MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV. It functions as a link farm, containing numerous embedded URLs that point to compromised WordPress upload directories and other potentially malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for these links, suggesting an attempt to obscure the true destination or evade detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://broadmoor79.com/clients/864886/File/86604431615.pdf In PDF document text
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/7a98778e8209dee7354dd93fa0063156/1860874152.pdfIn PDF document text
- https://taiwancy.com/app/webroot/userfiles/files/lewuseduwul.pdfIn PDF document text
- https://marcuspietrek.de/MARCUS/files/file/sowelokutigetiwudumajaned.pdfIn PDF document text
- http://cnex.cc/images/blog//file/tudolekusenudavufedaju.pdfIn PDF document text
- http://poltinik.ru/userfiles/file/70278049556.pdfIn PDF document text
- http://praconsulgroup.ru/pict/file/difixawafojetonalurejex.pdfIn PDF document text
- http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/981290f99b706e6cb5aebb99de3586aa/97298104640.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/7b6b920e1a36efc614859c7b07b80b00/77055498566.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16083c986526c8---denunigu.pdfIn PDF document text
- https://vannordenvastgoed.nl/userfiles/file/mufajijobaxememajifewi.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/nawapef.pdfIn PDF document text
- https://consultingexpert.eu/fckeditor/userfiles/file/banobukabekewekavujupe.pdfIn PDF document text
- http://maility.pl_adresuserfiles/file/wolozoravesuxaz.pdfIn PDF document text
- https://honda-otolongan.com/upload/files/sujozigijuwogafizune.pdfIn PDF document text
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b0c3e0abba2---8993745430.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608e91af2496e---kogitomedumawigudivegav.pdfIn PDF document text
- http://auksozvynas.lt/userfiles/file/xufizatamefovopuxitutaxi.pdfIn PDF document text
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/8ef8b33a6884d9b3891b8b53a94a102c/61905336350.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160780360d4393---67222470739.pdfIn PDF document text
- http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xemajujokidetup.pdfIn PDF document text
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160729dca97f29---4676504027.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b2148d05a40---zamavoxejuwutup.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=you+in+french+crossword+cluePDF 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_off0000d265.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD265 | 16960 bytes |
SHA-256: 8fcd636b59ea763c69aa1216587cfae1677240870b45a0ccf2a420a81ed566fc |
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font_01_sfnt_off0000fe56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE56 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001166d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1166D | 10484 bytes |
SHA-256: 5b696d06e11af4a1731bc8bd09f017190765beb8dc0a829bd83b3b5f2b179fc4 |
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