MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as a phishing trojan and by an ML classifier. It contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm or phishing lure. The presence of external URIs and compromised upload links indicates a potential for redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://smidgel.ru/uplcv?utm_term=home+row+keys+practice+worksheet PDF link annotation
- http://munnarinfo.in/userfiles/file/xixaxetibazosuninuro.pdfIn PDF document text
- http://www.christianhouseshare.com.au/ckfinder/userfiles/files/xurobolemowupe.pdfIn PDF document text
- http://csc-vietnam.vn/uploads/userfiles/file/buxenevikatige.pdfIn PDF document text
- http://cityclick.it/userfiles/files/10223411429.pdfIn PDF document text
- http://2446665a.ru/ckfinder/userfiles/files/xiwamitebadegivalumafe.pdfIn PDF document text
- http://joyear.com/ckfinder/userfiles/files/munujuwag.pdfIn PDF document text
- http://sevennews.com.br/ckfinder/userfiles/files/77664157187.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160874d7fc6c1a---vejizuzif.pdfIn PDF document text
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607b50872b02b---31146629435.pdfIn PDF document text
- https://ppuhperspektywa.pl/files/edytor/file/5351312207.pdfIn PDF document text
- http://savvyais.com/userfiles/file/zilibujoxomuwa.pdfIn PDF document text
- http://godswaynehemiahmbc.com/clients/878002/File/49107532354.pdfIn PDF document text
- https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/htilvu3e5sva24hbrmq1d8kk56/panom.pdfIn PDF document text
- https://gagiongvitgiong.com/ckfinder/userfiles/files/7876499541.pdfIn PDF document text
- http://belst.by/upload/file/61365856352.pdfIn PDF document text
- http://www.childofafrica.org/media/userfiles/file/bisakexafale.pdfIn PDF document text
- http://tochuchoinghi.org/files/nobutu.pdfIn PDF document text
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160afcd1fada9b---97230038687.pdfIn PDF document text
- http://erictex.com/ufiles/files/vesegovuzide.pdfIn PDF document text
- http://gtlmarinefuel.com/userfiles/file/salewasapojaralagixo.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16072b18d22749---67124838181.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_off0000eb81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB81 | 17616 bytes |
SHA-256: 8310c87e8b8bc70089b562d3bb05eb4b96ed5559a1dffc7df8a5e287bc8a8965 |
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font_01_sfnt_off000118fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118FC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013113.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13113 | 10772 bytes |
SHA-256: 9bb58a8df2d14b2cb813c97af4aa606701993a9ee005725aea482af165456af5 |
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