MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The sample is a PDF file identified as malicious by ML classifiers and ClamAV. It contains a link farm pointing to multiple PDF files hosted on compromised WordPress sites, indicating a likely phishing or malware distribution campaign. The PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristic specifically highlights the use of compromised WordPress upload storage.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://badrivishal.com/media/kezejuwupopumewoxuwidib.pdf In PDF document text
- https://austarpharma.austarchina.com/upload/files/tudilurorurozu.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614071895e5c3---jevidowit.pdfIn PDF document text
- http://adhdesign.de/userContent/files/20210906152945-birerub.pdfIn PDF document text
- http://architettoseneca.com/userfiles/files/87627967171.pdfIn PDF document text
- https://tinnituskozpont.hu/files/99072635663.pdfIn PDF document text
- https://matratva.in/userfiles/file/49527591826.pdfIn PDF document text
- https://xtremefitksa.com/ckfinder/userfiles/files/82740379344.pdfIn PDF document text
- http://kiajihlava.cz/UserFiles/File/zefasijewipuveduj.pdfIn PDF document text
- http://share-world.tw/userfiles/file/zabofutejudogo.pdfIn PDF document text
- http://phanmemerp.vn/attachment/files/mejibalidam.pdfIn PDF document text
- http://ministerium.pt/files/mukogixixuxifapanuvinifid.pdfIn PDF document text
- https://etest.vn/app/webroot/uploads/files/lugatiwarokabitipamefavo.pdfIn PDF document text
- http://pozitron-s.ru/userfiles/file/puwija.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/370b4c8f63361f4a2e8c0fbb8e84ee99/83574370001.pdfIn PDF document text
- http://finproekt-msk.ru/userfiles/file/nekupusivetobu.pdfIn PDF document text
- http://xn--82cac8d3ajrc0gd0bo4a7nf3qg.com/userfiles/files/potilojepoxizaxariw.pdfIn PDF document text
- http://sportsbettingconsultants.net/cote_dor_import/admin/ckfinder/userfiles/files/50187055010.pdfIn PDF document text
- http://3wsystems.com/shipinc/userfiles/files/87668678944.pdfIn PDF document text
- http://cisseo.net/userfiles/files/48034281957.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161620df182278---89099508375.pdfIn PDF document text
- http://jtipartner.com/ckfinder/userfiles/files/gapavuboroxegaj.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=radical+meaning+in+englishPDF 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_off0000cddd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDDD | 19768 bytes |
SHA-256: 22a2bec28bcb2c4cf4de0f1f58dcc429797068154f8282e710e2adca0bcec798 |
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font_01_sfnt_off00010161.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10161 | 10544 bytes |
SHA-256: fbebd861409d53e2ed6b4d98c5b828fb0c3b92b4c038307bea930f72cb32bcbc |
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font_02_sfnt_off000118e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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