MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. It also features numerous external links, several of which point to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution attempt. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://pinzimoniofiumicino.eu/userfiles/files/31518142872.pdf In PDF document text
- http://jiehuist.com/userfiles/files/somababofumuvirosaneb.pdfIn PDF document text
- http://gintaras.cz/userfiles/file/1133985243.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318e215bcea---9760899896.pdfIn PDF document text
- https://ip-kamera-rendszer.hu/ckfinder/userfiles/files/pizebifezezeruxuti.pdfIn PDF document text
- http://studiobaliva.eu/userfiles/files/pelanesizewemuxab.pdfIn PDF document text
- http://hodoan.net/userfiles/file/rupixirit.pdfIn PDF document text
- http://hoteldazegliotorino.com/userfiles/files/dositavuzu.pdfIn PDF document text
- https://krzczonowice.pl/gfx/file/58401760658.pdfIn PDF document text
- http://elfobchod.cz/foto/Image/file/32648493674.pdfIn PDF document text
- http://qamsar.org/userfiles/files/34951427425.pdfIn PDF document text
- http://licausi.it/userfiles/files/nebojaxupazatureturipe.pdfIn PDF document text
- http://arkystudio.eu/userfiles/files/79626017593.pdfIn PDF document text
- http://goref.ru/files/file/famugexozu.pdfIn PDF document text
- http://whatdwellswithin.com/file/85995422395.pdfIn PDF document text
- https://uetty.xyz/js/ckfinder/userfiles/files/bavedidufuw.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404f9f583cf---gilozixuzuxilan.pdfIn PDF document text
- http://vanhacollection.com/images/files/kikarebirokupil.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/161338dae1675d---4995949975.pdfIn PDF document text
- https://projetovm.com/uploads/files/tesudolivowovejox.pdfIn PDF document text
- https://dubigroup.com/admin/fckeditor/editor/filemanager/connectors/upload/file/64415014209.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/lisomoreroxos.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/28779748729.pdfIn PDF document text
- http://intelekt.biz/uploads/pages/files/tanaxatomuwuzupeziwetex.pdfIn PDF document text
- http://anael.fr/fckeditor/userfiles/file/tawisopajudirovamef.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=a+week+in+the+woods+full+book+pdfPDF link annotation
- 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_off0000ff42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF42 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011759.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11759 | 10732 bytes |
SHA-256: acdbbd1e7e0760572ed66b5a08ce8e6006cf277db8ace3004af9d6ef38ae6ef6 |
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font_02_sfnt_off00012fcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FCC | 18536 bytes |
SHA-256: 1a27f8c9d17117405fec62e05d026a77492c10d0350f915a0debc9eb5e2af606 |
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