MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and link farms pointing to various domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://chcial.ru/uplcv?utm_term=emteria+raspberry+pi+4 PDF link annotation
- http://littlepearlspublishing.in/data/eimages/file/75524356858.pdfIn PDF document text
- http://tindangnhadat.vn/upload/files/begelulipineremeku.pdfIn PDF document text
- http://medicamarsala.it/userfiles/files/xivalibisuxojavorozesade.pdfIn PDF document text
- http://www.flamanville-76.fr/upload/file/78863518028.pdfIn PDF document text
- https://receptabc.hu/images_banner/files/55697904758.pdfIn PDF document text
- https://adamslakeband.org/userfiles/file/16085433605.pdfIn PDF document text
- http://mmckno2010.zkosuchdol.info/files/41854918067.pdfIn PDF document text
- https://indirimlipin.com/calisma2/files/uploads/55811148241.pdfIn PDF document text
- https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/xexurewikegimixuze.pdfIn PDF document text
- http://qdsenfeng.com/data/files/88669634285.pdfIn PDF document text
- http://hermandadperdon.es/userfiles/file/83690386928.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614754544ab15---sodizejonegazepexamo.pdfIn PDF document text
- http://adriennemason.com/assets/files/berufunaxabusojan.pdfIn PDF document text
- http://agriturismolionsfarm.it/userfiles/files/zorazewifugetepuxitawij.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/19444bab3cabada9a3fc6137853bf045/43612444175.pdfIn PDF document text
- http://sk-uralstroy.ru/uploads/files/61906924292.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/f8971caed67b92e9a96057f2d80c207f/dosojav.pdfIn PDF document text
- http://guoyangmoju.com/userfiles/files/bokifalanux.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/1484205860.pdfIn PDF document text
- https://gberwanda.com/gbe/useruploads/blogs/files/xopanuga.pdfIn PDF document text
- http://szwygs.com/upload/94165454618.pdfIn PDF document text
- https://ofcourselc.com/admin/uploadsfile/35381837539.pdfIn PDF document text
- https://yennenga.org/business_school/uploads/file/46372108192.pdfIn PDF document text
- https://barcelonacentremedic.cat/files/galeria/files/67310916412.pdfIn PDF document text
- http://hamdannepal.com/userfiles/file/2904792862.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_off0000bb6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB6B | 16356 bytes |
SHA-256: c35f48f5a18d1acdb8ea201ff05b08274c17fbdf054e367cbd9e321cd1b9c75a |
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font_01_sfnt_off0000e52b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE52B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fd42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD42 | 10460 bytes |
SHA-256: 95f47f91464af8ae24c60480a65b826a7419a3153ec7f4326cfbe432561ca90f |
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