MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, with several heuristics indicating it functions as a link farm, potentially leading to malicious sites or phishing pages. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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 http://ceskylakros.cz/userfiles/file/werubiwuguposejedet.pdf In PDF document text
- https://sibservis.com/ckfinder/userfiles/files/48337147726.pdfIn PDF document text
- http://reklamavysocina.cz/UserFiles/File/43341853082.pdfIn PDF document text
- http://kes.org/upload/editor/files/13414568209.pdfIn PDF document text
- http://dreesmann-foto.de/userfiles/file/dozed.pdfIn PDF document text
- https://www.bramfordgc.co.uk/ckfinder/userfiles/files/11649487558.pdfIn PDF document text
- https://sanaspinler.com/calisma2/files/uploads/kufupodalomebawijurawa.pdfIn PDF document text
- https://asesoriagade.com/app/webroot/files/files/75570507306.pdfIn PDF document text
- http://allivecoat.com/userData/board/file/poxevobobajotiro.pdfIn PDF document text
- http://pololanna.com/user_img/files/21057146783.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/161423331c1f2e---wadutevuwiruvowigidofosal.pdfIn PDF document text
- https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/sifujaxawulokigo.pdfIn PDF document text
- https://xn--z4qq44i.xn--kpry57d/upload/actfiles/jojobisesepuzevifelo.pdfIn PDF document text
- http://i-physiology.ru/upload/nidogoloxamowejivewema.pdfIn PDF document text
- https://huaienclinic.com/uploadpic/files/popalojano.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/1ca957c118c4fb869d053152074e25d3/26988299388.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/jt9qk2uciefmhpkj37ki1bm0r4/5812142390.pdfIn PDF document text
- http://mindatpeace.us/uploads/files/rinajemowupu.pdfIn PDF document text
- http://sportsgarten.com/editorData/file/sorubotulete.pdfIn PDF document text
- https://www.abrasco.org.br/ckfinder/userfiles/files/bifulusumojoz.pdfIn PDF document text
- http://www.prunay-en-yvelines.fr/ckfinder/userfiles/files/zidojarijifilogalegowez.pdfIn PDF document text
- http://garant-fond.ru/ckeditor/ckfinder/userfiles/Images/files/fifuwa.pdfIn PDF document text
- http://noithatmfc.com/media/ftp/file/85565348657.pdfIn PDF document text
- http://agriturismolescuderie.eu/userfiles/files/93610139534.pdfIn PDF document text
- https://eventpro-kontraktorpameran.com/uploaded/files/siroguvevajeboxikufe.pdfIn PDF document text
- https://dintek.eu/uploads/file/97643398654.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=words+that+start+with+w+and+end+with+xPDF 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_off0000b81e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB81E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d030.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD030 | 15136 bytes |
SHA-256: d271325204ac4aa04e82146f5ad9a2711d8766791e30d6fb26b1740686417130 |
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font_02_sfnt_off0000f5e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5E6 | 10480 bytes |
SHA-256: cd9abfe080cf1699f3dcf46df7631e2ea52f5e2cc719be303a03ac6990b968a2 |
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