MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is often used to redirect users to malicious websites. The heuristics indicate a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9920
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://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/875d053d217cd59c13c1860d1b03309a/71091666987.pdf In PDF document text
- http://altaprecision.com/userfiles/file/kusatafozik.pdfIn PDF document text
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/8glp5iobnu4t0874kdia5i8g88/felotanujevutewubewonufo.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160775c5f6497b---48780153100.pdfIn PDF document text
- http://bandenplaats.nl/cmsimages/file/36764978236.pdfIn PDF document text
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/57f285e92658838a57aff9b301a3fe4f/suxutibaw.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/7f3741f7195f78bf13533faa8d554b54/kesulejanabuzuzum.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160acfc18c3c61---71821406860.pdfIn PDF document text
- https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/9e7ebb842518ac2a990899355f208de5/sabiresudexud.pdfIn PDF document text
- http://kimdaiphatsteel.com/Images_upload/files/wovakokubadi.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/h82eeovlpjg8bm2homottqq251/nawubibazojipitugiga.pdfIn PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/a19b2315740c79df6d523b091d6d68a1/69977629234.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a4411ed50---jimemagakebiva.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/efdt9c2dhaj1i54m39c36v9l30/nujutezuzexifaxutixa.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/2fe78ff2a215131add69eaefe2d6b665/11954230798.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/5470060392c42a64b0d2f2ea32d5c949/zofezekuxaw.pdfIn PDF document text
- http://mackyz7automotive.com/js/upload/files/50519476389.pdfIn PDF document text
- http://centralgiving.com/media/userfiles/file/tesusatuzeradevonoval.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dcb45319e4---pofusupekivukeze.pdfIn PDF document text
- http://firewheels.pe/userfiles/file/rowefoxe.pdfIn PDF document text
- http://cimkezes.hu/uploads/ckfinder/userfiles/files/judisesos.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adce2443c10---37233362207.pdfIn PDF document text
- http://digifast.cz/userfiles/xaboxewowakolabipala.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=fixed+automation+systemPDF link annotation
- 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_off0001f8b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F8B8 | 10556 bytes |
SHA-256: 68be8030925392fc4bbf09fce13b4f3927b72df3e3639f1ca74ab0ffd9bb0e36 |
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font_01_sfnt_off000210d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x210D4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000228e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x228E6 | 20372 bytes |
SHA-256: d5bbfcf6cf6092d45224f47fbb230bb1adbc186e1f3d45490405d30004010318 |
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