MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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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 http://hillsdale66ersreunion.com/clients/c/c6/c679c52642bc64dd8629b98fb95ccc77/File/wowadawuselomifaf.pdf In PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/bbb6d9bccf3dd24eb5433697cb533110/33638613934.pdfIn PDF document text
- https://u-spot.biz/js/ckfinder/userfiles/files/perenemudumesilon.pdfIn PDF document text
- https://lhorizon.ca/uploadHorizon/file/juxuwopamurotadefin.pdfIn PDF document text
- http://hulstcustoms.ru/uploads/files/48471546337.pdfIn PDF document text
- http://jkbprivateiti.com/userfiles/file/23842510643.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9d17e3eb7---pipudedamufi.pdfIn PDF document text
- https://www.sistemkabin.com/ckfinder/userfiles/files/60726466058.pdfIn PDF document text
- https://stratasphere.online/userfiles/file/9618263642.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2320b0530f---25957944421.pdfIn PDF document text
- https://bak.vn/upload/files/81872852363.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/336afca1ce2c38c55c2b3a0ce5587117/tidojefuxod.pdfIn PDF document text
- http://riccaassociati.eu/userfiles/files/92699691298.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160846a70db4ab---ximuxoviluxi.pdfIn PDF document text
- http://adams-gold.ru/archive/image/file/sojukusomevuz.pdfIn PDF document text
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/024eb2c291a558efb677eff22254880d/xetagobivivaxeva.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/164b206a45662f63fc748a244a8bd44d/weluvegube.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/75cla8fmfkp9s0k80ispk4d3d3/35991927402.pdfIn PDF document text
- http://vhshf.de/File/5695007178.pdfIn PDF document text
- http://nineslash.com/user_file/file/34932365141.pdfIn PDF document text
- http://investin-khj.ir/ckfinder/userfiles/files/11608047425.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/ub9aoj8fgo1p2bliqiubmmtagq/2577249969.pdfIn PDF document text
- http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607afd4aa4276---rejorosesojasexumovibuzo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=i+found+you+lisa+jewell+pdf+free+downloadPDF 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_off0000e551.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE551 | 17596 bytes |
SHA-256: 6b7abd9594c6d9a6fc9f02899cf8270e3f7f4b19cf303036141e58faa3ebede9 |
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font_01_sfnt_off00011332.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11332 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012b49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B49 | 10776 bytes |
SHA-256: 59a339fc268df2bff332fe087a4f72e64814b602993b654265ec2eab3fc595f7 |
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