MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised WordPress upload directories or are structured as link farms with UTM parameters, suggesting a phishing or malware distribution scheme. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, indicating the document is designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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=harry+potter+part+1+full+movie+download PDF link annotation
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1614577e9ad735---57292203064.pdfIn PDF document text
- http://vipacademy.org/userfiles/file/66817499405.pdfIn PDF document text
- https://nic-irq.com/userfiles/files/39573305499.pdfIn PDF document text
- http://s13cf5ef.alojamientovirtual.com/ropalaboralbarata.com/userfiles/file/95826993600.pdfIn PDF document text
- http://philipwillettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/67380156827.pdfIn PDF document text
- https://khanikango.in/file/faxegosewagomep.pdfIn PDF document text
- http://ekbdrive.ru/ckfinder/userfiles/files/tibafizizuxajij.pdfIn PDF document text
- https://eastoncn.housemember.com/uploads/files/tijejolilizu.pdfIn PDF document text
- http://tataservice.it/userfiles/file/gedovoxuru.pdfIn PDF document text
- http://hingliltd.com/userfiles/mobegeposizadezodi.pdfIn PDF document text
- http://danieldesignpro.com/userfiles/48106090903.pdfIn PDF document text
- http://s-privod.ru/userfiles/file/pitejigazopukafezir.pdfIn PDF document text
- http://bannhuaduong.net/upload/files/moxuvoro.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe28384d65---87412806096.pdfIn PDF document text
- http://mayinmaunhat.com/upload/files/67449011311.pdfIn PDF document text
- http://apicn.net/upload/files/runejibirixibutoji.pdfIn PDF document text
- https://promenade-perpignan.com/userfiles/file/poletoxesa.pdfIn PDF document text
- https://ln80.cn/filespath/files/20210908184944.pdfIn PDF document text
- http://vps73.juicy-group.com/editor_upload_image/file/favufiderujumirenoru.pdfIn PDF document text
- https://pvcmikser.com/upload/files/55615224732.pdfIn PDF document text
- http://contrast.no/ckfinder/userfiles/files/83298751041.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16130bd879f19c---dosesumede.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/9jromu6j0bkclq5n4mthdovel6/92487158374.pdfIn PDF document text
- http://gyermekhaz.hu/Content/site_images/files/gopuvinumolaboro.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_off0000c0f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d903.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD903 | 17172 bytes |
SHA-256: 80569a8b6bd3413991474efc7c24ced064e6797a80cab053e13e6b6c6ada05d8 |
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font_02_sfnt_off0001046b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1046B | 10900 bytes |
SHA-256: ae4bad05ad6d5c8de68c996477489d5d60fa5e86cfd526e38f3572f891228402 |
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