MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, suggesting a phishing or redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://aspirans.com/files/file/26708404085.pdf In PDF document text
- https://multimetrics.com/ckfinder/userfiles/files/tenotinavirabozejenuzegi.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/zeditejurebusekexobakaj.pdfIn PDF document text
- https://www.colline-eternelle.com/ckfinder/userfiles/files/29335916373.pdfIn PDF document text
- https://sieuthimaycafe.vn/uploads/file/87479328577.pdfIn PDF document text
- http://chromavials.com/d/files/vulugomikamasiripiwubij.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/f5f419c740cab0d82770a943a53aa852/vomuwobisujenijov.pdfIn PDF document text
- https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/25150284473.pdfIn PDF document text
- http://qhzs88.com/admin/fckeditor_upfiles/file/2021090710155780554.pdfIn PDF document text
- https://behagi.eus/files/galeria/files/22338996552.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/7ad28b502ce05c5dbe8fdf0ea9e3e365/zesopanodoninetew.pdfIn PDF document text
- http://indagosrl.it/userfiles/files/44482724665.pdfIn PDF document text
- https://fortworthdental.net/cmsCart/upload/file/tuxilurodefiwibinokefim.pdfIn PDF document text
- https://mldom.xyz/web/img/podborky/files/30756803183.pdfIn PDF document text
- http://humanitool.ru/userfiles/file/lameditepuvafizifo.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/1521438243.pdfIn PDF document text
- http://jcbcharpentebois.com/ressource/site-image/files/zogovapifegusazira.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613796e5cccf2---vigujepoxebi.pdfIn PDF document text
- https://contabil-fiscal.ro/mm/file/39805676543.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16135e672bdfb6---86149258583.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=is+cell+wall+a+prokaryotic+or+eukaryoticPDF 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_off0000ba69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA69 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d280.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD280 | 10604 bytes |
SHA-256: 0dff5fe3e1004ce9e4af875117c8a3585af4e16a1ae70e98e3565015aca94cab |
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font_02_sfnt_off0000eaf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAF9 | 15848 bytes |
SHA-256: 3be972d41deabd495732044fb008482924d86d5df45fca058d45d3faf4ae46a3 |
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