MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for malicious PDFs. It also contains numerous external URIs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://irlanc.ru/uplcv?utm_term=rangers+ordem+dos+arqueiros+ponte+em+chamas+pdf PDF link annotation
- https://verandapattaya.com/userfiles/files/61071217237.pdfIn PDF document text
- https://stabiactiv.com/userfiles/file/nabujurutatoni.pdfIn PDF document text
- http://fulns.com/uploadfile/fckedit/file/1628723648URhf.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/57962095360effb4ae3930.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e812798e7---kimilugebiruzi.pdfIn PDF document text
- http://bidwoodmachine.com/d/files/44124913877.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c31e2a5fbfd---noxopitaxilok.pdfIn PDF document text
- https://btegypt.com/file/58480076159.pdfIn PDF document text
- http://salondebellezaanamariaromero.es//ckfinder/userfiles/files/gipitabiganizo.pdfIn PDF document text
- http://ekolojikweb.net/upld/userfiles/file/dalerovuluvireju.pdfIn PDF document text
- http://tantos.jp/js/upload/files/8124874545.pdfIn PDF document text
- http://unseretochter.com/images/file/xabuzunorijo.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bdaa14e2d99---1085340588.pdfIn PDF document text
- http://ukrkarta.ua/fckeditor/userfiles/file/juxunanodaxarejegidono.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/643b4914e89b272deb880d363806563a/47530622719.pdfIn PDF document text
- http://piannocreativo.com/js/new/fckeditor/userfiles/file/74866998824.pdfIn PDF document text
- http://gyndoktors.de/ckfinder/userfiles/files/80452120550.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/16075c63704b8d---39434124233.pdfIn PDF document text
- https://adtw1.com/ckfinder/userfiles/files/lafidivepafunojun.pdfIn PDF document text
- http://jagodkaprzedszkole.pl/userfiles/file/tuzilitisixotukowobeg.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c970473f96e---noremulivebu.pdfIn PDF document text
- http://www.asslar.de/downloads/94489013401.pdfIn PDF document text
- http://execdentalclinic.com/uploads/ckfinder/userfiles/files/32820285360.pdfIn PDF document text
- http://studiotecnicoforace.eu/userfiles/files/5855406938.pdfIn PDF document text
- http://humboldthighclassof79.com/clients/1/19/19f040aad945c40a0acbd79abd3dc6cb/File/24555306353.pdfIn PDF document text
- http://mondoacquapiscine.com/userfiles/files/koranopemuxuwegawaba.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_off0000b5e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5E6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cdf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDF8 | 15928 bytes |
SHA-256: 389bcfa1da064058f5151d78e02bd9c287a0e13fa0c89b687fe8bf6dccd2ac7e |
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font_02_sfnt_off0000f55e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF55E | 11312 bytes |
SHA-256: 5472b4db20bbee210a46bb87a7869b772ba79206dae001524f9db5fcd04dc2e3 |
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