MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users. The presence of multiple external URIs and a link farm heuristic strongly suggests an attempt to lead users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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 http://lookkorea.net/userfiles/file/27413063415.pdf In PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4434bbb39e---6999775213.pdfIn PDF document text
- http://aihyang.com/userfiles/file/batubekewasokip.pdfIn PDF document text
- https://plentis.eu/ckfinder/userfiles/files/dubawewapa.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/6kns2bdcknfqokaagunshkjafo/loxonulilumuferawekutemir.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609877c35651d---22536144748.pdfIn PDF document text
- https://jbdclothiers.net/emailer/userfiles/file/72764282756.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca0571385a1---jonaxikagipo.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/5549201484.pdfIn PDF document text
- https://hogies.com/includes/template/uploads/file/koxabasepuda.pdfIn PDF document text
- http://profil-metall.de/content/uploads/file/16435223903.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160798f99273b9---folela.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0bfe0b0256---1860364487.pdfIn PDF document text
- https://detectiveoffice.net/userfiles/file/mapesejawilevigaji.pdfIn PDF document text
- http://fatamorgana.fr/uploads/assets/file/99988650749.pdfIn PDF document text
- https://dcimx.com/files/vefuzajuzivisupetegusep.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/161322d6f8903e---13073653106.pdfIn PDF document text
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/73707568403.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d62051bef92---37714602643.pdfIn PDF document text
- https://ipssecurityconsultants.com/ckfinder/userfiles/files/65595146709.pdfIn PDF document text
- http://jakpaisanestate.com/images/upload/files/99668514198.pdfIn PDF document text
- http://kpotplace.com/uploads/files/54611970195.pdfIn PDF document text
- https://angkalaris.com/contents/files/tatix.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16081d4b4983ab---buzelanigax.pdfIn PDF document text
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6bc089eb8---luxovukipobodag.pdfIn PDF document text
- https://peintures-descours.fr/fichier/files/tiselo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=manual+de+uso+da+marca+governo+federalPDF 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_off0000c3b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dbc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBC2 | 18200 bytes |
SHA-256: e58cde0a74c8d6cafa7de9c4ebada52298d030d9e02be58377895d86a77f07c0 |
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font_02_sfnt_off00010962.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10962 | 10788 bytes |
SHA-256: 56a2634531b97bfa394c8a085b44de03f443bed808dbdb0af119aeaafccd537d |
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