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. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs and the nature of the link farm indicate that the primary purpose is to redirect users to external malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 https://synerhu.ru/uplcv?utm_term=into+the+magic+shop+book+pdf PDF link annotation
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/c7575007a049530a3741622dc3194334/dajakeketomivaj.pdfIn PDF document text
- https://hsse.hssanesteban.cl/files/30773177270.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613928d7426a5---65560719111.pdfIn PDF document text
- http://isotope3.pm-ural.com/uploads/files/99304190618.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc50317ae5---malaw.pdfIn PDF document text
- http://e-photo.lv/ckfinder/userfiles/files/96755853213.pdfIn PDF document text
- https://sarna-zapiekanki.pl/ckfinder/userfiles/files/87819278693.pdfIn PDF document text
- http://abwjefferson.com/uploads/files/79844953393.pdfIn PDF document text
- https://bharatceramics.in/ckfinder/userfiles/files/27382552920.pdfIn PDF document text
- http://sm300159.agchost.com/userfiles/files/5672336872.pdfIn PDF document text
- http://challendor.com/fckeditor/upload/file/bilulepifirub.pdfIn PDF document text
- https://cottingham-group.com/cufiles/files/8626209517.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/300ba5c28f3e383469cdf6f279d97eab/55054568437.pdfIn PDF document text
- http://artanuji.ge/admin/ckeditor/ckfinder/userfiles/files/61781286489.pdfIn PDF document text
- http://herningbadintra.dk/app/webroot/upload/files/45047819010.pdfIn PDF document text
- http://yingtailong.com/upload/file/2109040810429652746lv5nj3oail7.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/79c893911d9591446d3dfea454536280/xavurafu.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/telezozotodarazesatil.pdfIn PDF document text
- https://harkakotony.hu/UserFiles/file/61690708842.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/d89f45ad1cc9a2af5d603d118203bc6e/16025409788.pdfIn PDF document text
- http://xn--aknmedical-yub.com/uploads/file/13747904041.pdfIn PDF document text
- https://tecnibat.net/uploads/archivos/bajavu.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_off0000dcb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCB1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C8 | 11104 bytes |
SHA-256: 4df2ec499c34e8929444d2ded5c54c5f16397cd1b2d1dc4906e33ea59dd8b5c5 |
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font_02_sfnt_off00010e0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E0E | 19724 bytes |
SHA-256: 7fa0f0c471fe409369031d41cb208b3452ff0db26352908849109fabbbb1c539 |
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