MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The document contains numerous embedded URLs pointing to various domains, many of which appear to be part of a link farm designed to obscure the ultimate destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a malicious intent to distribute content or phish credentials through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://vhssirimpanam.org/ckfinder/userfiles/files/ninadutafazedebevovomoz.pdf In PDF document text
- https://isabellepieman.com/userfiles/file/fitukufajosutuxobu.pdfIn PDF document text
- http://wxbeimei.cn/upload/ckimg/files/202109241618308658.pdfIn PDF document text
- http://i-akparat.kz/ckfinder/userfiles/files/roxawipapujozapuzepujuxom.pdfIn PDF document text
- http://arkystudio.eu/userfiles/files/dedurudogonadaxowipig.pdfIn PDF document text
- https://rts-wm.com/ckfinder/userfiles/files/10446010260.pdfIn PDF document text
- http://bbfrontedelmare.com/userfiles/files/fifamivijaserotad.pdfIn PDF document text
- http://vzwsportenmuziek.com/content_docs/4227760776.pdfIn PDF document text
- http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/roturegetuko.pdfIn PDF document text
- http://around-sicily.net/userfiles/file/devibuwaraf.pdfIn PDF document text
- http://kirilmazbardak.com/userfiles/file/tenanudawixufuve.pdfIn PDF document text
- http://rafaelstore.ru/upload/files/mamuxukit.pdfIn PDF document text
- http://euromarkcreations.com/new/fck_img/file/99863592808.pdfIn PDF document text
- http://softwaretesting.kr/club/data/userfiles/file/20210926225533.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615a5df7e59bb---87717234880.pdfIn PDF document text
- http://hoaisonland.vn/upload/files/ribaxorazu.pdfIn PDF document text
- http://kolesnikov.pro/ckfinder/userfiles/files/vibefaniwatod.pdfIn PDF document text
- https://aradmissions.com/ci/userfiles/files/botikujizop.pdfIn PDF document text
- https://careersourcechipola.com/files/public/xotetodurub.pdfIn PDF document text
- http://fairbank-ia.org/admin/ckfinder/userfiles/files/79693864849.pdfIn PDF document text
- http://self119.net/upload/userfiles/2021/09/files/210914175019.pdfIn PDF document text
- https://larrialdiak.es/files/galeria/files/88828000583.pdfIn PDF document text
- https://nuteuit.ro/ckfinder/userfiles/files/vipepejozetamijamal.pdfIn PDF document text
- http://studiorestagno.eu/userfiles/files/vumijota.pdfIn PDF document text
- https://manorhair.com/uploads/files/202109240946519607.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=how+long+is+cooked+chicken+good+for+in+the+freezerPDF 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_off0000da5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA5C | 10820 bytes |
SHA-256: f9af41da46ab8ec0ea077f1bfd94b07c4bacb625bd14b03ac846880e168de861 |
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font_01_sfnt_off0000f31c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF31C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B2E | 16944 bytes |
SHA-256: b6ba7e39f766b413b87f821468ce61fab7baad02919b5dc43ef7328f66b5983d |
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