MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous compromised WordPress sites and disposable hosting domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded URLs are designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
Heuristics 6
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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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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://crysiq.ru/uplcv?utm_term=alcohol+and+witch+hazel
- http://dongphuctqueen.com/upload/files/totoz.pdf
- https://irish-setter-zucht.info/ckfinder/userfiles/files/39148664252.pdf
- https://bbpartner.cz/userfiles/file/zemudixogi.pdf
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/9mgjkmaol4sli4ls72e4omd35g/gupabisi.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/orb3njatt1avoplctc8p212ok5/63088001332.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b744d4c23ca---kuzomovodajuxez.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e4fcc9692---35468691222.pdf
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16073d67594d05---10632522981.pdf
- https://mytopics.it/uploads/file/tivabebupilogosesexomub.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/brjqq2dcvqlj6asifqt2tognrk/ledatogisagalimizosigasu.pdf
- https://bjsteelvietnam.com/upload/fck/file/jawuposuzaf.pdf
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/1d6e8ac90c7fa962e92b808a99621ad2/16668890509.pdf
- http://files.ibiza-ferien.de/file/81435463965.pdf
- https://flyags.com/editorResources/file///jalobabunojusomol.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ae271e930f7---39393292877.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609ead4d96799---93209534313.pdf
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a46f464499e---38117938646.pdf
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/pc8uldqqtp8mrqkt2e1ip2iomf/koxukufukodolorubu.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/53ffaf304df3e0aac65c24cdf4c8df15/gebuxijugudenopet.pdf
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607d061a904c5---56575292939.pdf
- http://beergolfers.com./blog/images/file/xobugogufekezujinivewi.pdf
- http://bhs-class1957.com/clients/35434/File/pedafepugibomewe.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/684d41de944d0bfb68024345e84ae544/gojuwikarovisimobudif.pdf
- https://accuratesearch.com/userfiles/file/88602735627.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c58a24d7e95---67006504991.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011f17.binee20b35d5dec3945fb1dec7e59cd1716e7a59c4fb9f362dae4757b6ba97aa644 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F17 | 18452 bytes |
font_01_sfnt_off00014f80.binc5595d26c910ba4967fa9e049d85b9948cb31ff9ce7bdc2cc05d7ecaec8ff7c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F80 | 10324 bytes |
font_02_sfnt_off000166d4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x166D4 | 16792 bytes |
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