MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV. It contains embedded JavaScript and a significant number of external URIs, many of which are hosted on disposable domains or compromised CMS upload directories, indicating a link farm designed to direct users to potentially harmful content. The presence of embedded JavaScript suggests an attempt to execute malicious code within the PDF viewer.
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 https://cructi.ru/uplcv?utm_term=index+of+brooklyn+nine+nine+s07 PDF link annotation
- https://alkirbilaw.com/userfiles/files/lawaxodukovaketakepa.pdfIn PDF document text
- https://chinatupai.com/web/js/ckfinder/userfiles/files/wosatemufu.pdfIn PDF document text
- https://kamionosnyelvlecke.hu/userfiles/file/zenav.pdfIn PDF document text
- https://avenue102.com/uploads/file/32295632782.pdfIn PDF document text
- http://eis-pieschel.de/UserFiles/File/vegalugajoxon.pdfIn PDF document text
- http://www.ishvani.com/www/js/ckfinder/userfiles/files/52686948442.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135909019f81---rutizotikejinatobojotiven.pdfIn PDF document text
- http://premiercontractinginc.com/files/file/90851170202.pdfIn PDF document text
- http://blccy.com/userfiles/files/rerigivol.pdfIn PDF document text
- http://demirlermetal.com/resimler/files/gupimoxipesewezida.pdfIn PDF document text
- https://www.aledrukujemy.pl/ckfinder/userfiles/files/91377291671.pdfIn PDF document text
- http://scro.ru/pic/file/jorowijirusalelesigavuro.pdfIn PDF document text
- http://dietaltop.com/userfiles/files/67355172446.pdfIn PDF document text
- http://www.larucheapain.fr/ljk/file/xomariladejikobaw.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/7d938d9118fcf17d8b868ab63fed6e31/50033364909.pdfIn PDF document text
- http://barcabianca.eu/upload/file/28145901883.pdfIn PDF document text
- http://weingut-suppan.at/files/11913210999.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ace3996262---93049482863.pdfIn PDF document text
- https://hilanguage-com-tw.triangle-design.com/files/59008726541.pdfIn PDF document text
- https://yellowmangocafe.com/userfiles/file/dimuxofusufazimeninuk.pdfIn PDF document text
- https://festival.bg/fckeditorfiles/file/95556737383.pdfIn PDF document text
- https://wolfgang-photography.com/userfiles/files/pativ.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_off000105ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105EF | 18444 bytes |
SHA-256: 5be522fd1b36ec64b6da90b7acf6227c8d0c90e610bdb145facb4bee772b55fd |
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font_01_sfnt_off0001364f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1364F | 10660 bytes |
SHA-256: 701e181de99e404db00ecc46545bc4ea215621d1b5fd65b6905daec8f1467fc4 |
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font_02_sfnt_off00014ed8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14ED8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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