MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to other PDFs hosted on compromised websites, suggesting a phishing or malware distribution scheme. The presence of multiple links to compromised CMS upload storage reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9889
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://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fffc97ea570---gaxuduzaxomifanen.pdf In PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160beac368bd5f---79568632841.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/c1qeh6no15v8u3pjv6kmpv4hv5/51422212685.pdfIn PDF document text
- http://slmj8.com/data/userfiles/files/58123038045.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/epbq655a4rvsamo00sa1mtjr2p/zeruzajawizewefimizebami.pdfIn PDF document text
- https://foodvellythailand.com/upload/files/15932277689.pdfIn PDF document text
- http://thaisomboonautopart.com/userfiles/files/12175602951.pdfIn PDF document text
- https://ahha.az/userfiles/file/14680379979.pdfIn PDF document text
- https://manualismedicina.hu/fileok/file/duxidibigevodaxomatenum.pdfIn PDF document text
- http://sheeld.org/clients/d/d0/d021426cee8527c21a172be12ef3d645/File/zazubiluzulabekiwexe.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/v0nfhr44aqtu01i4j1anlmbmeo/67131020239.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/7gj7gn3u8c9gp9s13b1sghb8u3/manezigum.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d03d33a64---82775330113.pdfIn PDF document text
- http://mitsubishilongbien.vn/images/ckeditor/files/8291523269.pdfIn PDF document text
- http://gialtour.it/themes/userfiles//files/31606241496.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/q1rifsmm4ccbc7o7bkff5kg5b0/82316193244.pdfIn PDF document text
- http://cp-1.ru/userfiles/files/45072414008.pdfIn PDF document text
- http://gesundezellen.de/neu/userfiles/file/58670612048.pdfIn PDF document text
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/62b4b97fa3d8ef39baeb43322a97711d/gaserozeti.pdfIn PDF document text
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3cea98c8f9---20002307081.pdfIn PDF document text
- https://baohohoanglong.com/userfiles/file/rukifafasizefowijosazi.pdfIn PDF document text
- http://travelci.ru/ckfinder/userfiles/files/xujonaxenenavod.pdfIn PDF document text
- http://drairtools.com/ckfinder/userfiles/files/xujazamosa.pdfIn PDF document text
- http://appartenvue.net/appart/upload/images/vedaxivajesanuluboxano.pdfIn PDF document text
- http://castanienfamily.com/clients/74558/File/fimekuwozobolobuj.pdfIn PDF document text
- https://laserbeautymachine.net/d/files/jilelajojomiven.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608983bcec184---81744297356.pdfIn PDF document text
- https://rsun.pro/admin/ckfinder/userfiles/files/15477272928.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=chronological+bible+reading+plan+2021+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_off000114ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012cfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CFC | 16936 bytes |
SHA-256: d93def52c21a7413f6785b5961ddd79c81697436b897db39d9de09899e0dd21f |
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font_02_sfnt_off00015929.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15929 | 11100 bytes |
SHA-256: 89b951beb461e0ed318edbfe327cfcf60a5c2f2f333756f5cedcfb027bfb0ead |
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