MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery through these redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
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://oniceh.ru/uplcv?utm_term=doom+ps1+rom PDF link annotation
- https://www.autopsrus.com/ckfinder/userfiles/files/sobawup.pdfIn PDF document text
- https://millersexpress.com/userfiles/file/64411258100.pdfIn PDF document text
- http://gvs-russia.ru/admin/ckfinder/userfiles/files/vagosuj.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/161490650a10fa---sugedexelinavuxoja.pdfIn PDF document text
- http://321eastern-thailand.com/userfiles/files/76278671929.pdfIn PDF document text
- http://euro-ex.net/images/blog/file/36719952266.pdfIn PDF document text
- http://abnigakgdsg.friendship-match.com/upload/files/jojitenixuso.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/dd017479e4d4a6dd2e51ff55e8c6247e/xitajarugemufizomawovesow.pdfIn PDF document text
- https://soportedevida.mx/ckfinder/userfiles/files/refaloxokukavusoresiwazu.pdfIn PDF document text
- https://afra24.com/basefile/afra24/files/tapofo.pdfIn PDF document text
- http://thietbiotovn.com/Images_upload/files/sokomebiromax.pdfIn PDF document text
- http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/43354005299.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613905f4410e0---43852959210.pdfIn PDF document text
- https://przyklejki.pl/userfiles/12732434165.pdfIn PDF document text
- http://paoladebenedetti.eu/userfiles/files/nesonitesopa.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1614ecaa26bb71---jufedarosewexiwimiragi.pdfIn PDF document text
- http://www.parinet.fi/tiedostot/files/rawudona.pdfIn PDF document text
- http://jjw-led.com/userfiles/file/58463939134.pdfIn PDF document text
- https://ctners.com/ckfinder/userfiles/files/subuzur.pdfIn PDF document text
- http://happyorderfood.com/uploads/files/17448367195.pdfIn PDF document text
- https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/vezufez.pdfIn PDF document text
- http://matras-devison.ru/upload/file/93184061631.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_off0000b3e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3E5 | 9832 bytes |
SHA-256: 31a4a81e40014ed1fa042e68bd3cc54ebad621eea44bd4fde5753d2c18406ddd |
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font_01_sfnt_off0000c97b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC97B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e18d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE18D | 18852 bytes |
SHA-256: c6bf4ebeadb163e3d4748f07d82338dbaeff951968f4698d8822b4c94d1158f1 |
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