MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for delivering malicious payloads. The heuristics indicate that the PDF is part of a link farm hosted on compromised WordPress sites, likely intended to trick users into downloading further malware. The ClamAV detection and ML classifier strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://eletmodguru.hu/files/files/27303470216.pdf In PDF document text
- http://synergyproperty.com/images/files/64634217012.pdfIn PDF document text
- http://gyarmatilovastorna.hu/userfiles/file/41933004057.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/1m9moutrb8i050q2us3ji6rnbn/sibibafawumijodisined.pdfIn PDF document text
- http://montaze.org/democms/userfiles/file/19458166895.pdfIn PDF document text
- http://arcadia-fitness.es/userfiles/file/xipew.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147b61571eb2---69671735384.pdfIn PDF document text
- http://sns.hu/_user/file/sanojekagilugum.pdfIn PDF document text
- http://tsutae-f.com/js/upload/files/tapubebovafezobutivuz.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16148c50ee7665---zesarujode.pdfIn PDF document text
- http://sahamit.net/userfiles/file/44107856562.pdfIn PDF document text
- http://obasekiestates.com/UserFiles/file/47398338418.pdfIn PDF document text
- https://northwestconvention.cz/data/files/42592696311.pdfIn PDF document text
- http://woodwaysindia.com/uploads/27385463575.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614de8692b051---babopagot.pdfIn PDF document text
- https://www.peltonfell.org.uk/ckfinder/userfiles/files/90190350044.pdfIn PDF document text
- http://casaledellasignora.it/userfiles/files/32555721044.pdfIn PDF document text
- http://odumakus.com/uploads/files/molunejigeja.pdfIn PDF document text
- http://101balkon.ru/upload/files/63636929114.pdfIn PDF document text
- https://www.nitm.ac.in/nitmeghalaya/ckfinder/userfiles/files/65862537913.pdfIn PDF document text
- http://gursakaryahukuk.com/images/file/daxonegefebalafovoda.pdfIn PDF document text
- http://wadirumshootingstars.com/userfiles/file///noxagejevarin.pdfIn PDF document text
- http://netinflux.net/userfiles/file/28309419112.pdfIn PDF document text
- http://taxilitomerice.cz/ckfinder/userfiles/files/pawamogoxenazowoxijaxa.pdfIn PDF document text
- http://spamsmsgiare.com/media/ftp/file/40411786110.pdfIn PDF document text
- http://sbnjl.com/userfiles/files/95238981499.pdfIn PDF document text
- https://dulsuc.cl/userfiles/file/dofonuzaxilinusilez.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=minecraft+beta+version+free+for+androidPDF 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_off0000b80c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB80C | 10624 bytes |
SHA-256: 6f13d60a172b3544cd2252cffdb11cb1ac21ba076ee8594c915b75dc89220b2f |
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font_01_sfnt_off0000d084.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD084 | 18060 bytes |
SHA-256: 972d74c1ed870ed89a3b4946b9d65c68ef8bc37e718fa4c04eac6555516de201 |
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font_02_sfnt_off0000fe9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE9F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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