MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised CMS upload directories. This suggests the document is designed to act as a link farm, potentially leading users to phishing sites or malware downloads. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.primariasantana.ro/uploads/file/92695032755.pdf In PDF document text
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/38f96fc0b99b4ea20c7653f8cd7e5969/80950110547.pdfIn PDF document text
- https://clubelsendero.com/img_pag/file/vosadatewijofagobu.pdfIn PDF document text
- http://imhyuk.com/imhyukeditor/userfile/file/55985107319.pdfIn PDF document text
- http://ahkjt.com/upfile/file/10820963913.pdfIn PDF document text
- https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/mdhfdhp24dstdqes9j5cf64nc7/gewopegu.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16127508663b18---81748582128.pdfIn PDF document text
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/or770c38s05oqh11ist95qopdp/pevezulawepupofiniluv.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1608dec8cb4b03---konipikowevorajotokan.pdfIn PDF document text
- http://madiagranitosilano.it/userfiles/files/2727748812.pdfIn PDF document text
- http://geteffective.biz/uploadfiles/file/43029931030.pdfIn PDF document text
- https://erdemlerkoleji.com/resimler/files/vonudiwugajetoberavevus.pdfIn PDF document text
- http://richardarnoldalumni.com/clients/a/ad/ad1dcfa6f69ac51e3fe6bec18f6cf6d6/File/24223906236.pdfIn PDF document text
- http://teresachild.com/upload/files/gatagopeworezeg.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/e90a41fbba1c7bc7d60db86535900f6e/68468092253.pdfIn PDF document text
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1608d528ccffc3---63739567818.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/3e2k07g8557a07bg84hq6cjasd/76465951973.pdfIn PDF document text
- http://topas.lt/userfiles/file/rakizetewunujasub.pdfIn PDF document text
- https://vicentinacentroautomotivo.com.br/ckeditor/ckfinder/userfiles/files/92870643912.pdfIn PDF document text
- http://remont-elektro.eu/archiv/file/bevusisora.pdfIn PDF document text
- https://binarbaidrealestate.com/public_html/userfiles/file/45768627803.pdfIn PDF document text
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/47782eeaf2c60d00026a4c76f7fe7e45/39369455570.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c84fea0725e---lakowexupaxu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=north+america+political+map+blank+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_off0000da18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA18 | 10924 bytes |
SHA-256: bbd32ca48a7d9f1e4edb534bee5e96f4754cd04c96c47cc5a797dadaf2a7f092 |
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font_01_sfnt_off0000f2f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F1 | 17556 bytes |
SHA-256: 50a4ca8d88593bc900ba80ab9275a3af02d98a32154295253e9741c5d6c559ce |
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font_02_sfnt_off000120af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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