MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users. The primary purpose appears to be directing users to potentially malicious external sites, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://burelomdo.com/ckfinder/userfiles/files/nuzepo.pdf In PDF document text
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e23ac3d68---dirisibilas.pdfIn PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/ad0bef57d3d8f0c92dde8163af304dda/numinuruwotigereb.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094732a3b130---18543877354.pdfIn PDF document text
- https://luminex.pl/upload/file/zovaresozubufurud.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/af047ad5d381c4988552d2c75dbba328/suvazurasop.pdfIn PDF document text
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081390b9f4b9---56294480945.pdfIn PDF document text
- https://sfilatinogourmet.it/file/75341651505.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/ab67bfc536756cdf3aff11c3d2635bcf/5649132174.pdfIn PDF document text
- https://talaa-obour.com/webmisr/uploadwebmisr/file/3761809671.pdfIn PDF document text
- http://bjeclinic.com/ckfinder/userfiles/files/71878438104.pdfIn PDF document text
- http://eros-arena-reutlingen.de/eros/userfiles/file/63458091628.pdfIn PDF document text
- https://gloriamus.org/Uploads/userfiles/files/61736049246.pdfIn PDF document text
- http://kagoshimakojintaxi.com/userfiles/file/kumajazakiwebogejug.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/b8598ec2bbc9ce41d03c3d37f8df1768/datoxularizajerazojidive.pdfIn PDF document text
- https://wodepcb.cn/uploadfiles/files/lepujanamat.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ed8ae3682ab---43537742250.pdfIn PDF document text
- http://bluecars.pl/userfiles/file/59586445606.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afbc5928ebf---3623455855.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e3ad3d12f---53661333066.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/o13dghfbf0m5f0ov13iaq31gc1/91688961723.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16097798dc6be4---nifukepemuketim.pdfIn PDF document text
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/5en2u6tanjde2d8026sep940dl/21491974047.pdfIn PDF document text
- https://zerling.eu/nico/images/files/viwevetugagiwiponari.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=drawing+room+in+a+housePDF 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_off0000e92f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE92F | 10596 bytes |
SHA-256: 020000227400fffee9d90963152e7b6642d386e8168d9851b3c756e61034726d |
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font_01_sfnt_off00010137.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10137 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011949.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11949 | 17252 bytes |
SHA-256: 02e2098d64839c4e94e9a205ade501adf2e0bfb6bc94e0f84fbe338e28c57916 |
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