MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links pointing to compromised WordPress upload storage and other disposable hosting, suggesting a link farm designed to host or redirect to malicious content. The presence of embedded URLs and the nature of the heuristics strongly suggest this PDF is part of a phishing campaign, likely attempting to trick users into downloading further malware or visiting malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160785244b68c6---13228596930.pdf In PDF document text
- http://brezov-gaj.si/uporabnik/file/76996895517.pdfIn PDF document text
- https://congnghieptauthuyvietnam.vn/upload/files/papotonijasop.pdfIn PDF document text
- http://profstil.az/userfiles/file/52877746189.pdfIn PDF document text
- http://web5gstore.com/Files/files/7779407634.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/3bd9rfj8nmm7n6ne80d9929nlu/mazozo.pdfIn PDF document text
- https://oteaexpert.fr/cite_imgs/file/9183577517.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/871f4f5829dfb3e9ed4437ce91d8f4be/kopoteg.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0f0d37334---xefisa.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/8d466f6ddc7e7c563fdb9ca0b02f800e/jovojoloboto.pdfIn PDF document text
- https://abzesolar.com/uploads/files/dapunaxelam.pdfIn PDF document text
- http://bidadapatidar.com/userfiles/file/86027424764.pdfIn PDF document text
- https://motelandratecuci.ro/userfiles/file/lopizomo.pdfIn PDF document text
- http://hglobaltour.com/FileData/ckfinder/files/20210803_9DC06F0F161C58E0.pdfIn PDF document text
- http://mobydick-band.de/fckdata/file/44878301404.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1611e43b822b8e---53533642889.pdfIn PDF document text
- http://ieeepes-thailand.org/app/webroot/files/files/lajuda.pdfIn PDF document text
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/bufolopajuzitesalevof.pdfIn PDF document text
- http://dh-cell.com/ckfinder/userfiles/files/siwowosagopitumorowifuvox.pdfIn PDF document text
- http://jpcadonate.com/clients/4/48/4863a0bac697dd4b44f4a1b1fb44835f/File/tolofotebirazegugifidid.pdfIn PDF document text
- https://renetravel.ro/images/files/30837237919.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16080beee6dce7---kuvurakulegiporulixevu.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1f8279bf4---69394802612.pdfIn PDF document text
- https://wfca-czech.cz/temp/userfiles/files/fotuvifinexipopen.pdfIn PDF document text
- http://fotosvatba.net/userfiles/file/dixefusebumuxukopusu.pdfIn PDF document text
- http://airsoft1.ro/files/file/44188073906.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=profit+and+loss+questions+pdf+for+sbi+clerkPDF 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_off0000e6bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6BB | 11092 bytes |
SHA-256: 520623c9bb9d5ec8b7e2df5194e7773fef896f1137d812b69c6f2864ca5367e9 |
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font_01_sfnt_off00010047.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10047 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011859.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11859 | 19460 bytes |
SHA-256: f9b54f78ce2d544c0f57d8ff45a9439dc130793bb215c81e91bb2a81cd1c0bd6 |
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