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 are hosted on compromised or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 http://galenbio.com/images/upload/file/12857371222.pdf In PDF document text
- https://thefencedocumentary.com/adminfiles/file/notagamaxejikani.pdfIn PDF document text
- http://annassteen.com/ckfinder/userfiles/files/buvavibive.pdfIn PDF document text
- http://golden-candies.ru/webroot/files/files/bogofunibafibexulawunuku.pdfIn PDF document text
- http://nrgmedia.hu/files/file/nopunuzupejexitubese.pdfIn PDF document text
- http://banglenhospital.com/UserFiles/File/duwisosujijapujaxavetokix.pdfIn PDF document text
- http://halaljones.com/uploads/files/tijiguzi.pdfIn PDF document text
- http://piannocreativo.com/js/new/fckeditor/userfiles/file/puxexisovot.pdfIn PDF document text
- https://heritagecambodiatravel.com/userfiles/file/kadedakemafuruboropof.pdfIn PDF document text
- http://jfe.hk/userfiles/mudafaxurivabizijovawev.pdfIn PDF document text
- http://www.urbanwaterways.info/files/dolupaturunamogotevi.pdfIn PDF document text
- http://surveycook.com/upload/tmp/202109/file/99802666116.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/13ee3e708cb17a23a0dd41ff7d09776a/zemokatagowuf.pdfIn PDF document text
- http://ziva-muzika.cz/files/file/fojojodiduferijes.pdfIn PDF document text
- http://pileshoppen.dk/userfiles/file/jipupatalidakokovit.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16135e3b285d7d---66786112968.pdfIn PDF document text
- http://allivecoat.com/userData/board/file/kosawagan.pdfIn PDF document text
- http://rideabikenews.com/user_img/files/88623588.pdfIn PDF document text
- http://dekobonner.de/userfiles/file/bejep.pdfIn PDF document text
- http://jinistudy.com/_UploadFile/Images/file/mekuvebi.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/60319478942.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135210f04274---11278853264.pdfIn PDF document text
- http://ets-sptk.ru/pic/file/37912642879.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=apk+shadow+fight+arenaPDF 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_off0000bff1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFF1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d803.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD803 | 17812 bytes |
SHA-256: c16031ae8408ffc43715a42653c09873121a259fea3598f5ae5de5659f5b2dfa |
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font_02_sfnt_off000105ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105ED | 10892 bytes |
SHA-256: 8dd77bd85fced5918cb785cb3138834eec8bc678611d5deee904b98fc6be4b25 |
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