MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The presence of numerous links pointing to disposable hosting and compromised WordPress upload directories suggests a link farm designed to redirect users to malicious sites. ClamAV and ML classifiers confirm the malicious nature of the file, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://dissanna.com/temp/fckeditor/file/21940337200.pdf In PDF document text
- http://rosesrealtyhomes.com/userfiles/files/12895835453.pdfIn PDF document text
- http://banhangcongnghe.com/upload/FCK/file/viwoxikezisazisiluvawiw.pdfIn PDF document text
- http://cdseoulps.com/uploadfile/fckeditor/file/50602628291.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/mt2g3etv2ogvike8pvrtgn5105/puwelivafibuzuvifitinogoz.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/161303d240ae16---xukemuxugalepasezofo.pdfIn PDF document text
- https://steklo-shik.ru/userfiles/file/guzuvivuniwenapebari.pdfIn PDF document text
- http://akvatoria.by/UserFiles/files/duwiligebuzomabotu.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143552519e1c---zulakoratig.pdfIn PDF document text
- https://la-klamm.org/userfiles/file/86562192960.pdfIn PDF document text
- https://univerosg.com/ckfinder/userfiles/files/6532542412.pdfIn PDF document text
- http://vimar.ua/userfiles/files/75073464884.pdfIn PDF document text
- http://exmar.it/foto_fck/file/dasojujope.pdfIn PDF document text
- http://tycoonmedical.com/userfiles/file/89314650420.pdfIn PDF document text
- http://quimis.org/js/ckfinder/userfiles/files/tozinazupok.pdfIn PDF document text
- http://clingac.com/d/files/88340987077.pdfIn PDF document text
- http://bluebirdcanada.com/FileData/ckfinder/files/20210908_25AE0FC0C9B4D5E1.pdfIn PDF document text
- http://thegioioto.store/upload/files/18501299439.pdfIn PDF document text
- http://nigerseedindia.com/uploads/buvabaxus.pdfIn PDF document text
- http://german-ex.com/images/blog/file/75097178234.pdfIn PDF document text
- http://hanifeugur.com/image/files/34914042343.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=modelo+relacional+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_off0000ae40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE40 | 15052 bytes |
SHA-256: 2ef196920536999cded2aba8afcf61e7bca58b8bf7a17f20bb690900b5103c5b |
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font_01_sfnt_off0000d3f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ec10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC10 | 10340 bytes |
SHA-256: cfd436c8b63537222740d9cd917a8a351650ba5ce2a495fa6d556826fada0d0e |
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