MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links pointing to compromised CMS upload directories and disposable hosting, suggesting it functions as a link farm to distribute further malicious content or conduct phishing. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd5cdb58a7---67775728388.pdf In PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143b962cbda3---63734586481.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc7c313022---87937043950.pdfIn PDF document text
- http://gpp300.fr/userfiles/file/31397912905.pdfIn PDF document text
- http://oticonshop.com/ckfinder/userfiles/files/refukiwarex.pdfIn PDF document text
- http://abnigakgdsg.friendship-match.com/upload/files/89801187552.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134af744c200---nasimabowup.pdfIn PDF document text
- https://thai-airpark.com/ckfinder/userfiles/files/1259872969.pdfIn PDF document text
- https://tasivn.com/upload/ck/files/witagafor.pdfIn PDF document text
- http://www.syrahresources.com.au/application/third_party/ckfinder/userfiles/files/dovatorepex.pdfIn PDF document text
- https://lifeteacher.tw/uploads/files/202108311750145260.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161462d0d26ed3---63543107897.pdfIn PDF document text
- http://boilerservis.ru/uploads/files/xibowugad.pdfIn PDF document text
- https://mchs.kz/userfiles/File/ribanosexegujisomozozijod.pdfIn PDF document text
- http://intertravel.hu/_user/file/88766831376.pdfIn PDF document text
- https://intrigantka.ru/images/userfiles/file/folagutepupisenisawo.pdfIn PDF document text
- http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/nemelekuxusevuri.pdfIn PDF document text
- https://net-mex.hu/ckfinder/userfiles/files/naxosebekonaruzenami.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148d8f4db560---77705016570.pdfIn PDF document text
- http://hopkim.vn/upload/files/gadelakuwotagi.pdfIn PDF document text
- https://graveyards-fuj.ae/userfiles/files/72058784253.pdfIn PDF document text
- http://abwrichmond.com/uploads/files/sekedod.pdfIn PDF document text
- https://truckforceone.com/upload/editor/file/8901869980.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/cd5fd244120073c9e4e5a97e994e6992/gupatavuditoxap.pdfIn PDF document text
- https://jmbarrenetxea.soinuenea.eus/files/galeria/files/lenevixixufiriribum.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=play+store+app+firestickPDF 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_off0000dd5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD5F | 18180 bytes |
SHA-256: df4af3ec0d6af87ed52e252062041a71677aa79c10833da31d7f975f05520a67 |
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font_01_sfnt_off00010c44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001245b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1245B | 10576 bytes |
SHA-256: a04f4a7f198f1d751d4874819b091e5d97885aa24b6bb4e5d4c3c57070ab7370 |
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