MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
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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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 http://brmhn.com/userfiles/file/20210907000703_bcaay0.pdf In PDF document text
- http://ebus.cn/up_file/file/bulezazidi.pdfIn PDF document text
- https://surupaceanu.ro/ckfinder/userfiles/files/tazibu.pdfIn PDF document text
- http://daiichihousing.net/uploads/news_file/10532028833.pdfIn PDF document text
- http://isemya.by/modules/ariol/static/ariol/ckfinder/files/50346733993.pdfIn PDF document text
- http://piazzademarini3ge.com/userfiles/files/gemukefevavobusawinepu.pdfIn PDF document text
- https://webvitamin.vn/app/webroot/uploads/files/sotajoniwax.pdfIn PDF document text
- http://valentine.tutaylamhet.com/storage/ckfinder/files/wavazuburus.pdfIn PDF document text
- http://zygzak.eu/foto_dane/wysiwyg/File/68318416707.pdfIn PDF document text
- http://ucg-eg.com/userfiles/file/vipejefimokusoxi.pdfIn PDF document text
- http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/91465594653.pdfIn PDF document text
- https://uzunlarpeynir.com/dursun/upload/files/zatajidekosaje.pdfIn PDF document text
- https://sanaspinler.net/calisma2/files/uploads/nujonefuwuzesa.pdfIn PDF document text
- http://nextgenship.net/upload/file/2021091016312988966.pdfIn PDF document text
- https://lederstuehle-shop.de/ckfinder/userfiles/files/fubojezefevopofidin.pdfIn PDF document text
- http://residenceraffaellotorino.com/userfiles/files/fiwuzorekor.pdfIn PDF document text
- http://wenyanchem.com/upload/files/xiperodizupamoxib.pdfIn PDF document text
- http://nadiadsa.org/userfiles/file/43013365969.pdfIn PDF document text
- http://wmsone.com/eimages/file/xugodotavak.pdfIn PDF document text
- https://mallncart.com/userfiles/files/napatozotefet.pdfIn PDF document text
- http://volvo-cars.jp/js/upload/files/lotumokibajupusitifuwozuj.pdfIn PDF document text
- http://rheumatology.institute/upload/content/file/60741542270.pdfIn PDF document text
- https://worldpigment.com/image/upload/File/73455720532.pdfIn PDF document text
- http://busto-wl.gattinonimondodivacanze.it/themes/userfiles/files/naxeverodagavovadise.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135176ce0ad2---kudepulu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=nonton+streaming+fifty+shades+of+freedPDF link annotation
- 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_off0000ca0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA0A | 17636 bytes |
SHA-256: 4499ededbccfcc145ca6494b297a027919a6423a97a43ca23aac0703b054341c |
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font_01_sfnt_off0000f7c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010fd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FD7 | 10844 bytes |
SHA-256: ffc65766241a838730f166d1f77a29ce4e8829e4cd5c79cec4d4d43bd47f1ea9 |
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