MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code or redirecting users to malicious websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous external URLs suggest a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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://cortopolis.ar/userfiles/file/tegiparusomabunufabifuj.pdf In PDF document text
- http://pelesiuvalymas.lt/i/File/59767589823.pdfIn PDF document text
- http://rallyteamwalraven.nl/file/kerugoluvirozosodogeteges.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/89e41ef1a73c6f801abc948b997a0967/76949689476.pdfIn PDF document text
- http://fashioneducation.ru/userfiles/file/faxisagusafufu.pdfIn PDF document text
- https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/32d2e39ac0769b6bd03f7c7bd9f98632/jubuzez.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/garidixizepi.pdfIn PDF document text
- http://aodaiminhhanh.com/app/webroot/uploads/files/nesegoludimoniresosem.pdfIn PDF document text
- http://archimax.ch/dynamic-images/cms/file/95565665173.pdfIn PDF document text
- http://geyikkimya.com/userfiles/upload/file/56673695029.pdfIn PDF document text
- https://linlinline.biz/js/ckfinder/userfiles/files/bozikemerirodexuremoxenaj.pdfIn PDF document text
- http://www.plain-pied.com/editeur/ckfinder/userfiles/files/joduminiweluxoxegujev.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/94896178169.pdfIn PDF document text
- https://delcinfo.ru/img/files/files/67711081958.pdfIn PDF document text
- http://synagoge-stommeln.de/ckfinder/userfiles/files/xilumupi.pdfIn PDF document text
- http://icloudcleaners.com/uploads/account/autoresponderfiles/18750418496.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/lk8fpre60k037nirled0r2kgn4/mepuvunufovatesuzokafenin.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610103d5e8c24---59947693594.pdfIn PDF document text
- https://empresa-venta.hr/files/xidimekovenimobipakulo.pdfIn PDF document text
- https://www.stnedu.com/ckfinder/upload/files/1905332917.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/gtuu30lq4luncpemq1o3c5vgf0/5508392228.pdfIn PDF document text
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/f97cc43fcc5262673f6e370c69668c5e/zifabonimamufizefaba.pdfIn PDF document text
- https://buyafranchise.org/files/files/derapobogamutok.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/oqa464btutoclj0r5uaa6f357b/15528357647.pdfIn PDF document text
- https://momsgardenfoods.com/ckfinder/userfiles/files/19235238841.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/a42f1cb217457be8e09542564df7e8f2/450226525.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=descargar+crash+bandicoot+1+2+3+para+pc+gratisPDF 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_off0000dd8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD8F | 18544 bytes |
SHA-256: db784f23490d1c0919aae9492d8639732a0216f43c78d5ca69a6679eda13070d |
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font_01_sfnt_off00010d04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001251b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1251B | 11232 bytes |
SHA-256: 696c6e7e4d8ef18a0f18681bbd2e504844257b91713c82859af7e14002f67f84 |
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