MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file identified as malicious by an ML classifier. It contains a large number of external links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm or SEO poisoning attempt. The PDF itself does not contain readable content, but the heuristics suggest it is designed to direct users to external URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc6ba74e4f---65260617916.pdf In PDF document text
- https://binarbaid.com/public_html/userfiles/file/mefirojubodov.pdfIn PDF document text
- https://netwindowvn.com/uploads/userfiles/file/zamemefinerifozirufezopof.pdfIn PDF document text
- http://leancenter.net/public/default/ckeditor/files/19741286570.pdfIn PDF document text
- http://tourgrodno.by/images/content/file/dejokakedujatuvaxiruvufo.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608469f313ed2---77442107314.pdfIn PDF document text
- http://princeworldwide.com/multimedia/userfiles/file/zalofopomowuwuwi.pdfIn PDF document text
- http://dietetyka-24.pl/images/files/zezozofudunabudelus.pdfIn PDF document text
- https://www.funes.gob.ar/ckfinder/userfiles/files/94472359844.pdfIn PDF document text
- http://krikrik.ru/uploads/ckfinder/files/95192832164.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/1336561463bec2446a4f02b18d4813e3/nuxevofumetilo.pdfIn PDF document text
- http://lucann.com/Upload/file/badep.pdfIn PDF document text
- https://kawanmto.info/contents//files/widevivixa.pdfIn PDF document text
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/62436553594a20a5d53d490c1a7cc740/6599269129.pdfIn PDF document text
- https://mfdesign.hu/files/file/55848146881.pdfIn PDF document text
- http://bociany.sk/media/file/tumepopipinafezeduvemiru.pdfIn PDF document text
- https://balajitutorial.com/admin/userfiles/file/maratevaxem.pdfIn PDF document text
- https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/4d5989f6a138882de1f91551d1b6c178/12794474295.pdfIn PDF document text
- https://chandrakantmusicacademy.org/ckfinder/userfiles/files/fofujage.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160942cc348374---riralewumolirol.pdfIn PDF document text
- https://rajatotogroup1.com/contents//files/fapirubibu.pdfIn PDF document text
- http://naplesredeals.com/userfiles/files/rumuvoged.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607592dc2a423---toluvigibalibevaji.pdfIn PDF document text
- https://vhssirimpanam.org/ckfinder/userfiles/files/jutojavenigojum.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=graphing+absolute+value+equations+worksheet+pdf+answersPDF 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_off0000e63f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE63F | 11444 bytes |
SHA-256: 87583367a4d6df9138ff7cbf0c71e085d66a27470a6333443dea701377593d55 |
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font_01_sfnt_off00010094.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10094 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000118a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118A6 | 18024 bytes |
SHA-256: f29c9eea976c04f94e98f487ddbcd0f39306f0141f969dadbd5d2f4200e6c117 |
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