MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, contains metadata related to 'Joe hisaishi one summer's day sheet music', likely a lure to attract victims interested in music.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://huntic.ru/uplcv?utm_term=joe+hisaishi+one+summer%2527s+day+sheet+music PDF link annotation
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607bcdcdd677a---kafovobogugo.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/6iob4iue10itv8lg8ec6rf3cf6/59837082867.pdfIn PDF document text
- http://kmkonsult.cz/userfiles/file/vifalasunugo.pdfIn PDF document text
- https://condominiovillage.com/userfiles/file/xugovimokotirune.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/40magt66o4mhqm599fb13nmphg/10779529233.pdfIn PDF document text
- http://wagnerpc.com/userfiles/files/lufovexudobexu.pdfIn PDF document text
- http://alliance-ltd.com/userfiles/39530839397.pdfIn PDF document text
- http://leebyunghun.kr/new/upload/board/files/68862703937.pdfIn PDF document text
- https://kar360.com/resimler/files/megitagi.pdfIn PDF document text
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607d83ec746a8---fonatijiroxezarugojesu.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160908ed06ca6b---vojimofo.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/726d6f68811b04545f287560f14972a6/11786114226.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/t3ttlb33mtcn7i8d3p2b9a0qcm/jebosareketomanewud.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d73520218a---xubovuwunatulubipinub.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/70026793639.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/99466085788.pdfIn PDF document text
- https://brahmagnanam.org/fck_uploads/file/39785106106.pdfIn PDF document text
- https://sportsht.com/userfiles/file/jurexavujekafutaxom.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f4d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4D7 | 5272 bytes |
SHA-256: 0f48fd1183b34e70673541068afae1aa8eda20e6b73d2fd15d2aff7fa1f17615 |
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font_01_sfnt_off000106a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A2 | 11180 bytes |
SHA-256: 1bb4e9547d76584783818a25b53a6de7a98effe5b5e82dc55f943f07004e8eba |
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