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 a machine learning classifier and ClamAV. It contains a link farm pointing to multiple compromised websites and disposable hosting, suggesting an attempt to distribute malicious content or phish users. The presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicate a focus on directing users to external, potentially harmful, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/pegvgcp8b8dbh1ish8du1dllt0/86183473943.pdf In PDF document text
- https://vozilasavozacem.rs/files/38628783060.pdfIn PDF document text
- http://ccshecea.org/upload/files/5798167495.pdfIn PDF document text
- http://vipnovini.bg/root/f/uploads/files/8024630024.pdfIn PDF document text
- http://dh-cell.net/ckfinder/userfiles/files/49440631089.pdfIn PDF document text
- http://phoiinnhiet.com/images/uploads/files/15383878546.pdfIn PDF document text
- http://manavpublicschool.org/manav/userfiles/file/32497771103.pdfIn PDF document text
- http://pfmconsulting.org/survey/userfiles/files/gewigunolosarutan.pdfIn PDF document text
- http://divapharma.com/uploaded/file/piponuxajilijevesed.pdfIn PDF document text
- http://chinhlytailieuluutru.com/media/ftp/file/vufepumul.pdfIn PDF document text
- https://www.edmcenter.xyz/ckfinder/userfiles/files/37279508677.pdfIn PDF document text
- https://rougezenekar.hu/files/file/firukavobipopafapetanode.pdfIn PDF document text
- http://hmed.vn/upload/files/nuxapunoduvilanubolular.pdfIn PDF document text
- https://gadesign52.com/uploads/files/202109050856157580.pdfIn PDF document text
- https://vayamcs.com/content_files/files/17653107194.pdfIn PDF document text
- http://soft-pro.hr/upload/datoteke/77242349808.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141bdc0ed720---fexidaladaso.pdfIn PDF document text
- http://weiken-rc.com/upload/files/jodumubalalevadegapano.pdfIn PDF document text
- http://alotercuman.com/ckfinder/userfiles/files/kebomusidigezin.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136432133a9a---86966171362.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/4eaef84ca91cfe5183c2526b4f68802e/90198612193.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=the+conjuring+2+watch+online+freePDF link annotation
- http://pro.ovh.net/~tribuene/images/banque/file/zijulegugax.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_off0000d966.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD966 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f17d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF17D | 10844 bytes |
SHA-256: e120108e2d06b85970e7891c5d7d19fc0aed866ba2e9c286c6836c4b989f0ec9 |
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font_02_sfnt_off00010a8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A8E | 17844 bytes |
SHA-256: c2244705f95d28f98fc00fb812abb17424b861e139bd9d2362ec24b49c3aead5 |
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