MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised WordPress installations and disposable domains, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/161428ddaba274---rezibisowe.pdf In PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613675df12732---99161802749.pdfIn PDF document text
- https://mkycc4.com/kycc4.com/userfiles/files/japes.pdfIn PDF document text
- http://eapver.com/upload/ckimg/files/202109171046535982.pdfIn PDF document text
- https://petek.biz/resimler/files/76235063962.pdfIn PDF document text
- http://effektfilm.de/files/file/49458391300.pdfIn PDF document text
- https://grupahatak.pl/admin/_fck_files/file/2973857970.pdfIn PDF document text
- http://djpress.pl/Image/files/jefurazogevalezejijutipog.pdfIn PDF document text
- http://gazetavk.ru/img/file/24759543178.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/32818675b5729cd3f013aeb189984ac0/12343373872.pdfIn PDF document text
- http://descanso.verareyes.com/ckfinder/userfiles/files/nivekusef.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/tnvcktstnfie04luipq8vqajjc/10433079195.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/4568759002.pdfIn PDF document text
- https://betenenergy.com/sites/default/files/file/29255566102.pdfIn PDF document text
- http://chandigarhdatarecovery.com/files/file/7914781744.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16143a844079ac---rudepufubisojilaj.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/tujozibokemaju.pdfIn PDF document text
- http://kleinschadenexperte.com/userfiles/file/bulutitigebaga.pdfIn PDF document text
- https://krainaogrodow.eu/zdjecia/fck/file/xepexizem.pdfIn PDF document text
- http://finara-v.com/file_media/file_image/file/83666692887.pdfIn PDF document text
- http://fkjz.cn/upload/files/2021/09/202109011818542709.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147b7538277c---waliku.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16145d89d85689---53209947244.pdfIn PDF document text
- https://irisapp.cn/uploadfiles/fckeditor/20210901/file/16304627318125.pdfIn PDF document text
- http://waetsukai.jp/system/ckfinder/userfiles/files/saderokozo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=year+7+persuasive+writing+topicsPDF 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_off0000e6e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6E8 | 17284 bytes |
SHA-256: 855a27ee3cccb0e82e26e6b7c3b9c361cb43d4342410cc1065f054ef7ef4f119 |
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font_01_sfnt_off00011394.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11394 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012bab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BAB | 10788 bytes |
SHA-256: cea433bb98429547defecdfc3d1d405acc6fc6c1fb7ef24cebf90f682abef921 |
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