MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript and a significant number of external URIs. Several heuristics indicate that the PDF acts as a link farm, directing users to compromised websites, some of which are hosted on disposable domains or use UTM parameters, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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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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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://huntic.ru/uplcv?utm_term=dream+league+soccer+2019+coins+hack PDF link annotation
- http://fkm-lux.by/var/upload/file/15723788520.pdfIn PDF document text
- https://floraplant.gr/FCKeditor/userimages/file/7655433106.pdfIn PDF document text
- http://turksebruiloften.nl/userfiles/file/wetesodosaked.pdfIn PDF document text
- https://maftplayer.net/calisma2/files/uploads/sesesipubarurofor.pdfIn PDF document text
- http://iact2001.com/userData/board/file/39473166212.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b5182ede5e---38658016001.pdfIn PDF document text
- http://prvugkh.ru/uploads/files/59538099301.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/69c6bbffc9308b3f9bf6661b5c592b1b/51192511265.pdfIn PDF document text
- http://abbaorphancare.org/survey/userfiles/files/37198790762.pdfIn PDF document text
- http://kimandyoo.com/userfiles/file/furanizametotedexal.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/b9f40a53b07f600ea2c39cc571f178d3/kutebuse.pdfIn PDF document text
- http://studioarclab.eu/userfiles/files/jomixisigag.pdfIn PDF document text
- http://bjsddesign.com/filespath/files/20210902093424.pdfIn PDF document text
- https://ataru.site/js/ckfinder/userfiles/files/sozel.pdfIn PDF document text
- https://strechybenesov.cz/content/vuvixevejowasojanugusomuv.pdfIn PDF document text
- http://travelspace.pl/userfiles/file/84032049529.pdfIn PDF document text
- https://mcgbaharat.com/userfiles/file/40771774968.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613dbfa6db907---38221808185.pdfIn PDF document text
- https://gobelsprofil.com/upload/files/zazopaludomojaradezuxagex.pdfIn PDF document text
- http://ysenb.kr/board/file/editor/file/pawoduvuw.pdfIn PDF document text
- https://yaofangpeixun.com/upload/files/59646246925.pdfIn PDF document text
- https://empezo.xyz/js/ckfinder/userfiles/files/naputu.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_off0000d92a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD92A | 17404 bytes |
SHA-256: f87eac220e67d7ec4e1986563ec984831c56b4121257a7a4b8ade71e1446a7a7 |
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font_01_sfnt_off0001067d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1067D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E94 | 11232 bytes |
SHA-256: bbc14feb3db166e86cb7b6ed54c480c07429b7038b3342395366ac66418db626 |
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