MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as a malicious PDF by multiple heuristics and a machine learning classifier. It contains numerous links pointing to compromised websites, suggesting a phishing or malware distribution campaign. The presence of PDF link farm heuristics indicates an attempt to obscure the true destination or spread malicious links across multiple compromised hosts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7c31925c12---11925547747.pdf In PDF document text
- https://tabularasa.lv/sites/tabularasa/uploads/documents/files/zotamopakavelaroditidibiw.pdfIn PDF document text
- https://nestsearch.in/admin/uploads/file/29465762062.pdfIn PDF document text
- http://111-orte.de/testarea/cwsCMSlight/media/files/6646351331.pdfIn PDF document text
- http://veitali.com/upload/files/5734816004.pdfIn PDF document text
- http://prosquash.by/data/15958306885.pdfIn PDF document text
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160749305563e9---94889539162.pdfIn PDF document text
- https://puppometalli.eu/file/xapowusogukuludezozo.pdfIn PDF document text
- http://rolmech-strzelno.pl/Upload/file/32953367510.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa082994f8---kererobokilemepobebegiva.pdfIn PDF document text
- http://yossy.biz/userfiles/file/37604675810.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608af47f81bbb---79800657991.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c5c729c51---tobiwenotamebukavokoludan.pdfIn PDF document text
- https://dildendilecevirievi.com/upload/ckfinder/files/tojokoxakipipazesixere.pdfIn PDF document text
- https://thedestinbeachhouses.com/wp-content/plugins/super-forms/uploads/php/files/dba4c6dcc379389a845c463d1b9623f5/wisilizol.pdfIn PDF document text
- http://cmi.nfe.go.th/ckfinder/userfiles/files/1941255560.pdfIn PDF document text
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/5093e722c5cde6c5d36a6abeff578aa0/sipuwajodupa.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078af8b08098---sesojelalesuli.pdfIn PDF document text
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/57634920199e8ce81506f097e3085d5a/xovov.pdfIn PDF document text
- http://autofulltravel.com/userfiles/files/sekagen.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16074ca722cfca---jivoresinaleguzolujevi.pdfIn PDF document text
- http://studiomuraca.eu/userfiles/files/zozobezurir.pdfIn PDF document text
- http://brainbond.ro/userfiles/file/wotulif.pdfIn PDF document text
- http://frankslawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vuzutaxawij.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=every+other+day+diet+planPDF 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_off000109c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C9 | 17048 bytes |
SHA-256: 3d522c94c169497703b4ba5c5ee07b33aaec6737b7e1ff277704b9c39a9c1bdd |
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font_01_sfnt_off0001360e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1360E | 10484 bytes |
SHA-256: 1116fe0d64233aa3ffe7cc166688aa0660c3f1ade59fc1ecdfbfb200c8c6158b |
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font_02_sfnt_off00014dc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DC7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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