MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or redirecting users. Multiple heuristics indicate the PDF is part of a link farm, with many URLs pointing to compromised websites or disposable hosting, suggesting a phishing or malware distribution campaign. The ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3546
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://inwebjor.ru/uplcv?utm_term=the+days+of+noah+the+flood+part+3 PDF link annotation
- http://sipsak.nl/userfiles/file/xudukixukod.pdfIn PDF document text
- http://mcenterdk.ru/fck_editor_files/files/fegipiroroxosowalutes.pdfIn PDF document text
- http://theorientgarden.iorderfoods.com/uploads/files/xaxupelazatefuparakuga.pdfIn PDF document text
- http://flywings.sk/UserFiles/file/33273852627.pdfIn PDF document text
- http://anthonyvienna.com/sites/default/files/file/fenizulubuvoluwafelimo.pdfIn PDF document text
- http://quatanggiabao.com/images/uploads/files/77205618305.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/6b33393ff8e17512bd5db41efeacdc8e/tagogutisiji.pdfIn PDF document text
- https://tectrongim.com/uploads/file/kegifeluwagugawobaj.pdfIn PDF document text
- http://flywings.sk/UserFiles/file/ralamoxamidipefo.pdfIn PDF document text
- http://austral-immo.com/userfiles/files/rareseroramipa.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614de54453089---48165800386.pdfIn PDF document text
- https://partetesal.ir/data/file/sosadojurajudibuta.pdfIn PDF document text
- http://3mfa.com/images/editor/files/8283509179.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/1bf0dc2d5c9e54eb2318a2abc03820d7/55703980885.pdfIn PDF document text
- http://urgentcarepb.com/userfiles/file/10307778622.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/mc4o863js258psevf2tl53q6h7/26005722062.pdfIn PDF document text
- https://mamap.in/ci/userfiles/files/sapoz.pdfIn PDF document text
- https://beamstraffic.com/amb/userfiles/file/fokuxapunonagaguzuxo.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615e7103954be---64554012602.pdfIn PDF document text
- http://dailynewsodia.com/assets/ckfinder/core/connector/php/uploads/files/mebojafiborovuvevivoras.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/161343dedaf473---vebesubojaxerawafomokijol.pdfIn PDF document text
- https://mondoaudio.it/img/uploaded/file/17924448417.pdfIn PDF document text
- http://aqcorth.specialty-match.com/upload/files/48954270723.pdfIn PDF document text
- http://peaceinsrilanka.lk/userfiles/file/79392903332.pdfIn PDF document text
- https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/pajopujolinakiwuzelofat.pdfIn 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_off000140b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140B4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000158c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x158C6 | 19768 bytes |
SHA-256: 51f59bb90556044f5ad334c438197f618e964fe16b678464df255ae912fa9706 |
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font_02_sfnt_off00018b83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18B83 | 10752 bytes |
SHA-256: ac3856cf368b0fe88b28c2d47fb0041d11b0c6778a3835d0d2184c1a2129abf9 |
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