MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The presence of these links and the heuristic findings strongly suggest an attempt to lure victims to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://mediedil.eu/userfiles/files/50543770528.pdf In PDF document text
- https://artasedanasingaraja.com/uploadfck/file/39701901686.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613060c69c306---53032014854.pdfIn PDF document text
- http://gernano.eu/gfx/userfiles/files/tabaweni.pdfIn PDF document text
- https://alemarferries.alemarsnp.gr/ckfinder/userfiles/files/91131255613.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161383299a3761---filuk.pdfIn PDF document text
- http://grubstreet.ca/ckfinder/userfiles/files/14505752855.pdfIn PDF document text
- http://marcth.pl/media/fck/file/popesefan.pdfIn PDF document text
- https://ixiu-23.com/uploads/files/202109131220171076.pdfIn PDF document text
- https://bi-kiesabbau.de/cmsimple/images/file/vizivedakorokaluvefekowot.pdfIn PDF document text
- http://mxag.com/upload/browse/file/kamaneremopo.pdfIn PDF document text
- https://nslogisticservice.com/userfiles/files/78879741971.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/1lr19kabsec2usd61tea0l32as/41085687836.pdfIn PDF document text
- http://inoxbienhoa.com/upload/files/67339524422.pdfIn PDF document text
- http://contelex.it/userfiles/files/81880169418.pdfIn PDF document text
- http://gaongonmaiphuong.vn/webroot/img/files/jobajag.pdfIn PDF document text
- http://thenext.pk/userfiles/files/77252320287.pdfIn PDF document text
- https://milosislandrooms.gr/userfiles/file/61290387568.pdfIn PDF document text
- http://paolacaone.eu/userfiles/files/36364630378.pdfIn PDF document text
- http://0048.pl/48files/file/64897178875.pdfIn PDF document text
- https://washlounge.in/ckfinder/userfiles/files/69647138404.pdfIn PDF document text
- https://datenglagi.com/contents/files/82741067085.pdfIn PDF document text
- http://goteneplast.se/files/images/file/dagidimewun.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=android+video+player+pluginPDF 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_off00010a9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A9E | 18184 bytes |
SHA-256: 5a55f6f1bf94b4ee2ab787f603f4c23b8d17971bfc9cc436b98f7d1b6cd53df0 |
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font_01_sfnt_off00013ab4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AB4 | 10564 bytes |
SHA-256: d16b2b438a0fde93138471097ef0671db16bafad32887a522ccce084ccdba55c |
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font_02_sfnt_off000152aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x152AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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