MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains a link farm with numerous URLs, many hosted on compromised CMS platforms or disposable domains, indicating an attempt to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. The document body is heavily obfuscated and unreadable, providing no direct clues to its purpose beyond the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://studiospazioambiente.it/userfiles/files/panavikuposodufore.pdf In PDF document text
- https://hinaweb.com/upload/file/sobobovajuloxer.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/a3f8741ad376abcec25d048823faac07/91110094165.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b69c0bee37---nemetulonumafe.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1611feba334c88---23305341267.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/1cup8vrgh30jdham62hopeet77/mamedonirojibivunuj.pdfIn PDF document text
- https://ka-base.no/images_content/file/gorutizixufivekuze.pdfIn PDF document text
- https://himarco.ir/basefile/himarcoir/files/nafaj.pdfIn PDF document text
- https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/4cf77aa3783f0c14e2bcf3bc926e47fc/suporuvububewuliwiwe.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/5um4jr44uelbt1mei12p5glivl/28163373416.pdfIn PDF document text
- http://xz-brand.com/ckfinder/userfiles/files/95427706124.pdfIn PDF document text
- http://dsm-trhs68.com/clients/8/81/818e764d3414495a915a5f66638dc9bf/File/24790767263.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096a77ede129---91284064762.pdfIn PDF document text
- https://xn--80aanugxqi.xn--p1ai/admin/ckfinder/userfiles/files/58652358023.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/adeu98pkiu6ligrronq20tfua3/ludup.pdfIn PDF document text
- http://vekosgroup.ru/userfiles/file/34605455133.pdfIn PDF document text
- https://transit-connection.com/userfiles/files/95047963633.pdfIn PDF document text
- http://yogathoitrang.com/quangbasanpham/app/webroot/upload/image/files/39850587261.pdfIn PDF document text
- http://goldmustang.ru/files/files/lexenidegorepuwewet.pdfIn PDF document text
- http://jarosi.hu/files/file/14153631979.pdfIn PDF document text
- https://gujaratisamajparis.org/upload/files/86495061834.pdfIn PDF document text
- https://behagi.eus/files/galeria/files/xifevezod.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=tahajjud+niskaram+dua+malayalam+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_off0000c745.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC745 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000df5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF5C | 10812 bytes |
SHA-256: 6dbfffc81aa119902bf357add8ad3dd0e4f0ab3121a6fc6e3da0281bd4c85117 |
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font_02_sfnt_off0000f7f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7F7 | 17456 bytes |
SHA-256: fb5171b732d6f4d76df5503bc8474c3af179d15b3995fc5ec2a721a9aa8274bf |
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