MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a tactic to obscure the true destination, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://tonioloclaudio.it/userfiles/files/5686672150.pdf In PDF document text
- https://epagneuls-bretons.fr/caningest/images/file/18435578070.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/69578193768.pdfIn PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/8e398ce0113f52e3517ddcf8cd303bd7/ramuditekebiru.pdfIn PDF document text
- https://nacituran.com/userfiles/file/jiwexefofosivulotavug.pdfIn PDF document text
- http://autoscuolemontagna.it/userfiles/files/pararuwelosowofasod.pdfIn PDF document text
- http://khacvietlaser.vn/public/images_news/files/sulozomib.pdfIn PDF document text
- https://chogmai.org/ckfinder/userfiles/files/bosonogevajat.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/161400447306b1---bazemal.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613c707d79704---juxiwovefusolit.pdfIn PDF document text
- http://neilreardon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xarafujola.pdfIn PDF document text
- http://chongthamnguoc.vn/img/files/wozeseregixuzutut.pdfIn PDF document text
- http://shoreluxurylimos.com/userfiles/files/bulilokufinuwon.pdfIn PDF document text
- https://equantumconsulting.com/files/files/19776327142.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613edbdd49f59---libawabisixame.pdfIn PDF document text
- http://delfosventures.eu/userfiles/files/32791397871.pdfIn PDF document text
- https://kaptenhoki.net/contents/files/63386855811.pdfIn PDF document text
- https://matraci.info/UserFiles/File/87886658927.pdfIn PDF document text
- https://yellowstonewildlife.com/resaxudowupasas.pdfIn PDF document text
- http://esrafisek.com/images_upload/files/jidezenirikobitijek.pdfIn PDF document text
- http://mnogonomerov.ru/uploads/file/45354246140.pdfIn PDF document text
- https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/foteput.pdfIn PDF document text
- http://1hozain.ru/files/userfiles/files/983853777.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16135c6e1b4b47---58956921380.pdfIn PDF document text
- https://artofsurfing.com/preview/ckfinder/userfiles/files/12653811493.pdfIn PDF document text
- http://studiotecnicopinto.it/userfiles/files/66936758398.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+exit+coloros+recovery+modePDF 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_off0000e4ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fce0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCE0 | 20288 bytes |
SHA-256: a2e00e650fa013808bd644fe48a2822755d69ff166927d9547738d0c66d59a6e |
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font_02_sfnt_off00013252.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13252 | 10624 bytes |
SHA-256: 4d0ad87cd510fa3e7db416d157cce990c4838184b2b634193b841f26dbb534be |
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