MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier returned a high probability of maliciousness. Heuristics indicate the document functions as a link farm, directing users to compromised WordPress sites. These sites host further PDF files, suggesting a multi-stage download or redirection chain designed to obscure the ultimate malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 6
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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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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://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/53089d4f70e10e459e9b42be1ec14ea1/nujedelam.pdf In PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160781e3a03d30---nifufuzik.pdfIn PDF document text
- http://chiangmai-esc.net/user_img/files/57177746162.pdfIn PDF document text
- http://gdwtechnology.com/fckeditor/file/zozagilulapepew.pdfIn PDF document text
- http://shiny-baby.com/fileimage/file/bawivedipemuwurivatu.pdfIn PDF document text
- https://gujaratisamajparis.org/upload/files/darirumelajebovewore.pdfIn PDF document text
- http://industriefotografie.ch/userfiles/files/xopaduwu.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160c1d95ccc836---wimexifakuzul.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fdb3f34c83---30820192161.pdfIn PDF document text
- https://childconcern.in/trila/userfiles/file/47217720549.pdfIn PDF document text
- https://eric-parnes.com/ckfinder/userfiles/files/91493092729.pdfIn PDF document text
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/89bbb6d204a05b7609cc6f9f40a71a4e/45156649494.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/b20116e506950f7cbee7a84a8deb5092/dalonadekajewopunurelebu.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/35813cc4gsg8kdqb7ro3v9im84/jozekijuduwafa.pdfIn PDF document text
- http://stpatricksreunion.com/clients/84553/File/73474816831.pdfIn PDF document text
- http://ordinate-ltd.com/file_media/file_image/file/puketezopetit.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/161110fd952cb2---65523218616.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c792fbcbd3---militipekuzevotol.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=vw+cc+2014+owners+manualPDF 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_off0000cf18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF18 | 18584 bytes |
SHA-256: 019879f5beb821e632f5c3322ed013d866953eafccab497ea55731bc606abd75 |
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font_01_sfnt_off0000fe8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE8E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000116a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116A5 | 10728 bytes |
SHA-256: d5fb91ac8913429764d337daf3195c7a718539fa9b2c1a4e4172069fd2af4b75 |
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