MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to other PDF files hosted on various domains, suggesting a link farm designed to obscure the true malicious destination. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://psystems.gr/Administrator/uploads/userpics/OutPostImages/files/92687959747.pdf In PDF document text
- https://muacash.com/webroot/img/files/56320937253.pdfIn PDF document text
- http://whuntex.info/userfiles/file/lodubuxovukowatapibudoj.pdfIn PDF document text
- http://mishor-uvk.com/uploads/files/54886762421.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/161404136a01a2---betetezenizu.pdfIn PDF document text
- http://commune-bourre.com/userfiles/file/runuwatunoj.pdfIn PDF document text
- http://niezapominajkowo.eu/userfiles/file/fokofesibanimizude.pdfIn PDF document text
- http://sithome.com/upfiles/file/20210908031100.pdfIn PDF document text
- https://bibonatura.com/ckfinder/userfiles/files/ligejibofiwopibuzuw.pdfIn PDF document text
- http://rocincorporated.com/domain.com/images/dynamic_pages/file/90203011021.pdfIn PDF document text
- http://mentor-tutor.com/newGroserLikeProject/uploads/files/zokopidabitebesu.pdfIn PDF document text
- http://sahrugs.com/userfiles/file/33089922143.pdfIn PDF document text
- http://jiangsutravel.kr/userfiles/files/20210910_190233.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/botuuldm7d5c3b6opvd5fdto26/kefinavuvopenaveninos.pdfIn PDF document text
- http://inarchengineering.it/userfiles/files/vutadukexidosoteje.pdfIn PDF document text
- http://bbbo.handyfriendship.com/upload/files/dowupa.pdfIn PDF document text
- https://marlin-aquarium.ru/ckfinder/userfiles/files/zaxozutakizowabalotesi.pdfIn PDF document text
- https://protradingindia.net/userfiles/file/52064425423.pdfIn PDF document text
- https://intrastorg.com/userfiles/file/91385312040.pdfIn PDF document text
- http://srs-budapest.hu/uploads/files/tikasikuvukolufakelaxepub.pdfIn PDF document text
- http://syntra.pl/userfiles/file/lewezumiratuforokojinali.pdfIn PDF document text
- http://osoboebludo.com/ckfinder/userfiles/files/sewegiguzamufadoni.pdfIn PDF document text
- http://cdenito.net/userfiles/file/12486894115.pdfIn PDF document text
- http://tamlaproject.com/userData/board/file/29211286434.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=jack+reacher+full+movie+free+downloadPDF 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_off0000e91d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE91D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001012f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1012F | 18400 bytes |
SHA-256: ce1852806319e5eb0bd2c43312d4c5b54900b71eb8d907bd7ea316e88667c561 |
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font_02_sfnt_off000130da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130DA | 10808 bytes |
SHA-256: e8076eaf590a5d5b27d57bd8b4b9eafcb72feaefcc1d0b1a69ecd893df851fb3 |
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