MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to multiple compromised CMS uploads, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and URL findings are sufficient to classify this as a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609064cead462---juwefelarapumebiwotaguj.pdf In PDF document text
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105080122533946.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/f0cnth5k3ld3o1vtntj5erdaeb/donejudanuxibuwalafa.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/c0b8bd40ad24763bfb980208060122a1/92491032672.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/6r2l3a2ldaer6i3hhj08ilurg6/nuxara.pdfIn PDF document text
- http://happyhanool.com/ckupload/files/35142741839.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/43537321954.pdfIn PDF document text
- http://co-wemart.com/careeruserfiles/file/gexisawune.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c58c6ce7ee6---92107976683.pdfIn PDF document text
- http://divorce-difficile.fr/userfiles/file/fugobetilisome.pdfIn PDF document text
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606f41d4df9f7---tuxerugokaniran.pdfIn PDF document text
- http://reelproductionshd.com/userfiles/file/56455931614.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/562e7ca424aace001e4e60177ca1c8f3/50905040653.pdfIn PDF document text
- http://iaestedresden.de/userfiles/file/kuweboti.pdfIn PDF document text
- http://okwmd.com/upload/fckeditor/file/rimedofelut.pdfIn PDF document text
- http://ranaghatpchsschool.org/userfiles/file/forovetepatuba.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160bacf3f48ca2---fawarutotidonoxepux.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/nodovosisonikuxunaredixis.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8e6252a4a---27601060289.pdfIn PDF document text
- http://clasesholandes.com/userfiles/file/96345159854.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608a123188b58---10412208233.pdfIn PDF document text
- https://basisnomor.com/contents//files/13182750641.pdfIn PDF document text
- http://delvalle68.com/clients/54584/File/90120553590.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1608f9e16bb559---sexedewezepabezude.pdfIn PDF document text
- http://prmakeup.com/Image/files/37194823719.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=class+7+science+ch+12+solutionsPDF 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_off0000ed35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED35 | 16428 bytes |
SHA-256: 43ad55ce2acbec4e12a5a20a4f162f955f455e1e43dfdb3fa911ace5cb793b7c |
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font_01_sfnt_off000117af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012fc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FC6 | 10580 bytes |
SHA-256: 17643a97bbe2a809602987d4c0455398bf8bc13e6347de8194eec6ba6b5f9f0d |
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