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 a phishing trojan. The document contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting it functions as a link farm designed to redirect users to malicious content. The presence of external URIs and link farms indicates an attempt to lure users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://irlanc.ru/uplcv?utm_term=nauseous+for+a+week PDF link annotation
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/23d94a1e0ad72319521991f66863a05c/49206651893.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/1iencujqotqrhih5oato4to33j/49356565852.pdfIn PDF document text
- http://sam-global.info/files/file/38533295947.pdfIn PDF document text
- http://n2nlah.org/UserFiles/file/jisisilipuvefut.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1609c9c31d6a6f---72681504966.pdfIn PDF document text
- http://anvlaw.com/userfiles/file/visas.pdfIn PDF document text
- http://westernmaki.com/uploads/files/3428087843.pdfIn PDF document text
- https://prokoncept.hu/admin/blogfck/image/file/45034788978.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ddc0110ede---12974664531.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160747befc7643---gipuw.pdfIn PDF document text
- http://dishandspoonproductions.com/ckfinder/userfiles/files/357273239.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/3d3c999e5cdb28f215a9ed0d14685d0f/98167564533.pdfIn PDF document text
- http://hakkabrothers.com/userfiles/file///20934766306.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/483346442e15e2daad3bcaca814db4aa/32211989480.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/2l6h2lqspfjphjqcgb63gqlias/rimufum.pdfIn PDF document text
- http://ecovn.vn/uploads/news_file/ranedupirevafovux.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160846a4a41eea---15270771444.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d06cee515a2---12135842088.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/57c182e0f5cf73dc49da4c9283ab876c/22259860675.pdfIn PDF document text
- http://abovomedia.hu/_user/file/pudozasawaton.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/cdb8ea0d168d5c907a0827dded3153f4/5247656076.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed03470e0d---fufisafurowamojavonev.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/xifipuk.pdfIn PDF document text
- http://bagiez.de/userfiles/file/mexuk.pdfIn PDF document text
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/2eb143f0e231d8eb95c551da740ce7a9/59440361207.pdfIn PDF document text
- https://ancoraeducacion.com/images/43379203163.pdfIn 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://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_off0000f5d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5D7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010de9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DE9 | 16868 bytes |
SHA-256: 8d20300dc40674e9751e47f6088a10dc6ad9136186f63c1c631daba2fa45d75d |
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font_02_sfnt_off000139b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139B6 | 10124 bytes |
SHA-256: 3ac2291812872981330013aa2174d8bfa0e2986c5fc826fea43fad227c528f4e |
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