MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains a link farm with numerous URLs pointing to PDF files hosted on compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of these links indicates an attempt to direct users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://empylean.com/wp-content/plugins/super-forms/uploads/php/files/r5l8a60m30hb682e5lsbmvupur/93614227869.pdf In PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/db7309bf249d174f1c7100d2ef54ce8e/xapoxusadewukepesa.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/q860ogvi622b31g47v78fc0kg5/gikababobifov.pdfIn PDF document text
- https://sharjahcements.com/images/bulk_images/files/sisola.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/djib3bv15s7haij546kmclr42i/31521927113.pdfIn PDF document text
- http://adamshs-pdx.com/clients/d/d3/d3c120c733f7363e2cdaef2cff5f3687/File/71622769476.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/7c8d19aa9c228dbbc0f3da51b54cfa27/43106743623.pdfIn PDF document text
- http://reclameindex.nl/images/uploads/33329435884.pdfIn PDF document text
- http://bbpcosmetics.com/admin/upFiles/2021-5/file/18438434209.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/v2va6aatd2dtnni4r315a1eu75/60981713111.pdfIn PDF document text
- http://mcutech.net/upload/2021/06/file/16240903981691015262.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/d07d7cf0758e3a1c5628325254b480d2/64976497792.pdfIn PDF document text
- http://writtenmail.com/upload_images/file/zukodemevuwanaragez.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607513262a0e9---47275378691.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a01695498e2---vutaxe.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec42c159e4---56329580712.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082c7b1566e0---wuxalipuvoveruba.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160911a2860583---dekuronivirumuf.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160772f65b726b---lidobaripigurajakasevol.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/1e7oh40dipd6i1mmg429hp9nq3/69711003055.pdfIn PDF document text
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abfa74c7c8e---33948370450.pdfIn PDF document text
- http://esipro.fr/userfiles/file/60853546747.pdfIn PDF document text
- https://festival.bg/fckeditorfiles/file/17617298906.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=cub+cadet+ltx+1040+starter+solenoid+wiring+diagramPDF 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_off0000d4ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4EA | 16424 bytes |
SHA-256: 64ec7ea3311644e6d28f984eee3a3c130b70b7aab24f1725fb14c2a8035ff551 |
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font_01_sfnt_off0000ff50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF50 | 11424 bytes |
SHA-256: 9ab6a69dd1b7b56f49d6b20984636f9f5aa3c1b13b2d55e9146ab9f3189e1db5 |
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font_02_sfnt_off00011a3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A3B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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