MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised or disposable domains, suggesting a phishing or link-farming campaign. The PDF structure and embedded URLs point towards an attempt to redirect users to malicious sites, likely for credential theft or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://ketchas.ru/uplcv?utm_term=top+5+best+mobile+games PDF link annotation
- http://navigator-nsk.ru/userfiles/file/14200312441.pdfIn PDF document text
- https://cantarefides.ro/admin/userfiles/file/9952545443.pdfIn PDF document text
- http://aesg2edcv.handylover.com/upload/files/bogojonuxixukuxozasazovag.pdfIn PDF document text
- http://gma.ge/admin/ckeditor/ckfinder/userfiles/files/86265404200.pdfIn PDF document text
- http://razaviota.ir/basefile/razaviotair/files/51835576560.pdfIn PDF document text
- http://www.egavilanes.com/ckfinder/userfiles/files/84291888281.pdfIn PDF document text
- https://www.elshandmadedesign.nl/ckfinder/userfiles/files/bewipizezezogejojasado.pdfIn PDF document text
- http://lubrifianti-auto.ro/files/file/57210952857.pdfIn PDF document text
- http://www.mbk-montage.nl/ckfinder/userfiles/files/20395709211.pdfIn PDF document text
- https://kujainspectors.com/candyticket/uploads/page_images/files/goximos.pdfIn PDF document text
- https://www.hippocratio.gr/ckfinder/userfiles/files/53141939275.pdfIn PDF document text
- https://landtop.com/filespath/files/20210901210939.pdfIn PDF document text
- http://laxycoffee.com/upload/files/6204661152.pdfIn PDF document text
- http://staresecurity.com/userfiles/file/83429203174.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f98403c603---91447160702.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ac4c05c84---mojuvufinajasol.pdfIn PDF document text
- http://www.ssc-ras.ru/ckfinder/userfiles/files/90795342881.pdfIn PDF document text
- http://aktasmatbaacilik.com/resimlerfiles/96646465175.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134ffa3d0b94---69510651627.pdfIn PDF document text
- http://mascotdd.com/file_media/file_image/file/9051497278.pdfIn PDF document text
- https://dhins.com/testingsites/advantage_aviation/assets/media/file/73839861772.pdfIn PDF document text
- https://www.almuhja.com/ckfinder/userfiles/files/mipoxilefifuf.pdfIn PDF document text
- http://srmtteaparty.com/uploads/files/202109070427362747.pdfIn PDF document text
- http://pixel-pro.ru/upload/file/sewebakozufuvazeke.pdfIn PDF document text
- http://studiogiamberardino.it/userfiles/files/50730901754.pdfIn PDF document text
- 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_off0000e701.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE701 | 10628 bytes |
SHA-256: 8c8c918e3a3add6eb1e332263c0151e258a05220df74b18f9d94895137906fb5 |
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font_01_sfnt_off0000ff22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF22 | 17784 bytes |
SHA-256: f5d3d84d76e2971b78ba99760c58fb2cdbbb4d8ea754d208e09d536c87cdb571 |
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font_02_sfnt_off00012d80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D80 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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