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 document also features a large number of external URIs, many of which point to compromised WordPress upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious or phishing content. The ClamAV detection and ML classifier further support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 https://pistant.ru/uplcv?utm_term=streaming+jumanji+1 PDF link annotation
- https://cs168.tw/upfiles/editor/files/jujogomanusuwiwik.pdfIn PDF document text
- http://lexus-custom.com/js/upload/files/76312686127.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615027f3db3b2---fuwemawiwixono.pdfIn PDF document text
- http://fotocaroli.it/userfiles/files/zapugagazutesixobozaj.pdfIn PDF document text
- http://amblesidewindermere.ca/fckuploads/images/file/50735120192.pdfIn PDF document text
- http://studiophotosfashion.it/userfiles/files/98376636247.pdfIn PDF document text
- http://chithanhplastics.com/uploads/userfiles/file/jedemevonawumasudelu.pdfIn PDF document text
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/58243896946.pdfIn PDF document text
- https://onecre.com/images/content/files/70951729000.pdfIn PDF document text
- https://archielectronics.com/userfiles/files/70283840255.pdfIn PDF document text
- https://exclusivelimoservice.com/ckfinder/userfiles/files/zitunedu.pdfIn PDF document text
- https://duhocblueocean.vn/ckfinder/userfiles/files/59711746641.pdfIn PDF document text
- http://knauto.com/upload/file///tanidekolarogadaginawa.pdfIn PDF document text
- http://www.ezmoving.com/file/49347286580.pdfIn PDF document text
- http://rlmlaw.com/images/edit_images/file/89155781414.pdfIn PDF document text
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f4d1e88442---77321320328.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614692e0f12cf---32010994078.pdfIn PDF document text
- https://dom4m.de/userfiles/files/9372978087.pdfIn PDF document text
- https://aymsoft.us/aym_image/files/jobejasujipezujuvofadibom.pdfIn PDF document text
- http://gartenbaukoeln.de/uploads/files/13222326326.pdfIn PDF document text
- http://www.malagatour.es/ckfinder/userfiles/files/35789171615.pdfIn PDF document text
- https://cobaltinc.org/userfiles/file/favobumejujupavaxig.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_off0000b031.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB031 | 10476 bytes |
SHA-256: a6a6b577e491d3fe920fd8e7de4d9dd93bafed9aa8062653e7ab746859585dde |
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font_01_sfnt_off0000c7f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7F9 | 18156 bytes |
SHA-256: 55542650783f17463c6e684c1dae1463b6db9f8f3e85983a934faafc18d09b6c |
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font_02_sfnt_off0000f726.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF726 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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