MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, specifically within the 'formcraft' plugin's file upload directory. This structure is indicative of a link farm designed to obscure the ultimate destination, likely a phishing or malware distribution site. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.8728
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://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/16085a6bedf840---jamalisifunuzodu.pdf In PDF document text
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092b2c4ede10---1351966947.pdfIn PDF document text
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/a4886e8c41262ef59a3d051d3fb561e2/neduxugekevusitega.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/2vt6mcggij4hetj7l8bl83ficv/zuruzobegefeg.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-4/20210504183534173097.pdfIn PDF document text
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085b4f3d12b0---fitototu.pdfIn PDF document text
- http://anma.pl/anma_edytor/file/jumalugap.pdfIn PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/34a665eadb3939cb84e6098ff1136937/worazoba.pdfIn PDF document text
- https://profipreklady.cz/www/ckfinder/userfiles/files/pagoxapesemobugak.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a42aec67122---modujununosudukux.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160cac0fd900d5---36009484022.pdfIn PDF document text
- http://iphysiology.ru/upload/86371447237.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/papoda.pdfIn PDF document text
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/7gd90a5031oro7fftjsgrunvp1/28674872143.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f53aa9254---budurigevaza.pdfIn PDF document text
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/d5373ec5d1ea3517e082c9994686fa66/73534736369.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/4f30e0aa520195f7fe353bf496bc87f0/tisodurowuwebedabexadelef.pdfIn PDF document text
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/d2775bae1d5a300a26c6f8bef3b01b8b/3647795961.pdfIn PDF document text
- http://chanakol.com/ckfinder/userfiles/files/zebuwogidimop.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/m0gen8f6c0g55r3sreccp2dk9p/98777025084.pdfIn PDF document text
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/f1baacd20c729564e3711fd59e6ecb09/89325509753.pdfIn PDF document text
- http://emotionpicturesfestival.gr/userfiles/file/8460558204.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1606d07249caea---bowagogewedizifapasedim.pdfIn PDF document text
- http://bigpictureresources.com/userfilesbigpicture/file/zakakenomaxoxiwumubojax.pdfIn PDF document text
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160860222a9cce---fagusizarikib.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9ec6e85ef---68912220186.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=best+motto+for+pageant+tagalogPDF 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00018c78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18C78 | 20988 bytes |
SHA-256: c72ed1d820a2ae48233f847f5e5341e3cac776c466ed553e8078a1312c63c69d |
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font_01_sfnt_off0001c0dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C0DD | 2488 bytes |
SHA-256: c2f6cdd568ac1261029dd8bf46c87a2a9d3e5627375a321de558088534e2e2c3 |
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font_02_sfnt_off0001cb6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CB6D | 16752 bytes |
SHA-256: 669b2c14b94cb1a75265fb07a865bde754adf421961174f95ccfe3b46ebe3bfe |
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font_03_sfnt_off0001e35c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E35C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_04_sfnt_off0001fb73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1FB73 | 10660 bytes |
SHA-256: e2b0654d029795e69ae23378fb6283b7668ca0ac223f4387fba2da55b1d7fd2f |
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