MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and a machine learning classifier. Heuristics indicate the use of a compromised CMS upload link farm and an SEO redirector, suggesting a phishing lure. The document body is heavily obfuscated, preventing a clear understanding of its specific content, but the overall pattern points to a phishing attempt or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9774
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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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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://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d72f86326a---2249338318.pdf In PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/413vqs6313o940ojjhgrejdva3/xelipofefem.pdfIn PDF document text
- http://archerelectricsupply.com/userfiles/file/ruvonuzefefetu.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/cd4568e4e66276634ae8cd2017af1ebc/35606417278.pdfIn PDF document text
- https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/94713989163.pdfIn PDF document text
- http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/07c2a027f5cad6dfd5312eb8321be8a5/devosumigiva.pdfIn PDF document text
- http://geostudio.eu/userfiles/files/wegaxavitejar.pdfIn PDF document text
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bef5c54b9da---40248968654.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/c5m5u29csirt66jtlo9pdkq9go/20842419730.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160946951587d6---90540413480.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/vkkecfa1tlahu4dvf0vi1a16n0/gelibuvivapepawesamaluri.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b2577ce7ecc---2493774410.pdfIn PDF document text
- http://se-ty.ru/uploads/userfiles/file/pizuw.pdfIn PDF document text
- http://casier-a-bouteilles.fr/file/23824042565.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160dbe0d4af192---vamomujebezamesulize.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/16080d89c3a39a---24890918053.pdfIn PDF document text
- http://braciszewska-klimek.pl/fck_files/file/28243510687.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16071d643d8dd6---sezew.pdfIn PDF document text
- http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/nutomugevazowipiz.pdfIn PDF document text
- http://narcisse.sk/editor_uploads/files/zigatevesolitorubag.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082eb0b21c72---34275972129.pdfIn PDF document text
- http://agendatourvietnam.com/hinhanh/file/18917185807.pdfIn PDF document text
- https://livredart.com/ckfinder/userfiles/files/tonajokagugitapomolit.pdfIn PDF document text
- https://lienlacanien.com/img_pages/file/97551437504.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e145a5124c---vezeworasirotulexi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=ciaphas+cain+the+greater+good+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_off00044d3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x44D3A | 10884 bytes |
SHA-256: 38df01a0b39538c6d0022772a0511f232badc560f84c966fd29792f10d9879e1 |
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font_01_sfnt_off00046630.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46630 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00047e42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x47E42 | 18352 bytes |
SHA-256: 300cfecb225367f47976ccfae83ce60dcb71cefd824ff354c9412dc722b3963f |
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