MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external links, many of which point to disposable hosting or compromised CMS uploads. This indicates a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://pistant.ru/uplcv?utm_term=xiaomi+play+store+apk PDF link annotation
- http://cnkls.com/userfiles/file/1631597249.pdfIn PDF document text
- http://classicalgardenfountains.com/uplds/file/16233065505.pdfIn PDF document text
- http://pengyou-english.com/FileData/ckfinder/files/20210910_2D8F90E84A2B7098.pdfIn PDF document text
- http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/1567154480.pdfIn PDF document text
- http://mabo-meccanica.eu/userfiles/files/wovirejubolefixiwos.pdfIn PDF document text
- https://piauiaqui.com/ckfinder/files/32566968688.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/e185d6be9719ee2db9b1c4ee627eaa3b/83923213003.pdfIn PDF document text
- https://boyanbolyarski.com/userfiles/file/7417760704.pdfIn PDF document text
- https://uleshuzataruhaz.hu/files/file/9815485401.pdfIn PDF document text
- http://sevenseahotel.com/uploads/images/files/godezarizusizud.pdfIn PDF document text
- http://elmbbq.com/uploads/files/linug.pdfIn PDF document text
- http://jcnjl.com/userfiles/files/70076739601.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/161324888d79e3---48022901483.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b72cec396d---17323155286.pdfIn PDF document text
- http://aaronandanthony.com/userfiles/files/31162427295.pdfIn PDF document text
- http://master-vin.ru/files/file/garugenojafabipurilurez.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/vikumutimimusepa.pdfIn PDF document text
- http://uat2.hkha.com.hk/ckfinder/userfiles/files/8975835796.pdfIn PDF document text
- https://noble-program.site/js/ckfinder/userfiles/files/58589777296.pdfIn PDF document text
- http://kunjipsc.com/uploads/files/58441123508.pdfIn PDF document text
- http://foto-klub.dk/userfiles/file/34896058863.pdfIn PDF document text
- https://bagstyle.uz/images/file/70717959530.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135c51660a27---93550928221.pdfIn PDF document text
- http://oralrem.kz/ckfinder/userfiles/files/5682137872.pdfIn PDF document text
- https://gym-rectif.fr/ckfinder/userfiles/files/56193410567.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_off0000e994.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE994 | 18244 bytes |
SHA-256: d704c841e489fabb2d33d6bb6f17d7121d5f1d9be45970e9a05d4326010230d4 |
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font_01_sfnt_off000118b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118B5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000130cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130CC | 10520 bytes |
SHA-256: 34a87b2cbd5f29bf7bdfb0dbf39d141e3550070c9d5526f41130ffd3ca7f1cd9 |
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