MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many of which point to disposable hosting or compromised WordPress upload directories. These links form a link farm, a common technique used to obscure the final destination and potentially distribute phishing content or malware. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://teen.plovdivweek.com/js/ckfinder/userfiles/files/gorabukapejapigefanukupod.pdf In PDF document text
- https://regiefranchet.fr/userfiles/files/xijigimaz.pdfIn PDF document text
- https://www.poolsrus.com.au/application/third_party/ckfinder/userfiles/files/makaredizogopisovuxep.pdfIn PDF document text
- http://dansensvenner.dk/imagesfile///lajuropali.pdfIn PDF document text
- https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/87577882048.pdfIn PDF document text
- https://y3stwk65l-mn9.com/contents/files/24887690297.pdfIn PDF document text
- https://ohcsi.com/ckfinder/userfiles/files/77690606784.pdfIn PDF document text
- http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/difomufasadepagis.pdfIn PDF document text
- http://eros-arena.de/eros/userfiles/file/37063152444.pdfIn PDF document text
- http://ebd.su/UFD/7623/files/pixokujowavitimekarapak.pdfIn PDF document text
- http://stisk.com/file/xopowedifuzif.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/0e4f431a9419b1e7e0f91295507b6465/92928883809.pdfIn PDF document text
- http://xn--aknmedcal-wpbe.com/uploads/file/79961350315.pdfIn PDF document text
- http://sindikat777.ru/ckeditor/ckfinder/core/connector/php/uploads/files/jagewuvagukapadafasix.pdfIn PDF document text
- http://daydreamspin.com/userfiles/file/lapijowilevexiwerulexe.pdfIn PDF document text
- http://www.cddfct.com/up_files/file/kexipozokovapuvarufotag.pdfIn PDF document text
- http://tuvantindat.com/uploads/2021-09-13/images/files/77440954196.pdfIn PDF document text
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16132fb148b03d---supovexiziz.pdfIn PDF document text
- https://alohasafaris.com/files/feterimebobusuw.pdfIn PDF document text
- https://fullprotec.com/ckfinder/userfiles/files/12741418443.pdfIn PDF document text
- https://hebatkeren88.com/contents/files/tetizuvifawokava.pdfIn PDF document text
- https://xn--80apefbdm9ah5g.xn--p1ai/userfiles/misinazemonexiz.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/8d8b88152f5540c3300ca72c08bfa945/gupozogov.pdfIn PDF document text
- https://ngoctraithaibinhduong.com/uploads/news_file/jiluw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=unlimited+souls+mkx+mobile+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_off0000f682.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF682 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010e94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E94 | 18876 bytes |
SHA-256: 6a0a48c35b3a4a92d552c2b0a2d9d30d47e43e161e318b91f4494d294fee107c |
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font_02_sfnt_off00013fba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FBA | 10852 bytes |
SHA-256: 6d745fa4dafb0275bd871cd0300d20954fc4d6105033d798758c37976fcc611b |
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