MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress upload directories or are part of a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution by redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1613e4ca6194b5---fekedevizenasakok.pdf In PDF document text
- https://ngonluathan.vn/images/ckeditor/files/55559533278.pdfIn PDF document text
- http://7profi.net/userfiles/file/22279136173.pdfIn PDF document text
- https://haidangpc.com/contents/files/89863600681.pdfIn PDF document text
- http://danchrisjewelry.com/userfiles/file/devudijuwodajavubipifofaf.pdfIn PDF document text
- http://lactopad.com/uploads/files/19915944886.pdfIn PDF document text
- http://fazekaskozpont.hu/images/upload/file/lobarelakutap.pdfIn PDF document text
- http://surmounttravel.com/userfiles/files/megesubegoma.pdfIn PDF document text
- http://mackyz7automotive.com/js/upload/files/53425801227.pdfIn PDF document text
- http://www.mustwalge.ee/data/content/files/88657339843.pdfIn PDF document text
- https://vinatech.com/userfiles/file/92140361047.pdfIn PDF document text
- http://robertoantoniz.com/resources/original/file/boberojaduf.pdfIn PDF document text
- http://xingyeknitting.com/userfiles/files/pixivakefowowupuvejugox.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd1f42b807---baboxifat.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/c61fbaa85d234bb940182c4d549b4e34/dafogajuwuwu.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba7cca3b9c---74793748742.pdfIn PDF document text
- http://exoticland.bg/upload/files/files/modat.pdfIn PDF document text
- https://devcons.org/uploads/userfiles/files/kegefelizozinujowofel.pdfIn PDF document text
- http://sieuthibds.net/images/files/77663147640.pdfIn PDF document text
- http://www.zaluziemalina.cz/userfiles/file/3941692066.pdfIn PDF document text
- https://adian.eus/files/galeria/files/witujoritedabuzotatewa.pdfIn PDF document text
- https://rajatotogroup4.com/contents/files/vorodiwugurijedanewiz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=wonder+woman+1984+full+movie+free+downloadPDF 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_off0000f060.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF060 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010877.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10877 | 11000 bytes |
SHA-256: 542d1311860721aa5ce7feb8eddfd0e9328c8d889eee45cdf2aac4830906eb7c |
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font_02_sfnt_off0001221d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1221D | 17220 bytes |
SHA-256: 3ec008043cf55d16e5c1b9e5f88ac4eeea9d30f2bbf0dc432e22128d521e0034 |
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