MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, with heuristics identifying it as a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated, but the presence of external URIs and the link farm heuristic strongly indicate the primary attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 5
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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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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=new+horizons+graceful+painting PDF link annotation
- http://biznesfishki.ru/files/userfiles/files/vakoxubiferiluvig.pdfIn PDF document text
- http://liveranigioielli.it/userfiles/files/fijali.pdfIn PDF document text
- http://astorandblack.net/emailer/userfiles/file/bawenalodozobak.pdfIn PDF document text
- http://magendans.com/imagefiles/file/85731469230.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/03cb1f63ddd3ea73272410b77ac8bc1e/jovudid.pdfIn PDF document text
- http://tplustech.com/images/ckeditor/files/82825696299.pdfIn PDF document text
- http://zensushialiso.com/uploads/files/dofezofukovar.pdfIn PDF document text
- https://mma-montessori.com/admin/ckfinder/userfiles/files/zoradujorowikijasexiwot.pdfIn PDF document text
- https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/kenajiwodepubadasafojarim.pdfIn PDF document text
- https://dongciao.com/uploads/files/202110041444251597.pdfIn PDF document text
- http://dichvu12h.net/userfiles/file/mowufeki.pdfIn PDF document text
- http://kstarsmall.net/userfiles/file///dopimatemop.pdfIn PDF document text
- http://fishngrill.iorderfoods.com/uploads/files/sobebugati.pdfIn PDF document text
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/v89j37gcjhi3amsc3tf4aljj07/vogajedosakafadoritipi.pdfIn PDF document text
- http://hodinovysoused.cz/upload/file/poxobawegafigi.pdfIn PDF document text
- https://phoenixturkey.com/upload/ckfinder/files/lotigiragurobo.pdfIn PDF document text
- http://2990592.ru/ckfinder/userfiles/files/48174779263.pdfIn PDF document text
- http://coiffurenais.com/userfiles/file/rixobututimijanezifuwaxa.pdfIn PDF document text
- http://yachtales.net/admin/userfiles/files/gifevujirebowagovak.pdfIn PDF document text
- http://glina-master.ru/admin/ckfinder/userfiles/files/nuzatega.pdfIn PDF document text
- http://nwatchonline.info/userfiles/file/46541849928.pdfIn PDF document text
- https://perfecthospital.org/FCKeditor/file/20229335641.pdfIn PDF document text
- https://orig-shop-gsm.ro/ckfinder/userfiles/files/30299447631.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_off0000d613.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD613 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE2A | 10984 bytes |
SHA-256: e6d9cf2a650c9eaa732d173201f1e3b7f05586b6ca94c07e53cd84472c97d569 |
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font_02_sfnt_off000107bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107BD | 19184 bytes |
SHA-256: e65190824deb6e93779bc6a1f46f80cd878fe4c2d8850a0068f3a6c1eca250e4 |
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