MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to potentially compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports the nature of the document as a collection of links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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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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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://polipack.ru/content/file/vosuxigibar.pdf In PDF document text
- http://euro-ex.com/images/blog/file/1435320454.pdfIn PDF document text
- http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/jepofinuruj.pdfIn PDF document text
- http://euroambulans.pl/userfiles/file/gazodoj.pdfIn PDF document text
- https://fotobolfestmeny.hu/mvc/userfiles/file/36880884336.pdfIn PDF document text
- http://sinosteelcode.com/filespath/files/20210911205121.pdfIn PDF document text
- http://custom-mugs-factory.com/uploadfile/files/riwokuvadumabigar.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/c64e7378fd5f04d9079482c3e7b59810/kefurogirid.pdfIn PDF document text
- https://gadapavimenti.com/GadaFiles/file/59286840068.pdfIn PDF document text
- http://megalaserasia.com/upload///getefibigodadijerufi.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16149190804a5c---nobakofag.pdfIn PDF document text
- http://assessmentinsight.com/ckfinder/userfiles/files/jolopizebevuxunejufetilaz.pdfIn PDF document text
- http://ekonopuntos.com/campannas/file/patoserikiwakugegimovowux.pdfIn PDF document text
- http://dsagco.com/Upload/file/bevubipanimes.pdfIn PDF document text
- http://ingpoggi.eu/userfiles/files/woted.pdfIn PDF document text
- http://nuraski.pl/wsg/userfiles/gifagetamejulilugufivo.pdfIn PDF document text
- https://htapigroup3.com/contents/files/gutiladiniwojasiw.pdfIn PDF document text
- http://apartamentykunickiego.pl/architekci/public/upload/ckfinder/userfiles/files/ragulele.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e07a1b1e28---15291257237.pdfIn PDF document text
- http://rwdwebwebdesign.com/img-aim/files/79893234518.pdfIn PDF document text
- https://slide-bearing.com/d/files/wadopelezixu.pdfIn PDF document text
- https://cargobull.cz/res/file/82702037031.pdfIn PDF document text
- http://marklaliberte.com/fckupload/file/93600213868.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=game+yang+enak+untuk+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_off0000f4b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4B4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010cc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CC6 | 17164 bytes |
SHA-256: 254e74bc57df121da51e8e11c8a4a8063390809aaaf8a2d4405bbf9b4a51c1bb |
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font_02_sfnt_off000137ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137BA | 10724 bytes |
SHA-256: 027f52982a4bb8948a777990314796dca7e6a066283008f4c04960e1c8a031e1 |
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