MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to compromised websites and link farms, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The sample's structure as a link farm on disposable hosting further supports its role in directing users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://coretry.ru/uplcv?utm_term=dictionary+guide+words+worksheet+2nd+grade PDF link annotation
- http://botosani.ro/img/uploads/file/wefumidaxovuzos.pdfIn PDF document text
- http://ramenzoni.eu/userfiles/files/govelimore.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160c858fd30794---23575332018.pdfIn PDF document text
- http://mmbc.cz/_data/user_files/file/rifote.pdfIn PDF document text
- http://nextlab-semi.com/files/fckeditor/file/wuxonotadiwigemafop.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/ed1bfabef77a621ffc2d2a9d8e925260/romererukoriwevuj.pdfIn PDF document text
- http://beloezoloto.ru/userfiles/file/naladi.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a3d1dd7e73---3963281738.pdfIn PDF document text
- http://magiepourenfants.com/images/mediamanager/file/titapozop.pdfIn PDF document text
- http://skonasystems.com/userfiles/file/mikar.pdfIn PDF document text
- https://porterbrothersltd.com/app/webroot/uploads/weforumusutopebi.pdfIn PDF document text
- http://halongbaycruises.org/upload/files/36114291307.pdfIn PDF document text
- https://thanaclusterwestgate.leaddeehub.com/userfiles/files/61021545859.pdfIn PDF document text
- http://imdad-egypt.com/userfiles/file/873472579.pdfIn PDF document text
- https://mar3ol.com/Files/files/daxagolur.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b9d017ac53d---dodekuzuxiga.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16078adc3312d7---mukopidasoxenepaf.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e40439abdc0---bogeluk.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16094cb0cc5e31---wimopafowitogum.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_off0000ae65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE65 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c67c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC67C | 11116 bytes |
SHA-256: be96db47450a9b6f9b9ac2b11b8dc22b94ee1c043ddd1a9017a98e0dea9d4e83 |
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font_02_sfnt_off0000e05b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE05B | 14440 bytes |
SHA-256: 887a435e5d39ee60fd19cc8f49cc7371f26e70d58b69c86b10e1534d23a32c1f |
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