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 ML classifier and ClamAV detection 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 0.9912
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://bacsiha.com/public/ckfinder/userfiles/files/45320673317.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/o38vs92e6c0dde1hlqicp1ric1/77044614639.pdf
- https://bishopsalamatkhokhar.org/userfiles/file/vaviwomalodepiwiwisamo.pdf
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607314168b380---56834268817.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b6392be2fa---54481245220.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c416539b4ab---mogiwasofibejenotixir.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a92dec429d8---lomutax.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c61e6f1e471---wemurira.pdf
- http://www.saletime.gr/admin/fckfiles/file/fopakafab.pdf
- http://urparitet.ru/admin/ckfinder/userfiles/files/16225573699.pdf
- http://sammyurias.com/userfiles/files/32182946279.pdf
- https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/12133841485.pdf
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e542cdfe2c---velilazazefilunilotiwenuj.pdf
- http://www.cddfct.com/up_files/file/89850872870.pdf
- https://marbellamohali.com/wp-content/plugins/super-forms/uploads/php/files/c2763175564143b2e35e54f7f70367a7/zevonu.pdf
- http://bereanbaptistashton.com/clients/1/1c/1ca8668e480cca1e897b6add33210fc6/File/10190711196.pdf
- http://santiagoporter.com/js/ckfinder/core/connector/php/files/konetojijolitevuw.pdf
- http://boxshop.mn/userfiles/files/solofuniw.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/1kgp8228gv6r5r507b5vdeq850/65408943906.pdf
- https://www.champagne-cornevin.fr/ckfinder/userfiles/files/kemaluwegesivufugado.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddf9287a950---38845078486.pdf
- http://jandebruijn.com/uploadimages/files/gizitudutepolo.pdf
- http://fxlcd.com/upload/file/vazokiwiguwexemewigopaza.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/76e2753e70897384ddcc86e050b6b0a1/misusarezorenir.pdf
- http://superazs.ru/images/news/file/repufavizatutofe.pdf
- http://cogersquest.com/clients/f/f6/f6194b381802d71b6842d6160e8859b1/File/tufumerini.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=the+diary+of+a+wimpy+kid+cabin+fever+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dfc5.bina91b3eecc5dfb2f287f1f7d1c242e01657c0ac78811ad89654def67f72c59739 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC5 | 11036 bytes |
font_01_sfnt_off0000f910.binebe16349b4cbfe666852a0b6828f44413e0f65e90999d9faf2e1fa3f9f3c5919 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF910 | 17676 bytes |
font_02_sfnt_off00012709.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12709 | 16792 bytes |
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