MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to compromised websites, including WordPress uploads and disposable hosting, suggesting a link farm designed to redirect users. The presence of these links indicates an attempt to direct users to malicious content, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://catamma.ru/uplcv?utm_term=the+hcf+of+45+and+105+is+15+write+their+lcm PDF link annotation
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/13129a1bb7877c4409fb16e3d1f8b366/97616722242.pdfIn PDF document text
- http://xz-brand.com/ckfinder/userfiles/files/zepikotawexuzurusiwiwupe.pdfIn PDF document text
- https://www.bnbtravels.com/ckfinder/userfiles/files/zizezanakanab.pdfIn PDF document text
- https://dursunguney.com/userfiles/files/25617011269.pdfIn PDF document text
- http://porpora.group/imagenes/imagenes_contenidos///xuzabakaw.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/34e6d4905b9e60daaca774d968b7c315/timanirufolazemesubewopuj.pdfIn PDF document text
- https://radio-clipa.ro/userfiles/file/gavirad.pdfIn PDF document text
- https://limsurdua.com/contents/files/44179263174.pdfIn PDF document text
- https://global-product.org/CKEdit/upload/files/wiwavunuso.pdfIn PDF document text
- http://pecsimutargygaleria.hu/files/file/52042460996.pdfIn PDF document text
- https://www.puskinas.lt/ckfinder/userfiles/files/92250867667.pdfIn PDF document text
- http://urbanelect.com/userfiles/file/fodok.pdfIn PDF document text
- https://hongmao.tw/uploads/files/202109070056368027.pdfIn PDF document text
- https://alcoquimicos.com/ckfinder/userfiles/files/11611795807.pdfIn PDF document text
- https://www.baust.edu.bd/app/webroot/ckfinder/userfiles/files/39019644173.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16132b1aa261dd---fexujo.pdfIn PDF document text
- http://unseretochter.ch/images/file/4661957421.pdfIn PDF document text
- https://libertyrealestate.in/ckfinder/userfiles/files/84596774454.pdfIn PDF document text
- http://www.huescalamagiaenfotos.com/userfiles/files/veboxavegere.pdfIn PDF document text
- https://cambodiadriverservice.com/userfiles/file/wizavijaziluzupo.pdfIn PDF document text
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/8911386663ce60db63eded8c64bf0d42/77542937403.pdfIn PDF document text
- http://khaskhaan.mn/uploads/userfiles/files/83888956103.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_off0000b007.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB007 | 11176 bytes |
SHA-256: 941aa2b723ab4167f896a8e8c50d1ba2bf5ccdc80204f97ea173123d55ecd413 |
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font_01_sfnt_off0000ca26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA26 | 18876 bytes |
SHA-256: 1acb56f7ed0d759f8761dcd273a944ad085ff65c49fbc44ec47586a45d1db196 |
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font_02_sfnt_off0000fb30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB30 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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