MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a link farm across multiple domains, suggesting an attempt to direct users to download potentially harmful files. The presence of numerous unknown URLs and a specific heuristic for compromised CMS uploads further supports this phishing and malware distribution pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://kutscher-customs.de/gfx/userfiles/files/57909279543.pdf In PDF document text
- https://pasarantogel.com/contents/files/90738775629.pdfIn PDF document text
- http://cukiernia.eu/upload/files/nekevufizusuropuvanux.pdfIn PDF document text
- http://kayamedbursa.com/userfiles/file/guvok.pdfIn PDF document text
- https://larrialdiak.es/files/galeria/files/boraletafokumofi.pdfIn PDF document text
- https://gsacademy.ge/uploads/files/sazutukaxula.pdfIn PDF document text
- http://irths.com/upload_files/files/34140058960.pdfIn PDF document text
- http://abovomedia.hu/_user/file/31770249286.pdfIn PDF document text
- http://santamariamikado.com/uploads/files/76764949993.pdfIn PDF document text
- http://cedule-plachty.cz/files/file/65096638845.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613c40233736e---44392077553.pdfIn PDF document text
- https://weldingportal.it/userfiles/file/71005624120.pdfIn PDF document text
- http://hattingtoemrerogsnedker.dk/userfiles/file/rozulozepujomivubi.pdfIn PDF document text
- https://fototipia.hu/files/files/fiwedazesedelixarilirenib.pdfIn PDF document text
- http://alrehabourhome.com/userfiles/files/kizoxudididoturidel.pdfIn PDF document text
- http://redskap.ru/userfiles/file/86019347699.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/19777248124.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131ac8d6ed48---wegotivijitijoweb.pdfIn PDF document text
- http://sakurahoaanhdao.com/webroot/img/files/lapimav.pdfIn PDF document text
- https://magicdiscoradio.hu/userfiles/file/nusosetanudawokox.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/161411460bcc06---11653984105.pdfIn PDF document text
- http://watdoenwevandaag.nl/upload/26396656356.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=download+secure+vpn+apkPDF 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_off0000cba0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBA0 | 10660 bytes |
SHA-256: 93cc28aec520c9879d975fc81735ff587c9bef568ff786bba5bf6e211ab53962 |
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font_01_sfnt_off0000e43e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE43E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC50 | 17848 bytes |
SHA-256: 5a709ae667e5bb5e3feaaddf14e2d5a5183fea4e87b844067138b20462f93692 |
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