MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. The document employs an image-only lure, typical of phishing, and contains embedded JavaScript. It also features numerous external URIs, including one that redirects via a 'utm_term' parameter, suggesting a campaign to drive traffic to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://chcial.ru/uplcv?utm_term=what+channel+is+the+mayweather+fight+on+tonight PDF link annotation
- http://nagakuratrading.com/js/upload/files/mebarira.pdfIn PDF document text
- https://transmar.biz/ckfinder/userfiles/files/2624483177.pdfIn PDF document text
- http://thenikharvconsultancy.com/userfiles/file/4329997537.pdfIn PDF document text
- http://ecompletecontact.com/ckfinder/userfiles/files/49576234320.pdfIn PDF document text
- http://gearonlaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gowulisefi.pdfIn PDF document text
- http://www.sushmitamukherjee.com/fckimages/file/rukipadapurekobituzu.pdfIn PDF document text
- http://heninrealty.com/userfiles/files/satunawutodeg.pdfIn PDF document text
- https://mauspro.net/upload/files/pevabixakurafubagiwupi.pdfIn PDF document text
- https://samowar.me/upload/file/vasaxav.pdfIn PDF document text
- http://0vote.com/ckfinder/files/92574724191.pdfIn PDF document text
- http://sinners-party.de/media/file/38278884064.pdfIn PDF document text
- https://scavilecis.it/userfiles/file/73514239050.pdfIn PDF document text
- http://cdn.eagle.mn/uploads/userfiles/files/1182443241.pdfIn PDF document text
- https://karolinanowak.com/userfiles/file/43262204807.pdfIn PDF document text
- http://jubileejec.com/userfiles/files/rexupigelolukufosid.pdfIn PDF document text
- http://mobilahomedesign.com/userfiles/files/gaguxegowo.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/uu7ff907n4msf9b193elmr87fm/tibujologuwasomigidapu.pdfIn PDF document text
- http://prompol.com/media/file/79480096333.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140fa175781c---50846681289.pdfIn PDF document text
- http://maketmaster.ru/admin/ckfinder/userfiles/files/tijiwabikoga.pdfIn PDF document text
- http://tuecpa.com/file_media/file_image/file/18030644670.pdfIn PDF document text
- https://ms2gacor.com/contents/files/80525851483.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_off0000af88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF88 | 14080 bytes |
SHA-256: e94bfd6e115b2aa35128441683f0e1cb33726fdef6a2c98c3f7ee0286d71ec30 |
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font_01_sfnt_off0000d2bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ead6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAD6 | 10976 bytes |
SHA-256: 259eb96b544b8feecad79185ce1807f17da8e51d446429ae5e80dee86cf6999d |
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