MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF containing embedded JavaScript, which is a common technique for delivering malicious content. It also contains numerous external URIs, many of which point to compromised WordPress sites, suggesting a link farm or distribution network. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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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://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160895a8744020---22546344986.pdf In PDF document text
- http://luxcottage.ru/stroykamen/userfiles/file/depebogojanedufijiteniw.pdfIn PDF document text
- https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/hb7ftkt3g5ga3clts6tu94r9qg/tibetiz.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2a5bc106c.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/027ta3c12m26s0lqa1dli7fvv3/garujajabibizis.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/66106c790757e9334cdd2bc00c26e3b0/10437963333.pdfIn PDF document text
- https://majorsagilekvaros.hu/uploads/file/30345081168.pdfIn PDF document text
- https://creteservices.com/FCKeditor/userimages/file/logaremukitigoxafizawef.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a13a8975a26---8264414557.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16079eedd3a968---99089276739.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/6aec8d5cfd4b2361063b92747b0b6fdb/tizozaf.pdfIn PDF document text
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/281tn8f1sffusarfrbvd8hcvoe/boginak.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/je9tmarfveed45brd6io8o1arr/supifejinejurosero.pdfIn PDF document text
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16081c628a1ff3---pinomopozuwejaxo.pdfIn PDF document text
- http://chanakyaaerospacedefence.com/userfiles/file/63885660242.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/700d815df7c9927f1a5ee0116370b974/levuvazobes.pdfIn PDF document text
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/180ad25df1dc8ba34aa3f4d70044b107/bivubifukamugapa.pdfIn PDF document text
- http://lnaixi.com/userfiles/file/20210620092414_779528679.pdfIn PDF document text
- http://aliotoconsulting.com/clients/862286/File/zozogidofivuv.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e4805c14e8---jixitemixoxivenijugum.pdfIn PDF document text
- http://skomi.ru/img/files/file/96572830919.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/d59a21f181e5137e3e2f444457dc6cea/68347100054.pdfIn PDF document text
- http://all-vehicle.net/js/upload/files/bisekizosorexovugiteso.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+add+subtract+multiply+and+divide+scientific+notationPDF 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_off0000bc92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC92 | 11280 bytes |
SHA-256: 922a010ddde953d0b89db8b0e978d8baa0842c83580223d1a47d611e20855300 |
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font_01_sfnt_off0000d6e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eef6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF6 | 16372 bytes |
SHA-256: 651fd806713b431ba854e5d89376bbc272733f97c02b8d6abb9f98224dd30a72 |
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