MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://showdoimovel.com/files/files/pilovolo.pdf In PDF document text
- https://machnik.net/ckfinder/userfiles/files/fupizomesufifef.pdfIn PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/shpearndf73cr2htn4v8mv19n8/962894393.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f977d84e6a---54329910333.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161328aa89abce---86680331615.pdfIn PDF document text
- http://xn--80aer5aza.xn--c1acndkmcarx.xn--p1ai/ckfinder/userfiles/files/werup.pdfIn PDF document text
- http://cesishotel.lv/res/wysiwyg/file/zamejigikixubam.pdfIn PDF document text
- http://dostavkaturov.ru/files/file/dozujasubakene.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/nexiwijidurunoxodiwowe.pdfIn PDF document text
- https://stdtekstil.com/upload/ckfinder/files/55511347860.pdfIn PDF document text
- http://traslochimontalto.it/userfiles/files/lutepokepufi.pdfIn PDF document text
- http://ch-yang.com/upload/files/28799336425.pdfIn PDF document text
- http://feuerwehrobrigheim.de/upload/files/2338611628.pdfIn PDF document text
- https://implantsdentairesdesmoulins.com/upload/editor/file/76791195453.pdfIn PDF document text
- http://cn-junsheng.com/upload/file///202194203515662.pdfIn PDF document text
- http://ysenb.kr/board/file/editor/file/visesowozetovilanonefubo.pdfIn PDF document text
- http://aodaiminhhanh.com/app/webroot/uploads/files/42599020786.pdfIn PDF document text
- http://yuanhebiotech.com/upload/files/11900220859.pdfIn PDF document text
- http://prinsart.ro/uploads/files/7848124981.pdfIn PDF document text
- https://chorland-dining.com/webroot/editor-uploads/files/26816529530.pdfIn PDF document text
- http://nifaelectronics.com/userfiles/file/92042017772.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=justice+league+snyder+cut+watch+online+free+123moviesPDF link annotation
- https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/winimowomo.pdfIn PDF document text
- 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_off0000ecef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECEF | 19680 bytes |
SHA-256: 604aad1224623bf5892751ef348b06cb20ff1c7e8372c9b31d612d0d0f487eae |
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font_01_sfnt_off0001205b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1205B | 11624 bytes |
SHA-256: 0b84036b700875e13645cbd9200dd5e498d1d3d5176e626d49964103a57fc8cc |
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font_02_sfnt_off00013bda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BDA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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