MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous 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 0.9991
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://ontis.sk/editor_uploads/system/files/fabiwopadozop.pdf In PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142b2ae2a315---3344884256.pdfIn PDF document text
- https://foodphotoshop.com/userfiles/files/3934025502.pdfIn PDF document text
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/mifede.pdfIn PDF document text
- http://biomax.shop/filespath/files/20210903100306.pdfIn PDF document text
- https://repare-ton-smartphone.com/userfiles/file/rebaj.pdfIn PDF document text
- http://d-innovation.com/upload/files/75689666934.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/lg5k022490j9q7u5i2pcvfir11/godeferimusefojijusuf.pdfIn PDF document text
- http://shopgraeagle.com/ckeditor/uploads/files/93439296962.pdfIn PDF document text
- https://partnyor.az/userfiles/file/xubajakijesigetuni.pdfIn PDF document text
- https://em.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/50068685893.pdfIn PDF document text
- http://michalpavlicek.com/uploaded/file/kakupufefa.pdfIn PDF document text
- http://kaizousha.com/js/upload/files/76538450195.pdfIn PDF document text
- http://kondicionery-vidnoe.ru/upload_picture/file/wagowevuwobesusulu.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/052ed87494c8cb6e365e7bd2250b2259/70252961259.pdfIn PDF document text
- https://cuichi177.com/uploads/files/202109150322107679.pdfIn PDF document text
- https://manage3.realtourvision.com/rtv/ckfinder/userfiles/images/files/77247118168.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/161436cb41ced8---roboras.pdfIn PDF document text
- http://studiotipaldo.com/userfiles/files/sunokobedologiruvimul.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16146ab3ec5038---61143540642.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=can+you+bluetooth+pictures+from+iphone+to+androidPDF 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_off0000d5ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5EE | 17608 bytes |
SHA-256: 29f3991eb5314d61813b634d2337cd468546284e25024e64ddafdc906fa32ade |
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font_01_sfnt_off000102e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102E7 | 11268 bytes |
SHA-256: 3f8c905a076c1c92ebc6a74bec62b83edae75fd8eb1d775f50e63a533f3d8862 |
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font_02_sfnt_off00011cfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CFD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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