MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable hosting or compromised CMS uploads, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://oniceh.ru/uplcv?utm_term=android+route+tracker PDF link annotation
- http://z-sinpro.com/upload/files/24244642680.pdfIn PDF document text
- https://autosaloncenter.com/uploads/file/87384941319.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/2854965823.pdfIn PDF document text
- https://angelsolutions.ro/ckeditor/ckfinder/userfiles/files/judover.pdfIn PDF document text
- http://fskyok.com/uploadfile/files/nefab.pdfIn PDF document text
- http://fabriziocar.it/userfiles/files/koromigik.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/lbrljren9v2ljm6ch5n14gda80/dimazuj.pdfIn PDF document text
- http://vakaruinzinerija.lt/userfiles/file/46566473228.pdfIn PDF document text
- http://48bulls.com/js/upload/files/7702355167.pdfIn PDF document text
- http://zhizhencn.com/filespath/files/20210907214819.pdfIn PDF document text
- http://szerecsen.hu/editor_up/lemoxurapexe.pdfIn PDF document text
- http://atek-ent.com/upload/file/6747795450.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/bl6estneuv2pai83hgrf6ga8s7/71131145965.pdfIn PDF document text
- http://labonguyenhoang.com/img-chamthi/files/56970041216.pdfIn PDF document text
- https://snf.styleguides.ch/userfiles/files/43322382365.pdfIn PDF document text
- https://lexconsulting.ro/webroot/files/media/98605756431.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613169958b76a---55445792727.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/55d2b736c33ab313e90ddfaa886fd2fc/getufagap.pdfIn PDF document text
- http://jtravel.clickis.kr/FileData/ckfinder/files/20210914_58FDB650B79BAF47.pdfIn PDF document text
- http://hak-al.com/resimler/files/26641939368.pdfIn PDF document text
- http://transporteslaplata.com/imagenes_web/file/lunijebevajoxo.pdfIn PDF document text
- https://navoloki.mebel18.com/uploads/files/bopige.pdfIn PDF document text
- http://malovanesklomh.cz/images/file/54369283949.pdfIn PDF document text
- http://hk-sai.com/ckfinder/userfiles/files/86597913253.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/7c03e0af992bf1fc9627019f81131ccb/bevadatuboxewitolamapasap.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_off0000bb3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB3B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d34d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD34D | 16916 bytes |
SHA-256: dcb51d32b9036c40701b4178c2e4fac3556d11412cac343110e770d13d14e9ce |
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font_02_sfnt_off0000ff15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF15 | 10324 bytes |
SHA-256: 48f364ff6410434aa404eaa1bb66509f9148bbe0797b983eebf1beedd1d14e55 |
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