MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and multiple external URIs, including one pointing to a raw IP address, indicating malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is part of a link farm designed to redirect users, likely to phishing sites or malware downloaders. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. 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://smidgel.ru/uplcv?utm_term=android+adb+backup PDF link annotation
- https://fentesmakina.com/paket/upload/files/kigodaxesokud.pdfIn PDF document text
- http://medicalproduct.hu/images/files/23176058756.pdfIn PDF document text
- https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/91678543875.pdfIn PDF document text
- http://sjzhtchem.com/upload/files/mumunabisulogozu.pdfIn PDF document text
- https://badrivishal.com/media/letetezuvifudul.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/161409eeb4d97c---nafiputode.pdfIn PDF document text
- https://mangonebike.com/uploads/file/73939476574.pdfIn PDF document text
- http://centrons.com/uploaded/file/3657596886139f86b4ead5.pdfIn PDF document text
- http://grupopiscis.com/upload/files/toporinurafowerikajojelux.pdfIn PDF document text
- http://kingkady.cn/uploadfile/files/xasobenejotafosofogaf.pdfIn PDF document text
- http://ekogamma.pl/javascript/ckfinder/userfiles/files/wanokukitapomiwudif.pdfIn PDF document text
- https://irisapp.cn/uploadfiles/fckeditor/20210919/file/16320322129017.pdfIn PDF document text
- http://xn--brneneskontor-landsforening-b0c.dk/userfiles/file/wagemajewubafufuvijo.pdfIn PDF document text
- http://21cedu.com/pds/userfiles/files/baxejasepuzokibodafowoz.pdfIn PDF document text
- https://www.oalysa.cz/ckfinder/userfiles/files/lujexulotegudavojoxose.pdfIn PDF document text
- http://jtg-antracyt.pl/files/file/50232700002.pdfIn PDF document text
- http://178.62.148.222:300/ckeditor/ckfinder/userfiles/files/24244598701.pdfPDF link annotation
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/dbdf1dd36b28153ff4145fdbf13dd888/30188892788.pdfIn PDF document text
- http://odumakus.com/uploads/files/11881224530.pdfIn PDF document text
- http://saiprogetti.net/userfiles/files/zisasex.pdfIn PDF document text
- http://turystyka.powiatlubartowski.pl/admin/ckfinder/userfiles/files/lamadikegeran.pdfIn PDF document text
- http://pscworld.eu/ckfinder/userfiles/files/vimunukiwed.pdfIn PDF document text
- http://dostrojar.sk/UserFiles/file/7132953127.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_off0000ced2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCED2 | 10376 bytes |
SHA-256: 8e510a1bf6563cf98a6ce24abaca953be4ec9b73068d97b242b312cf089ba66c |
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font_01_sfnt_off0000e61e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE61E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fe30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE30 | 17392 bytes |
SHA-256: c9425797b91bbff8b341719218031b3067a6769d0d8c9236e332f9b696967bbf |
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