MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm on disposable hosting. The presence of numerous external URIs, many with 'utm_term' parameters, suggests a phishing or redirection attempt. While no scripts were explicitly extracted, the PDF format can embed JavaScript, and the overall structure points towards a malicious intent to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 5
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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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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://chcial.ru/uplcv?utm_term=season+5+my+hero PDF link annotation
- https://indikino.com/ckfinder/userfiles/files/35862210759.pdfIn PDF document text
- http://ivankotov.ru/img/lib/file/82200583072.pdfIn PDF document text
- http://tabbanbros.com/admin/fckeditor/editor/filemanager/connectors/upload/file/totokoligefabesevizewe.pdfIn PDF document text
- http://alpinist.store/sribati/editor/uploadfiles/luredepemu.pdfIn PDF document text
- https://dcoderesearch.com/uploads/65344837870.pdfIn PDF document text
- https://www.hotelrestaurantmacarena.fr/ckfinder/userfiles/files/gemujiruge.pdfIn PDF document text
- https://kingdomdatesuae.com/userfiles/files/kimawifenojelisu.pdfIn PDF document text
- http://sochi-polyana.com/ckfinder/userfiles/files/62058179590.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16132595228fb4---zamarerisumex.pdfIn PDF document text
- https://wintechindia.in/ckfinder/userfiles/files/mojekofipebe.pdfIn PDF document text
- https://responsible-tourism-alliance.com/content_file/files/pixafajevegidinukenuvitik.pdfIn PDF document text
- https://dehayemek.net/upload/ckfinder/files/7560073588.pdfIn PDF document text
- http://pscemetery.com/userfiles/file/winifuwuganofeluwir.pdfIn PDF document text
- http://longbeach.ilovepokebar.com/uploads/files/wijuxivifo.pdfIn PDF document text
- https://texasbordervolunteers.org/userfiles/file/gakixegijeludonevibewax.pdfIn PDF document text
- http://onlinetradeshow.ir/uploads/files/tinifolavokivamaga.pdfIn PDF document text
- http://sgpeo.pl/users/file/84893875257.pdfIn PDF document text
- https://netron.pt/app/webroot/media/files/96528446995.pdfIn PDF document text
- http://rideco.hu/upload/file/ratofujumo.pdfIn PDF document text
- https://angkagenap.com/contents/files/dofiji.pdfIn PDF document text
- https://mertlakustika.cz/images/pages/file/23088924193.pdfIn PDF document text
- http://jsdarvin.com/files/69041327390.pdfIn PDF document text
- http://davidhammerstein.org/userfiles/file/fekem.pdfIn PDF document text
- http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/ratipabatagowimedugub.pdfIn PDF document text
- http://lezeckastenakosice.sk/upload/files/lezuxivuxubewi.pdfIn PDF document text
- http://pk.mo/userfiles/file/tuvokebasenelok.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_off0000db83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB83 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f395.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF395 | 18220 bytes |
SHA-256: 3c741ed7a7d8f60f2b11a013f5f2bbc11b57cf54e3e49eb530c0d4f51f5092dc |
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font_02_sfnt_off00012266.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12266 | 10460 bytes |
SHA-256: 4db29454c6f676908d9848a6e1ccf6159e8a651f9fa75bdc8b271270d62bacee |
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