MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS uploads. The presence of numerous links, including one pointing to a compromised WordPress upload, suggests an attempt to distribute malicious content or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://mineraux-et-lithotherapie.fr/ckeditor/upload/files/jomerarasu.pdf In PDF document text
- http://eprdel.cz/userfiles/file/66290078050.pdfIn PDF document text
- http://condosworld.com/abisol1/userfiles/files/fudekirokeruw.pdfIn PDF document text
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/b03c157aace81b5578c3f3d2231528de/55517318749.pdfIn PDF document text
- https://kme.pl/global/app/webroot/uploads/file/1630669808266.pdfIn PDF document text
- https://laser123.com/geektic/files/67057027667.pdfIn PDF document text
- http://tcyy88.com/userfiles/file/2021090607443273499.pdfIn PDF document text
- http://www.motionmantra.com/userfiles/files/giwivakixinexuxifuzel.pdfIn PDF document text
- http://sinsg.com/files/fckeditor/file/97159809337.pdfIn PDF document text
- http://cupta.org/userfiles/files/20210904083235.pdfIn PDF document text
- https://dolaodong.com/userfiles/file/nuzuvesowuforibalekegoto.pdfIn PDF document text
- http://feach.ie/images/uploads/file/nezaxa.pdfIn PDF document text
- http://hvezda-pardubice.cz/files/file/nolujoluzejupaz.pdfIn PDF document text
- http://samurairamenbar.com/uploads/files/wadematedaxupagalut.pdfIn PDF document text
- http://www.advokat.com/app/webroot/img/fck/file/44768091696.pdfIn PDF document text
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fariromatanoji.pdfIn PDF document text
- http://e-store-sys.com/userfiles/file/tukiguzovuxaruguxuperoge.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/br3l8qim1rpg49k50n7vcq87co/96035876609.pdfIn PDF document text
- https://esprimagroup.com/userfiles/file/pagupudako.pdfIn PDF document text
- https://mogilew.ru/userfiles/file/komupitegejepujixegexi.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/161334e2e8db8f---puxovewekazikux.pdfIn PDF document text
- https://gabinetpro.pl/kosmetyczka/krakow/files/fosorage.pdfIn PDF document text
- http://franceplus.fr/userfiles/file/toperizufimuzofavo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=hard+reset+android+with+pcPDF 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_off0000efee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFEE | 10644 bytes |
SHA-256: e21c54879e18dca5de52aa9761ecdf5f79e2109272dac1be95888cd7583b9b22 |
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font_01_sfnt_off00010838.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10838 | 18372 bytes |
SHA-256: 2c72741b62d5c10df0f1c375b4b1635eb90068d4fd6772a07de793fb46bff09a |
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font_02_sfnt_off0001378c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1378C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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