MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with numerous URLs pointing to disposable or compromised hosting, suggesting a phishing or malware distribution scheme. The presence of multiple external URIs and link farm indicators strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://jyjjapan.jp/files/ckeditor/files/suvatevepijamujojepizoxiv.pdf In PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16134485df066c---88253568404.pdfIn PDF document text
- http://trust-law-firm.com/userfiles/file/20210901165751_1334144759.pdfIn PDF document text
- http://lumieye.com/userData/ebizro_board/file/biduloxozejutiwi.pdfIn PDF document text
- http://vamaconsulting.sk/userfiles/file/kukituga.pdfIn PDF document text
- http://ks-system.co.uk/ckfinder/userfiles/files/mamabigadagudamuju.pdfIn PDF document text
- https://asharfilalkulfi.com/ckfinder/userfiles/files/15125429858.pdfIn PDF document text
- http://textstricker.de/benutzerdateien/momodimep.pdfIn PDF document text
- https://nestsearch.in/admin/uploads/file/21880931679.pdfIn PDF document text
- http://wwpokebar.com/uploads/files/51090561774.pdfIn PDF document text
- http://xn----7sbbbizu2bxaod.xn--p1ai/userfiles/file/10678466051.pdfIn PDF document text
- http://hsaltsj.com/uploads/files/79296852714.pdfIn PDF document text
- https://kalashad.com/userfiles/file/wetupiwujibusipuxomiraxep.pdfIn PDF document text
- http://bulmarconsult.com/files/98282061175.pdfIn PDF document text
- https://jv-cms.crazy-jessie.nl/uploads/files/84247206469.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/04p8fhfifubjnhhl34jn84n700/60211661906.pdfIn PDF document text
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/falejegorurobajoxaxef.pdfIn PDF document text
- http://greatwalledmond.com/ckfinder/userfiles/files/95413919858.pdfIn PDF document text
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/41d6c4b20e3e1736b682d9ad9eed6959/zemagebulejapadunimeliz.pdfIn PDF document text
- http://mudrberanova.cz/userfiles/file/foremowe.pdfIn PDF document text
- http://swaptoys.org/ckeditor/uploads/files/bukeli.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613311cc42122---budisokudakikuf.pdfIn PDF document text
- https://drddvichitra.com/userfiles/file/91040752838.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=mirror+phone+screen+to+ps4PDF 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_off0000b181.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB181 | 10336 bytes |
SHA-256: 0efecb572f499190e0b7eb7c7e99e0909aad1b87ee3be6c18f93e91b6b829333 |
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font_01_sfnt_off0000c8d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e0e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0E7 | 16080 bytes |
SHA-256: 1fbe3457d2625f521b5e530db22fcc736b9def218953cd1e036f1f9b401e9f58 |
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