MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to other PDF files hosted on a variety of domains, many of which appear to be disposable or of unknown reputation. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicates a high likelihood of this being a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://uekekb.ru/!upload/files/rupixagemegasufux.pdf In PDF document text
- http://www.oomedia.com.tw/ckfinder/userfiles/files/21147848970.pdfIn PDF document text
- http://olympusflights.com/files/files/48044013703.pdfIn PDF document text
- http://valentine.tutaylamhet.com/storage/ckfinder/files/fepetumujixe.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8af13ead7---nozobubo.pdfIn PDF document text
- https://www.loscam.com/lib_common/ckeditor/ckfinder/userfiles/files/25141906712.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/89109271378.pdfIn PDF document text
- http://abnicum.ru/files/file/35537957982.pdfIn PDF document text
- https://leavereview.com/customerinterview/ckfinder/userfiles/files/16445367741.pdfIn PDF document text
- https://indirimlipin.com/calisma2/files/uploads/53669437612.pdfIn PDF document text
- https://a-guskov.ru/uploads/files/454611160.pdfIn PDF document text
- http://shouce-image.kuchuancdn.com/Public/resource/files/57176975127.pdfIn PDF document text
- https://skiclubraonbaccarat.fr/pdf/xikefimobinoborimetul.pdfIn PDF document text
- http://klick-tipp.info/ckfinder/userfiles/publics/files/zufevakadofabe.pdfIn PDF document text
- https://aordonez.com/images/contenidos/files/jofikejasogijomewedemiraj.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130bf67c129e---97581252144.pdfIn PDF document text
- http://cl-pub.com/files/files/zikos.pdfIn PDF document text
- https://stichtingech.org/ckfinder/userfiles/files/56746992422.pdfIn PDF document text
- http://kimhoatra.vn/upload/fckimagesfile/labupapulolu.pdfIn PDF document text
- https://ecotranslation.ca/upload/editor/file/26813890184.pdfIn PDF document text
- https://cepatdaftargroup2.com/contents/files/20177540587.pdfIn PDF document text
- https://777mto.com/contents/files/jokudomiveladawuminojeru.pdfIn PDF document text
- http://the100voicesofgospel.ch/fichiers/newsletter/file/3195783505.pdfIn PDF document text
- http://hytechcommunications.com/userfiles/file/2973499807.pdfIn PDF document text
- http://xycrusher.com/d/files/detifagogupelurabad.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/Z3ufxtS7Wvw/uplcv?utm_term=fun+things+to+do+with+paintPDF 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_off0000ea81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA81 | 10556 bytes |
SHA-256: b9c077c006c0db559aeb83399c2b0e39841af7f8148432baac75225476d6ba96 |
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font_01_sfnt_off00010256.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10256 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A68 | 18616 bytes |
SHA-256: c87aa4a606c28f9144910ee8c03d011db1ffe67c6f515cf43e50b4c0ac40aefb |
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