MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to PDFs hosted on compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of multiple external URI heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/279f64c4bab414bc1735b2081c43b5a9/fajadekifepoxi.pdf In PDF document text
- https://clumba-indoor.ru/files/files/bosarufinem.pdfIn PDF document text
- https://getadoc.in/ckfinder/userfiles/files/purusavasajololemi.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160a7861d9718b---30115763027.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/feje0eot47hh19er2eu493qvem/81691362155.pdfIn PDF document text
- http://erfaspot.com/resimler/files/44902793216.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/3b7036ab8dae34bac51981634f4c0e62/ruxok.pdfIn PDF document text
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/aab27ac229ccc897f951926fb9d05411/widir.pdfIn PDF document text
- https://somogyplusz.hu/files/76655579249.pdfIn PDF document text
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/2926608ceac7edc0d7318b5d07a7d621/zitujofirofisorakil.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/0b68f7463576871ddaa316e5e6b1f279/70519280005.pdfIn PDF document text
- http://irina-beha.com/ckfinder/userfiles/files/10189000032.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/2l1erhb8adt44m3m53sb762kc3/89736351755.pdfIn PDF document text
- https://taichielite.com/louis/taichi/ckfinder/userfiles/files/2688434857.pdfIn PDF document text
- http://balone.net/_upload/file///wegopowogajokenebuvari.pdfIn PDF document text
- https://hssanesteban.cl/files/83971231889.pdfIn PDF document text
- https://bandotrading.com/uploads/file/mopomomixekurininagipunos.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/poqkqnnq0au4povmmjsf8mpif0/limokegozobasoba.pdfIn PDF document text
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/bbjarvd18h4rsbojc9eeu4jpes/rizijezep.pdfIn PDF document text
- http://notarbrazda.cz/userfiles/file/41853288837.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608f518b8cd28---rotipuduvidapatuwufi.pdfIn PDF document text
- http://abwcrainhwy.com/uploads/files/bezomula.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16099b4264c4f1---46072996969.pdfIn PDF document text
- http://ilovegabal.net/fckeditor/_upload/file/wororob.pdfIn PDF document text
- https://paron-rebondir.com/uploads/files/15832618241.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=ejercicios+categorias+gramaticales+6o+primaria+pdfPDF 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_off000111a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111A9 | 11140 bytes |
SHA-256: f1578d2f2282abc283e3ad715ff32172582ff1b816d66b600cdd240fe322c262 |
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font_01_sfnt_off00012b7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B7D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001438f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1438F | 19016 bytes |
SHA-256: 94d3ab3e4c178bb722792be4b1bbb42222f4bbfc991e83571095aea68bf8d7a7 |
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