MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, with multiple heuristics indicating it's a link farm. The PDF contains numerous URLs pointing to potentially compromised WordPress sites and other domains, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms strongly indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://coretry.ru/uplcv?utm_term=grand+jury+manual+doj PDF link annotation
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/df6b14ec8aac5184cb73c8f8717e2e33/67972145115.pdfIn PDF document text
- http://alituncer.com/userfiles/file/xinomunuvuwinipawuniku.pdfIn PDF document text
- http://sarkanyhajo.hu/files/file/bukagudafopogizo.pdfIn PDF document text
- http://hongdanhaudio.com/luutru/files/40219491620.pdfIn PDF document text
- https://myclubowners.com/userfiles/files/zururimapiritemilosev.pdfIn PDF document text
- http://kyanite.tv/userfiles/file/75148126753.pdfIn PDF document text
- https://domilot.com/uploader/files/67221755299.pdfIn PDF document text
- http://2016.letnifestiwal.pl/ckfinder/userfiles/files/medik.pdfIn PDF document text
- https://anukulagrotech.com/userfiles/file/52414688807.pdfIn PDF document text
- http://e-hematologica.pl/users//file/redinovemi.pdfIn PDF document text
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/a7aea80d686b1202fea17c4645927936/nudosususib.pdfIn PDF document text
- http://hotelrefah4ter.ir/basefile/hotelrefah4terir/files/77767265640.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1607c08b81d686---gokogiterofowupar.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/dc925639dbefd09e61285d06953da5e0/29689048127.pdfIn PDF document text
- https://a2designbg.com/userfiles/file/tedegilikamomusazonose.pdfIn PDF document text
- http://aimic.com/userfiles/file/lutolamuz.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16099cffb38811---siginetifesegorijemutike.pdfIn PDF document text
- http://hrudolf.com/userfiles/70168446442.pdfIn PDF document text
- https://phuketwebstudio.com/ckfinder/userfiles/files/73411025394.pdfIn PDF document text
- https://olterus.org/contents//files/zanewemomibofifirawoj.pdfIn PDF document text
- http://wgadget.com/file_media/file_image/file/9163475529.pdfIn 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://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_off000144f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144F0 | 10300 bytes |
SHA-256: 8ddb565358e9ecd1261cc9142804340c32f7965291c865e4cab4bce071d00f50 |
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font_01_sfnt_off00015c17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15C17 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00017429.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17429 | 19444 bytes |
SHA-256: c1a54d8918bf65a50d85cb08b0ffbb65c52a735c94decd1679ace0eca7edee2f |
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