MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous external URIs, many of which point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious or phishing content. The presence of embedded URLs and the nature of the link farm indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://allytemp.ru/uplcv?utm_term=the+headman+was+a+woman+pdf PDF link annotation
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/2ok0tintbq5deuutpfb7pp453f/2777160134.pdfIn PDF document text
- http://mgrima.com/files/file/33697238634.pdfIn PDF document text
- http://birnagarcollege.in/userfiles/file/lalafivafosu.pdfIn PDF document text
- https://vrrc.heart.net.tw/ckfinder/ckfiles/files/71491802596.pdfIn PDF document text
- http://sbs-group.co/userfiles/files/mopomufarugowafozuwutuwiw.pdfIn PDF document text
- http://www.iuoelocal870.com/kaizen/ckfinder/userfiles/files/50207698097.pdfIn PDF document text
- https://scavilecis.it/userfiles/file/1630080429.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1613603b02dd0c---96623363228.pdfIn PDF document text
- http://cjmfgx.morefriendship.com/upload/files/gibogadururutozuloxojeje.pdfIn PDF document text
- http://wienbildarchiv.com/upload_files/files/mazumumafidabof.pdfIn PDF document text
- https://danielstrehlau.com/userfiles/file/lidas.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/dukubivug.pdfIn PDF document text
- http://woodlandhills.ilovepokebar.com/uploads/files/1844531966.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/05c71207e6903122d6c1505f991818f1/5868083263.pdfIn PDF document text
- http://piazzademarini3ge.com/userfiles/files/28004379331.pdfIn PDF document text
- http://mudrberanova.cz/userfiles/file/59182713727.pdfIn PDF document text
- http://noospc.ru/SITE/files/editor/file/95911603431.pdfIn PDF document text
- https://bedandbreakfastchia.it/userfiles/file/72195720288.pdfIn PDF document text
- http://flapboxes.com/userfiles/files/vafivik.pdfIn PDF document text
- https://shidoremicrosys.com/media/divek.pdfIn PDF document text
- http://pcccmiennam.com/media/ftp/file/mejodopisaxukufez.pdfIn PDF document text
- https://marugame.hk/editor_upload/file/44294980494.pdfIn PDF document text
- https://congthuonghotel.vn/app/webroot/files/images/pages/files/20082491582.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_off0000e188.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE188 | 16936 bytes |
SHA-256: dc922eed82e57e412e443e53c216bb0204c544eadd6c063cc355abae7e5ed76b |
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font_01_sfnt_off00010d72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D72 | 10476 bytes |
SHA-256: e198eb9bbf7080ec7b907103facbd846afc7f0792818e4f0b5681b51eccea64d |
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font_02_sfnt_off00012518.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12518 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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