MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a tactic to obscure the true destination by using many distinct, potentially disposable hosts. While no scripts were explicitly extracted, the nature of the embedded URLs and the 'ML_NYX_PDF_MALICIOUS' firing strongly suggest a phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9939
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://psychologadamczak.pl/userfiles/file/tiwokamexakamedivoxive.pdf In PDF document text
- https://indobaliart.com/sitefiles/file/45304417124.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/baca2c41ef2f37fb7b77e415bd0292c7/74431576039.pdfIn PDF document text
- http://hodoan.net/userfiles/file/55563647121.pdfIn PDF document text
- https://kuni.ro/app/webroot/files/userfiles/files/68266992977.pdfIn PDF document text
- https://aristi-trap.com/upload/users/files/tamawitopopikovadutero.pdfIn PDF document text
- http://www.naraihillgolf.com/admin/userfiles/file/37439836035.pdfIn PDF document text
- http://galettedesrois.hu/userfiles/file/94488791130.pdfIn PDF document text
- http://www.yankey.com.tw/demo/public/editor/ckfinder/upload/user_upload/files/33517878565.pdfIn PDF document text
- http://dellalontra.it/userfiles/files/pofoguximolarikixesoviw.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161413aa3d47ec---sazafaferanujekutudezarot.pdfIn PDF document text
- http://congseng.com/uploadfile/files/10491299402.pdfIn PDF document text
- https://visualarchive.bg/files/80697410795.pdfIn PDF document text
- https://alamansyria.com/userfiles/file/kenibofab.pdfIn PDF document text
- http://reckdance.pl/userfiles/file/nedinibunupotoropajavo.pdfIn PDF document text
- https://lanjutpt1.com/contents/files/fiditenegefokom.pdfIn PDF document text
- http://luijkzonwering.nl/image/file/nomagime.pdfIn PDF document text
- https://rajatotogroup3.com/contents/files/69104759024.pdfIn PDF document text
- https://kuepancong.com/contents/files/81612487572.pdfIn PDF document text
- http://pcccmiennam.com/media/ftp/file/4693629416.pdfIn PDF document text
- https://mikludava.lt/images/files/tadefowaribojesu.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/161317e58ecdab---35209032430.pdfIn PDF document text
- https://holyfamilyhospitals.com/ckfinder/userfiles/files/kowupivusix.pdfIn PDF document text
- https://trinityautorepairs.com/uploads/files/88941650932.pdfIn PDF document text
- https://foodthings.us/userfiles/file/zapezezasun.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/19795768078.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=idioms+and+phrasal+verbs+intermediate+pdf+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_off0000be71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE71 | 11008 bytes |
SHA-256: 6a399901cb1e67ffaad452371deafdc90b261b59ec20b101092dcccbc9d9a991 |
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font_01_sfnt_off0000d798.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD798 | 16660 bytes |
SHA-256: 36d9342dcf40b8c5947a2a4550b4eba238aaca1e14a4a8f2da381c5bca9859db |
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font_02_sfnt_off000102f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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