivolexavagufe.pdfIn PDF document text
- http://boratohumculuk.com/ckfinder/userfiles/files/dixatagiwefokefojeril.pdfIn PDF document text
- http://duancanhotot.com/upload/files/lunenapuzolol.pdfIn PDF document text
- https://fanaf.com/article_ressources/file/lebotodudazuxopuganarepab.pdfIn PDF document text
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/899daa8e420f52e7057841688b173c91/20736110272.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/2882f1e6df2f073e7d784c772c436f0b/32148421537.pdfIn PDF document text
- http://alexanderkanevskyartistbiography.com/clientMedia/file/furagexeg.pdfIn PDF document text
- https://benjamindreyer.com/wp-content/plugins/super-forms/uploads/php/files/b919ca1796bbbc008fea4a4d97a14701/87180446726.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/a14f29ecc8a08317f438894ed2e8563d/18750355721.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/4747dddbf18d081296d1c63011d66943/53008423266.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16092e08aec4f9---jepopovegisekuwefonazovit.pdfIn PDF document text
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/lelvlr4ionmtlfb5irua5bgv1h/xepoxipamovapogirezit.pdfIn PDF document text
- https://condominiovillage.com/userfiles/file/farisudebufibe.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160981c1282198---tomigivumob.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b03269eb8---97804209715.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/48bd96fcaebb3d22b4995868882c27dc/munezurotemobizim.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/tpqi3av337apet5ud89b6funf2/winisoke.pdfIn PDF document text
- http://promocode.lu/userfiles/files/82870335034.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d6ddd69e142---25816972329.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a37b98b32e3---63606729422.pdfIn PDF document text
- 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_off000127bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127BD | 10528 bytes |
SHA-256: 60d612ad30b22d42beb0473c8f07c29165430744c4060722aecbc79719f8aa1d |
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font_01_sfnt_off00013fab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FAB | 18512 bytes |
SHA-256: 2bd990ed436080fba1bc42a736596a459eab454b013999045b070537d693b5e0 |
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font_02_sfnt_off00016eae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16EAE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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