MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains a link farm pointing to compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of external URIs and link farms indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://medvor.ru/uplcv?utm_term=esp+s17+app+download PDF link annotation
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160706dcddb310---40414170208.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608d26fc996d4---91211533799.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/uvfs766hhcivs8a6ntmomi9qc7/7951154418.pdfIn PDF document text
- http://bahtiyardishekimi.com/fckfiles/file/13944918895.pdfIn PDF document text
- http://kpdb.org/userfiles/files/72018936829.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/jei4b5spro13paenjmmme3ni3n/vejemesodumetuvub.pdfIn PDF document text
- https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078f4e8ceadb---vasopenazepowumojixodim.pdfIn PDF document text
- https://albawadiroad.com/userfiles/files/nujoduwosenewe.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/86099139233.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5iesd168o9g6guq7jhglh2kne4/xofewapoxutezadilofav.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072e0ff55f35---1173699815.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/1m6k23ekn4tv14136ojhqrjr5n/zadonopofominomegof.pdfIn PDF document text
- https://almoheetmanpower.com/public_html/userfiles/file/magofotififaxusakusowege.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/4d24c416a940885690d864a435e46fd1/dugaxevaxutefaki.pdfIn PDF document text
- http://luxcottage.ru/stroykamen/userfiles/file/83124652468.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609a219cc6271---siwowinelum.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c93afe99429---mozububavutimatodivugav.pdfIn PDF document text
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/45513c78e65214864420498a310de646/dometejuvetonoromefumavi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF1E | 5040 bytes |
SHA-256: 1c55979cb92ad5ba1a4537e16fd124f1737fcf7468be2f43dee6704f1e8cff78 |
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font_01_sfnt_off0001007a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1007A | 11296 bytes |
SHA-256: 49be7fcc2c30460a685a4132c009237445126fe889f1cde20257a1fb5e7541ec |
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