MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, suggesting a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicates this malicious intent, as it identifies the PDF as a non-clustered link farm on disposable hosting. No scripts were extracted, but the presence of external URIs and the overall structure point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://cructi.ru/uplcv?utm_term=screen+stream+mirroring+pro+apk+gratis PDF link annotation
- https://groupunsur2.com/contents/files/jefomuzejelilu.pdfIn PDF document text
- http://ageddfjtj.pretty-match.com/upload/files/pufigadaxuji.pdfIn PDF document text
- https://pnp-studio.com/fckeditorfiles/file/jibugawamodoxo.pdfIn PDF document text
- http://metaglas.kr/userData/board/file/45298535874.pdfIn PDF document text
- https://dragonexpressml.com/userfiles/files/38444847576.pdfIn PDF document text
- https://wisestudentz.com/userfiles/file/jewavopibisujakewuwukew.pdfIn PDF document text
- http://sochi-polyana.com/ckfinder/userfiles/files/gipasale.pdfIn PDF document text
- https://eslms.com/userfiles/file/34871631809.pdfIn PDF document text
- http://beautifulmoda.com/userfiles/files/22572681089.pdfIn PDF document text
- https://solucionaesp.com/ckfinder/userfiles/files/waxaguzuruwusarimusav.pdfIn PDF document text
- http://industrialdevices.in/uploads/43459176749.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16134892e261bd---76799653555.pdfIn PDF document text
- http://metabolit-plus.ru/files/file/suzukegi.pdfIn PDF document text
- https://xrtradingfeedback.com/cmsimages/file/57294971391.pdfIn PDF document text
- https://partroyfuneralhome.com/partroy/assets/file/26417296320.pdfIn PDF document text
- http://brmxn.com/userfiles/file/20210905163555_km99bs.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/7140ae7d7811b5154d08c352d283249b/jisazogi.pdfIn PDF document text
- https://webhosting4.net/media/file/disowotomo.pdfIn PDF document text
- http://spynet.gr/Administrator/uploads/userpics/OutPostImages/files/98046791368.pdfIn PDF document text
- http://xinghui.co/upload/ckimg/files/202109101823472803.pdfIn PDF document text
- https://www.sexualaufklaerung-schule.ch/ck/ckfinder/userfiles/files/36080197162.pdfIn PDF document text
- http://fijiembajak.com/uploads/ck_uploads/files/dubepepero.pdfIn PDF document text
- http://esipro.be/userfiles/file/tugifusozivuresi.pdfIn PDF document text
- http://tahyuh.com/uploads/files/202109112130293982.pdfIn PDF document text
- https://27061010.com/uploads/files/202109100007552939.pdfIn PDF document text
- https://eventaipei.com/upload/files/wumomuli.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_off0000e203.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE203 | 10840 bytes |
SHA-256: ffbade392f7087c92e39455126ec09931d66bbf21bb2f349f997e99d21bd5c62 |
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font_01_sfnt_off0000fb0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB0A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001131c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1131C | 20448 bytes |
SHA-256: df9db10cb95dab58fc625a5833c7d4d953c838dccbffa5be51c248dade88679e |
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