MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to disposable hosting and compromised CMS upload directories, indicating a link farm designed to redirect users to malicious sites. The presence of external URIs and link farms strongly suggests an attempt to deliver a secondary payload or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://flexa.cz/docs/file/68254330813.pdf In PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16096aaac11a9f---23339216540.pdfIn PDF document text
- http://rilta.net/userfiles/files/lopevaxowivulejol.pdfIn PDF document text
- http://weorderfood.com/uploads/files/pevitowepegulox.pdfIn PDF document text
- https://viticoltura-enologia.com/file/nenolikukola.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c937b9dbd56---54911566941.pdfIn PDF document text
- http://proxkimya.com/resimler/files/24965749998.pdfIn PDF document text
- http://ttworld.hu/uploads/content_files/files/jumaribaruvavezorunerud.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/160943e533c399---repasebapelob.pdfIn PDF document text
- https://dolmalatrek.com/userfiles/file/71422687608.pdfIn PDF document text
- http://ptichile.cl/userfiles/file/nesapazoganenagaxesevo.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/59af92507f2a3b0819dfcf63bfc442fe/57578786415.pdfIn PDF document text
- http://stellar.ru/ckfinder/userfiles/files/zalasi.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/bpd25ufa6efpam67461lpov4l9/radetaz.pdfIn PDF document text
- http://hanasushipickup.com/uploads/files/51981145302.pdfIn PDF document text
- https://taichielite.com/louis/taichi/ckfinder/userfiles/files/75204109247.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ad857dca138---jusosobesamepeb.pdfIn PDF document text
- http://thueotodn.com/uploads/image/files/lagufide.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/a4eda25364034affd5ad0cdfa083c825/nanolaludi.pdfIn PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/33ac2412003c7bb70023053f9d1f44a9/717281007.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074d2287f82f---befanimavizafos.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f5ab52cba5a---wiromilazexavimomapigus.pdfIn PDF document text
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/n85v130vfabop8d7qa3sd6hrm0/41948987978.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+do+i+reset+my+kenmore+elite+microwavePDF 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_off00010043.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10043 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001185a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1185A | 10880 bytes |
SHA-256: a38cea17c80cc509ffc987b9b0d24c0cd239f8aa57309eaf26628f10f6bc778e |
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font_02_sfnt_off00013189.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13189 | 17020 bytes |
SHA-256: 07573b8c9fa5bdd75076b458912db7748e233575f5d3465c20f9510bda926b36 |
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