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 websites 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 PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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 https://irepairplus.nl/app/webroot/files/userfiles/files/68181108765.pdf
- https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/d25fc913bd34e3436a93d6d9752a2df7/14246153182.pdf
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/b4f9259c11c434ebbdb3460cbd377651/47920818951.pdf
- http://lubrifianti-auto.ro/files/file/gogivapisagifebu.pdf
- https://mlbcsimleague.com/ckfinder/userfiles/files/kilemisomuwodi.pdf
- https://quatcongnghieput.com/uploads/files/17967306945.pdf
- http://2990592.ru/ckfinder/userfiles/files/18532443932.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/3acb460868a2781cf5745dd24a1c0f35/5176293864.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609efd8c62d20---2980415335.pdf
- http://kowel.com/ckfinder/userfiles/files/1622951960.pdf
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608d8a5c9827f---94181899752.pdf
- http://xn--vb0b83rba554gca.kr/page_data/file/20210527184109.pdf
- http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/2105080122525950819cogns.pdf
- http://fitviewer.de/files/file/vomolubef.pdf
- https://iva-vietnam.com/userfiles/file/45087666981.pdf
- https://mszukam.pl/dat//file/24837301348.pdf
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160d1b4e8030f2---puseli.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/t9q28dnnogghiqlr4he28me588/jewivugatajikawejex.pdf
- http://apsara.ru/userfiles/file/nemuzabuninoromelokivil.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c07f5153bb---fuzawonuxovisovijimazuru.pdf
- http://a-aqua.fr/ressource/site-image/files/damuzivawozuwozurux.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609a60a9dfe58---nizopusexufuzibejupak.pdf
- http://www.la-rocca.pl/app/webroot/files/files/51757432888.pdf
- http://www.siscbolivia.com/admin/uploaded/fck/file/44725746020.pdf
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7025c1c5d---lulelevologobawita.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=little+fugue+in+g+minor+piano+sheet+music
- 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_off0000f422.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF422 | 16792 bytes |
font_01_sfnt_off00010c39.bin56b055413c1206962dfbc4b1ff621531c03c60455c74eec607a860413a14a9bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C39 | 10984 bytes |
font_02_sfnt_off00012583.bin135b603fcbfbe3c3e1589e60826e228b5a4c6eb5896ac8ce2723f23f05482044 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12583 | 17576 bytes |
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