MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links, many pointing to disposable hosting or compromised CMS uploads, indicating a link farm designed to redirect users to potentially malicious content. The presence of these link farms suggests an attempt to disguise the true malicious destination and evade detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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://tebra.si/userfiles/file/gubopes.pdf In PDF document text
- http://resortvillairene.it/userfiles/files/61141875796.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/59482961292.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa4a134420---39610586572.pdfIn PDF document text
- https://xn--interpeas-r6a.es/upload/files/gikodirolale.pdfIn PDF document text
- http://xn--h1aeekk.xn--p1ai/files/file/vamupinalarekofupowa.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132693abb1c8---mabev.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/kbbl3gjb1enukjn8h6pfgu6f63/lidevevesat.pdfIn PDF document text
- https://naveenent.com/administrator/imagetemp/file/wosabolumexi.pdfIn PDF document text
- https://siriusdynamics.com/assets/uploads/files/gazaxalovatavinuril.pdfIn PDF document text
- http://waxiangyuan.com/upload_fck/file/2021-9-3/20210903145511743464.pdfIn PDF document text
- https://gullyracing.it/admin/ckfinder/userfiles/files/disikabebe.pdfIn PDF document text
- https://cs-nippon-cp.com/mailmagazine/upload/files/39890844249.pdfIn PDF document text
- https://dm288.rs/slicice/file/gepexogebif.pdfIn PDF document text
- https://www.multilandtours.com/assets/ckfinder/userfiles/files/52606700571.pdfIn PDF document text
- https://rimsball.com/ckfinder/userfiles/files/56781179069.pdfIn PDF document text
- https://feltshoe.com/userfiles/file/85025423796.pdfIn PDF document text
- http://rigassprotes.lv/uploadz/file/39782482716.pdfIn PDF document text
- https://mehreganimaging.ir/images/upload/files/revixebobifajenejureduza.pdfIn PDF document text
- https://pinkrali.com/calisma2/files/uploads/36448742713.pdfIn PDF document text
- https://www.xyoaa.org/sites/default/files/files/vorubizigo.pdfIn PDF document text
- http://makinsushi.com/uploads/files/sodumebonetakedoref.pdfIn PDF document text
- http://eros-arena.de/eros/userfiles/file/67110643111.pdfIn PDF document text
- http://kondicionery-fryazino.ru/upload_picture/file/guxodixeje.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/ndrmo3eb1n3s8qrpj84eu3dig7/41993320503.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=yts+movie+downloader+appPDF 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_off0000b0b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0B0 | 14408 bytes |
SHA-256: de4dc354fbefef9c657e00f9621cde85bd206b52825b7e1ce78e02e7f4b07728 |
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font_01_sfnt_off0000d49c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD49C | 10688 bytes |
SHA-256: b915403f0e182d43bcdd93a38ade6a0e0f7ac421a87879487407b74fc988b9eb |
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font_02_sfnt_off0000ed1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED1D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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