MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many hosted on compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users to malicious content. No scripts were extracted, but the overall structure and URL distribution suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/c427aba80be2fb23849029261693c2c8/dubofoje.pdf In PDF document text
- http://bukhatirhomes.com/userfiles/file/jurusolewagufipa.pdfIn PDF document text
- http://antifftech.com/uploadfile/file///2021050517492378.pdfIn PDF document text
- https://amd-export.com/site/upload/file/gaduguxaribub.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/1t0njcc5fri586p5be8v66gvu4/muxiwolebebowowodok.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160aecf186330c---xezuguzizejoxo.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb86c4e4ea---59628794906.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/16098ad6a0cdd8---togadosedolofuzus.pdfIn PDF document text
- https://farmaciasacoor.com/site/upload/file/70395663359.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d2b8f6d4028---95097205449.pdfIn PDF document text
- http://phuocthuan.vn/images/pic/file/85907893127.pdfIn PDF document text
- https://mk-sito.it/uploads/file/35296686310.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160758219523e5---soziziwo.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/k3hop42u47mut2k8nr3amclg35/jugekidadawusikovabodotup.pdfIn PDF document text
- https://acgroupenterprise.com/userfiles/file/29710034660.pdfIn PDF document text
- http://mlkscholarshipsmilwaukee.org/clients/f/f0/f021f13c5c598389be7e913a1ae626ff/File/tarizesuzuk.pdfIn PDF document text
- https://motelandratecuci.ro/userfiles/file/dufugofewimuj.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/15409564761.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d55adb47aa0---resutijegoxedugaz.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160b093b98ecb6---58976609609.pdfIn PDF document text
- http://e-hematologica.pl/users//file/63150288750.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160acb1270c1b6---xadija.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/b06eca2adcf06be2a53a6627e0fabe68/84301195750.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/2c1c4906d50d219073d0b16715903850/82957958747.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=the+thief+lord+book+pdfPDF 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_off0000e907.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE907 | 16800 bytes |
SHA-256: c6306abc15d7284d3e70e52e3919dfbfdd432443d1b79fce3c89060600fb54f3 |
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font_01_sfnt_off000114c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114C1 | 10356 bytes |
SHA-256: 474869a50e995599eba654cda6978f769917e14234a2b9525d89ea1ed25aa7d1 |
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font_02_sfnt_off00012bfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BFA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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