MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF file contains embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external URLs, many of which are hosted on compromised or disposable domains, indicating a likely phishing or malware distribution scheme. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://garglob.ru/uplcv?utm_term=pixel+experience+review
- http://bertrandetgastineaudesigners.com/userfiles/file/96873543034.pdf
- http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/27665079822.pdf
- https://kolbandibileklik.com/resimler/files/japosokoxijinubawimutu.pdf
- https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/66936518353.pdf
- http://gcoekmr.org/cukashmir/User_Files/imagefile/68954296572.pdf
- http://udelimpa.es/ckfinder/userfiles/files/mexojujipifofezebo.pdf
- https://acrgruppe.de/userfiles/file/katarebowipafuva.pdf
- http://poptheme.cn/uploadfile/files/20210905_134932.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161400d588848e---15205983909.pdf
- http://www.aamuhsv-madisonalumni.org/files/files/butejukalawo.pdf
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/afqf8ftoothdjic1b0ko8isd42/lodulogikapixujamefosin.pdf
- https://zmiz.hr/userfiles/file/popenajumokakirilefeguko.pdf
- http://ytbozhuo.com/upload/file/181200408478.pdf
- https://soosekszer.hu/upload/files/52300891710.pdf
- https://bloomland.com/sites/bloomland.com/files/lipafazigopazifuve.pdf
- https://stpm-sa.com/userfiles/file/51483576933.pdf
- http://investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/ruwomalimumafavax.pdf
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea4a1bff50---videtavimupefonevive.pdf
- http://jncs.kr/page_data/file/20210911190131.pdf
- http://meta-min.com/files/57701399149.pdf
- http://kovacsoltvaskerites.hu/images/file/16967495655.pdf
- https://vgi-vn.vn/app/webroot/img/files/5811604276.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614312d01208f---98084133754.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_off0000f616.bin9db019df2739c8ddf47a4faf6747ebe304f5a4b9b7357f303939eddd89ca16a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF616 | 18204 bytes |
font_01_sfnt_off00012512.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12512 | 16792 bytes |
font_02_sfnt_off00013d29.bina8e5eba5ac26e6628c3b8b49c568d875c0d11a060be641b79ed459ef0d7b15ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D29 | 10072 bytes |
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