MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many pointing to disposable hosting or compromised CMS uploads, indicating a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://oniceh.ru/uplcv?utm_term=she+can+speak+english+fluently PDF link annotation
- http://ajtoablakcentrum.com/_user/file/xubinijizi.pdfIn PDF document text
- http://liqaa-lb.com/files/userfiles/files/46652353014.pdfIn PDF document text
- https://electrodomesticaruano.com/images/ckfinder/files/90506110633.pdfIn PDF document text
- http://mrcubezpieczenia.pl/app/webroot/media/files/tuwotafenuwofe.pdfIn PDF document text
- http://mexvp.com/ckfinder/userfiles/files/nonakepelufakovudonutokad.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/79acfa285c598c3a76cee574df98ba4a/24072946530.pdfIn PDF document text
- http://thuaphatlailongthanh.com/upload/contentFile/minhchau/file/26358277348.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16143854122226---buviparasuvewowexubox.pdfIn PDF document text
- http://marchmont.ru/imgs/file/pamuxaxofo.pdfIn PDF document text
- https://agrimal.pl/userfiles/file/77214631883.pdfIn PDF document text
- http://gwtcs.org/Content/uploads/files/4852512532.pdfIn PDF document text
- https://pharma-tools.pl/galeria/file/biwafiwawebiwozo.pdfIn PDF document text
- https://haciendaloscipreses.cl/upload/file/5134618514.pdfIn PDF document text
- http://stolizstekla.ru/userfiles/file/xevunoxena.pdfIn PDF document text
- http://gallery4walls.com/upload/editer/file/fujutawukibiviwokinuwilat.pdfIn PDF document text
- https://andrejc.si/files/file/33999774614.pdfIn PDF document text
- http://pibar.tw/uploads/files/202109132209388290.pdfIn PDF document text
- http://korea-labels.com/ckfinder/userfiles/files/96435297067.pdfIn PDF document text
- https://radio-aurea.eu/files/file/21348569981.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161320cbcedeb6---nurizukob.pdfIn PDF document text
- https://cordovajewelry.com/images/file/fososutekonilewavit.pdfIn PDF document text
- https://kaparatt.com/images/File/36642664721.pdfIn PDF document text
- http://sjmhospital.org/files/js/ckfinder/userfiles/files/mavomewuwoliganakax.pdfIn PDF document text
- 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_off0000b410.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB410 | 10920 bytes |
SHA-256: eca87b7e0dcbbc7da02bd2e85973ac6c867a09f993fe72ca7a47a570f2caa387 |
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font_01_sfnt_off0000cd5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD5B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e56d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE56D | 17632 bytes |
SHA-256: ca043166f9e4a28059f1c49723374ed74874d07172c037d612ae8b23a77ad306 |
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