MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS uploads and disposable hosting, indicating a link farm designed to lead users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://jmlukanich.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gumolaka.pdf
- https://vanphongphampmc.com/upload/files/finokolevozozuzaxu.pdf
- http://clarksville.net/wysiwygfiles/file/zixijavuxosesomaw.pdf
- http://chiari-web.com/ckfinder/optimist/files/lefopijotamizetosidisesus.pdf
- http://agriturismolataggiasca.eu/userfiles/files/xipudasetalipoxa.pdf
- https://klcconsulting.eu/klc/file/7821586811.pdf
- http://net-marketing.hu/images/files/vigemodafolilipupuvir.pdf
- http://thibangoto.com/app/webroot/uploads/files/gesigujowogolebewuvawij.pdf
- http://belean.pl/userfiles/file/vupow.pdf
- http://www.moyekolodin.com/files/87728683374.pdf
- http://shopsuathientu.com/uploads/userfiles/file/zakagurofezux.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161382efca392b---kuvugagagoxezugisififik.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c50527aac1---kakofuja.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613610c7c2870---11280764558.pdf
- http://konferencii.org/web/uploads/assets/file/59634415949.pdf
- http://kleinschadenexpert.com/userfiles/file/razanelokixusixoruxigiwir.pdf
- http://trendstyleimage.com/uploads/ckfinder/userfiles/files/77581703927.pdf
- http://bjyhyy.cn/filespath/files/20210913161948.pdf
- http://phutunggiahungoto.com/uploads/files/66431395520.pdf
- http://monarchiaerembolt.hu/tmp/jozepof.pdf
- http://garage-ys.info/js/upload/files/tugebom.pdf
- http://aydinservis.com/ckfinder/userfiles/files/doraxikofijifopoveb.pdf
- https://panoramamall.bg/ckeditor/ckfinder/userfiles/files/vebikuzobinule.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=ppsspp+game+tekken+7
- 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_off0000d941.bin1352fac354f904c927fb61819a0ebb952010284783a192482877654f1646db81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD941 | 10380 bytes |
font_01_sfnt_off0000f0da.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0DA | 16792 bytes |
font_02_sfnt_off000108ec.bind181805586086a311078c27aad3f5fcc238c1845aa2734c64946ba588599a746 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108EC | 17260 bytes |
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