MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The presence of multiple compromised upload links and a link farm on disposable hosting points to an attempt to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://istruttorecinofilo.it/userfiles/file/22813663656.pdf In PDF document text
- http://tdsns.ru/userfiles/file/zofogezuretef.pdfIn PDF document text
- https://larrialdiak.es/files/galeria/files/gufisadutabulapoziso.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/97144272139.pdfIn PDF document text
- https://dp-engineers.com/admin/userfiles/file/24725204667.pdfIn PDF document text
- https://fortworthdental.net/cmsCart/upload/file/dadagelugodefuze.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135787c34a69---munuji.pdfIn PDF document text
- https://ktmcollege.org/public_html/userfiles/file/pexetura.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132aa892276e---lezabefate.pdfIn PDF document text
- http://studiocalderini.it/userfiles/files/nanejatuxuwurokifowefami.pdfIn PDF document text
- http://eg-connect.com/uploads/editorfiles/file///funupelexamedidofobonozu.pdfIn PDF document text
- https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/xuwob.pdfIn PDF document text
- http://uklearningnetwork.com/userfiles/file/18359913498.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/0c8003ea0cd74d2d67b65d08fee174a7/mukulefobilare.pdfIn PDF document text
- http://getrade.net/uploadfiles/file/84827263884.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612f21b6940a5---18611431226.pdfIn PDF document text
- http://makesomenoise.hu/upload/file/40881688295.pdfIn PDF document text
- https://lajovisena.com/gallery/file/sutone.pdfIn PDF document text
- http://zzps.pl/userfiles/file/rezalozirezoza.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/caed1f6ca253d75b2f501deb6a0e3b16/85386086761.pdfIn PDF document text
- http://camara.acessoainformacao.org/uploads/ckfinder/files/mowanerumipubijipivodimus.pdfIn PDF document text
- http://moveworldtogether.com/datas/files/51836285682.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613a09e266710---84833808586.pdfIn PDF document text
- http://sieuthihatgiong.vn/webroot/img/files/68699783363.pdfIn PDF document text
- https://asiantms.com/ckfinder/userfiles/files/12686887917.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=sylvester+and+the+magic+pebble+read+onlinePDF 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_off0000d87e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD87E | 11356 bytes |
SHA-256: 56dc11d08d7475f91f4590db7f5b1ddffb4f307012d18ec1752d700092599a47 |
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font_01_sfnt_off0000f298.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF298 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010aaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AAA | 17476 bytes |
SHA-256: 04a9edd7d999cfbc74ca60e68edac127a9e72593cbc84bb93654e12f6a361a5d |
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