MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to multiple distinct hosts, some of which are hosted on compromised CMS upload storage. The presence of numerous unknown URLs suggests a redirection mechanism to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://galaxytraining.examinationonline.com/files/rivolug.pdf In PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/vjk4au77v2i0f9jci3lujcmrdp/64848411135.pdfIn PDF document text
- http://tw-sincere.com/upfiles/editor/files/tedejodidam.pdfIn PDF document text
- https://honghow.com/ckfinder/userfiles/files/48583021737.pdfIn PDF document text
- http://kvbm.org/pds/userfiles/files/46297941788.pdfIn PDF document text
- http://tradeweb.es/userfiles/file/manunixiwax.pdfIn PDF document text
- https://ecohort.info/userfiles/files/ludifepug.pdfIn PDF document text
- http://tumwebthailand.com/ckfinder/userfiles/files/baveramijuxubelubinow.pdfIn PDF document text
- http://world-housing.jp/ckfinder/userfiles/files/bedenodad.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/160dfb6d5c1a3b0feba2e5cfad35532d/kebiwanubakojo.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/734ac51a2069be194939789b6a1b806c/24235014109.pdfIn PDF document text
- http://aktasmatbaacilik.com/resimlerfiles/vuwirifedidanif.pdfIn PDF document text
- http://bettynblue.com/upload/fck_img/20210913/file/gotixenov.pdfIn PDF document text
- http://huntland.hu/upload/file/bolas.pdfIn PDF document text
- https://shevtsov-art.com/uploads/files/63004366822.pdfIn PDF document text
- http://fszhenjia.com/upfolder/e/files/20210906180323.pdfIn PDF document text
- http://progettarecasa.com/userfiles/files/bilulejixesipixaxixe.pdfIn PDF document text
- http://lachina.cn/upload/file/3099284015.pdfIn PDF document text
- http://bedrucken24.de/userfiles/file/81949709035.pdfIn PDF document text
- http://yummyschool.com/_UploadFile/Images/file/83805646155.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/4dpalr2dob881hqlhnaeq3ucik/12046619945.pdfIn PDF document text
- http://innotack.com/userfiles/file/86428997842.pdfIn PDF document text
- http://sm300159.agchost.com/userfiles/files/weruravafibozabo.pdfIn PDF document text
- http://www.gieskestukadoors.nl/ckfinder/files/files/vajuledasofesi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=bpd+dsm+5+pdfPDF 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_off0000bd67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD67 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d57d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD57D | 9992 bytes |
SHA-256: 3010916eee06a4ac7dd778b62e74a4f914b54bd858e85b0497b35c14cdba2879 |
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font_02_sfnt_off0000eba1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBA1 | 18012 bytes |
SHA-256: f5ec4dc76cc229cd97cadbfda96e5754da66e5b5038829fab73a5f8607f97432 |
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