MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript and a significant number of links pointing to various domains, many of which appear to be compromised or disposable hosting. This suggests the PDF is designed to act as a lure, redirecting users through a link farm to a malicious destination, likely for phishing or malware delivery. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://www.rannatennis.ee/data/upfiles/files/11855844941.pdf In PDF document text
- http://gpkoaee.ru/ckfinder/userfiles/files/10801928285.pdfIn PDF document text
- http://travelsi.ru/ckfinder/userfiles/files/lenud.pdfIn PDF document text
- http://tianfonmm.com/d/files/manuj.pdfIn PDF document text
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144c5eea473f---vufawomisatitexeroniwaxen.pdfIn PDF document text
- https://willes-gb.com/uploads/files/202109082351274008.pdfIn PDF document text
- http://donleroy.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/18379538703.pdfIn PDF document text
- http://ues-rb.ru/themes/ues-rb.ru/files/nekogujebarujaruwup.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1612fef49af02c---dodev.pdfIn PDF document text
- http://kpotplace.com/uploads/files/75409284368.pdfIn PDF document text
- https://rzfmuhasebe.com/userfiles/file/14628549274.pdfIn PDF document text
- http://nusamulticentralestari.com/Uploads/userfiles/files/46475415121.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/425539ba3372c44e4f341751704d6178/magiguvudu.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16138dd8ca494b---98632053297.pdfIn PDF document text
- http://karlsbach.de/userfiles/files/futefivijodiwaliwafuni.pdfIn PDF document text
- http://archinfo.ru/uploads/file/24414579015.pdfIn PDF document text
- http://drivingschool-brno.eu/files/tedujekema.pdfIn PDF document text
- http://herningbadintra.dk/app/webroot/upload/files/sirubazolededidetubekasi.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/e5dbca58ef75ade5709b4d42c219ed31/mobotis.pdfIn PDF document text
- https://reaga.net/js/ckfinder/userfiles/files/41463627860.pdfIn PDF document text
- http://wcsps.com.tw/ckfinder/userfiles/files/xuxodakazozujagurefutuwe.pdfIn PDF document text
- http://amsaneeraus.fi/userfiles/files/nofekilaxexowik.pdfIn PDF document text
- http://architettoannalisatinelli.it/userfiles/files/rarozib.pdfIn PDF document text
- http://say-international.eu/userfiles/file/xovedililibewimasifupa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=cast+from+android+to+androidPDF 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_off0000e9d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9D9 | 10368 bytes |
SHA-256: 02a1757dc748fcb75ad3afa005a7111325648159f37d5d7c4af57e2a83cda750 |
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font_01_sfnt_off00010142.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10142 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011954.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11954 | 18952 bytes |
SHA-256: e6a8296ebd93d695e9ccaa9005a102854c5b1ec29be19572b9a4a091b274cfc1 |
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