MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. The primary purpose appears to be redirecting users through a chain of compromised hosts, likely to deliver a phishing page or a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/60cf0d5be2103c407f2fd0bae19f2e34/sapevad.pdf In PDF document text
- https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/160877bad91cb7---tunaripiranuxi.pdfIn PDF document text
- https://securityguardsupply.com/php/uploads/file/65170939532.pdfIn PDF document text
- https://mariellatriolo.it/public/file/nazulorunisidoxekuliririf.pdfIn PDF document text
- https://thietbivesinhanhhuy.com/asset/files/51521201783.pdfIn PDF document text
- https://jahanchart.ir/data/files/file/91308495712.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/1608584ef2ef85---95982512148.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/jovuximanosiz.pdfIn PDF document text
- http://doks-films.com/pcms/content/file/kasarivigudajawojem.pdfIn PDF document text
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/9a07f28cef34d66ad13d72c368048198/32332651486.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/32qjs09btlb9c3uk5csbfg9m85/pakimojenek.pdfIn PDF document text
- https://manualismedicina.hu/fileok/file/lojilisoravex.pdfIn PDF document text
- http://chistogood.ru/admin/ckfinder/userfiles/files/18470607698.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/d5a8d3def627231fdd2ea89e21a70894/90404786021.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/9b79d0964598537860d47d803cff2f29/97608352242.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082214296b6d---ralapovowuxuw.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/c93e9a9fdfaf3ad5deb6a417bfa34409/74624837125.pdfIn PDF document text
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/ac3a3e30f4c6d25bd0a94b48076f613f/32290647841.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a47675be1---japoletedixelod.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/d11f4b589f34f62d66d8736e70168841/nurobodoxutep.pdfIn PDF document text
- https://aronabritcan.com/userfiles/file/lemepobukukisigop.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5d95990316---gapoginupinip.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/51r20pigvbcsg7slmpbqc90pts/14964607745.pdfIn PDF document text
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/3k192q9cn09oq7m6e87ssagavp/jubatawogutefa.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/f8caa7fdd02045e6d36d984c4e7e978b/mixaxat.pdfIn PDF document text
- http://cke.hk/userfiles/nojajijuzawamiti.pdfIn PDF document text
- http://togetherwewalkny.org/clients/2/24/2411cc079aa0f0d7fd57f81c6163ecfd/File/63975893578.pdfIn PDF document text
- https://shopinhome.com/ci/userfiles/files/kibosajori.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=ruby+willow+cosgrovePDF 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_off0000f0c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0C3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000108da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108DA | 10592 bytes |
SHA-256: 4acbd84ca96898d39e227a0bad999041143943f00db9b731d74b9c52c1c6bc18 |
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font_02_sfnt_off00012133.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12133 | 18472 bytes |
SHA-256: 0f80d94fdc163b1e6b9620ff2888fab3b44a610dd91e74fa5f50049a223efe82 |
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