MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of external URIs and link farms indicates an attempt to lead the user to a compromised or malicious resource.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081e2d11b11e---fekarotawejokuzolubu.pdf In PDF document text
- http://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/gazikotow.pdfIn PDF document text
- http://hugslock.com/app/webroot/img/files/fizebejananagirenizobazul.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/ecaf9a18dd17819827d05c4ae839a6da/41845321530.pdfIn PDF document text
- https://dailyiat.com/html_upload/file/74884413044.pdfIn PDF document text
- https://tidaksusah.com/contents//files/napunuxamudoramizupux.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a55d98b62a0---tojidunodixeva.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072623bb8518---34032069155.pdfIn PDF document text
- https://juvelyrikoscentras.lt/Files/file/daruvezatelem.pdfIn PDF document text
- http://canadapremiumlubes.com/survey/userfiles/files/pajirusapibokubeki.pdfIn PDF document text
- https://elegune.net/files/galeria/files/36394699731.pdfIn PDF document text
- http://lapawan15.com/shop/fck_file/file/45154254567.pdfIn PDF document text
- http://diegogenna.it/userfiles/files/divenasaxozipawumejenekum.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/f772a8f7ef6124aa4b6f58b053a4b763/kenetagaliro.pdfIn PDF document text
- https://appfacile.it/file/60150251696.pdfIn PDF document text
- http://samuiluxurytravel.com/Uploads/file/bibumijorigeliboris.pdfIn PDF document text
- https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/160734bc5ee98e---53966938937.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160711faad43e7---zobuwumomin.pdfIn PDF document text
- https://saatyapi.com/upload/ckfinder/files/wetibasofexage.pdfIn PDF document text
- http://i-daa-wl.de/userfiles/vesokefejub.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a32e06028e6---72624808112.pdfIn PDF document text
- http://kubablimel.pl/Image/files/kanozufukopi.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/3dc2f0e1857330356580c761d9160513/22222525357.pdfIn PDF document text
- http://www.sec-ollivier-associes.fr/www/upload/file/36233572483.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b41cd16014c---romopawekerule.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=asset+based+pricingPDF 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_off0001318d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1318D | 17080 bytes |
SHA-256: f5f87231b3780ac8a87822ff9d5caffd31032935c311a3e3d61c4440e6d2ae0e |
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font_01_sfnt_off00015e51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15E51 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00017668.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17668 | 10644 bytes |
SHA-256: 9dbc088ac199045c6157c5c88f029b2dd5b53978552ded5eb7c868976f220116 |
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