MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, indicating it is designed to redirect users to potentially malicious websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests the document's purpose is to act as a link farm, likely for phishing or malware distribution. The ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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://synerhu.ru/uplcv?utm_term=instantaneous+rate+of+change+from+a+graph PDF link annotation
- https://ldoris.com/upfile/files/20210918174530.pdfIn PDF document text
- https://morganmethod.com/ci/userfiles/files/10941949705.pdfIn PDF document text
- http://zoltysnieg.pl/pliki_wyswig/files/74997844043.pdfIn PDF document text
- http://bridgeonlaw.com/filespath/files/20210918020013.pdfIn PDF document text
- http://ke-sen.com/userfiles/file/1631555123.pdfIn PDF document text
- http://fizjoactiv.eu/Upload/file/5622163081.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/47779816550.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/7b34a2f78b91547b4b6ce8c4202effd9/luweruzapejafomilidevenap.pdfIn PDF document text
- http://hockeydh.com/files/ups/files/zatogabofodu.pdfIn PDF document text
- http://bhk-aindling.de/userfiles/files/32650945006.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1613f97a71e9d8---99231444216.pdfIn PDF document text
- http://lpsa.cz/userfiles/file/zumilerenovaxexomunaken.pdfIn PDF document text
- http://l-max.ru/userfiles/file/14649323386.pdfIn PDF document text
- http://oldstat.ww.tj/img/file/dabamokuwivowavo.pdfIn PDF document text
- http://criminisiepartners.it/userfiles/files/kizijekulomasatomegojo.pdfIn PDF document text
- https://simon-daulte.com/ckfinder/userfiles/files/jirodidogotufewiboniz.pdfIn PDF document text
- http://shiraz.sk/ckfinder/userfiles/files/55163420285.pdfIn PDF document text
- https://cyklo-wellness-penzion-palice.cz/content/74012669387.pdfIn PDF document text
- http://folientastaturen.pl/_data/file/xikavazuvulij.pdfIn PDF document text
- http://annamsaigonlaw.com/upload/files/mirugip.pdfIn PDF document text
- http://recepti.plovdivweek.com/js/ckfinder/userfiles/files/nexedepawirexididaxat.pdfIn PDF document text
- http://co-wemart.com/careeruserfiles/file/73588654736.pdfIn PDF document text
- https://pankajplast.com/ckfinder/userfiles/files/lezuwimemamezusa.pdfIn PDF document text
- https://melnikhouse.com/userfiles/file/4197591184.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_off0000be05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE05 | 10840 bytes |
SHA-256: 79af33a287ba9c8cc2eed7b3ecc0df488721a988f9a186d53be53b6c9ab5368e |
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font_01_sfnt_off0000d6e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eef9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF9 | 16272 bytes |
SHA-256: 2fe844442521be7ba9a9691522d20cf84a9fa268e1789e70826ef254b859f80e |
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