MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many hosted on compromised CMS upload directories, suggesting a link farm designed to redirect users. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as a phishing trojan. The presence of multiple external URIs and link farm heuristics points towards an attempt to lure users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613a8000152d0---47254947663.pdf In PDF document text
- https://eventaipei.com/upload/files/26089147485.pdfIn PDF document text
- http://tourbusan.net/FileData/ckfinder/files/20210905_8E683363EB06E026.pdfIn PDF document text
- https://pepsima.biz/files/file/moxofidupidiruwosoka.pdfIn PDF document text
- http://bkht.vn/userfiles/file/buzilabonotakupalasaf.pdfIn PDF document text
- http://kmkonsult.cz/userfiles/file/falokezixefajidupaxamep.pdfIn PDF document text
- https://iphone-odklep.si/vsebina/94267792990.pdfIn PDF document text
- http://myatkinsonfamily.com/userimages/22355426501.pdfIn PDF document text
- https://svetplus.com/userfiles/files/zabesonumew.pdfIn PDF document text
- http://xmzhj.com/UserFiles/file/pozegufajiworademopilijav.pdfIn PDF document text
- http://www.aragonemprendedor.com/userfiles/files/78849126167.pdfIn PDF document text
- http://matras-devison.com/upload/file/pomifefawe.pdfIn PDF document text
- http://samurairamenbar.com/uploads/files/futusedex.pdfIn PDF document text
- http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/5998790058.pdfIn PDF document text
- http://fuhua.tumujike.com/assets/upload/files/202109041200005299.pdfIn PDF document text
- https://kingwaterpure.com/ckfinder/userfiles/files/pesixosatupajulifivib.pdfIn PDF document text
- http://aroma-es.site/yamituki-n/uploads/files/xodureto.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/vokugiwajokutari.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9a2c0e19e---rerilitexowepesun.pdfIn PDF document text
- http://crisismobile.com/ckfinder/userfiles/files/gotiraxotamogi.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139d60573e3a---12662625876.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=watch+bajirao+mastani+online+free+hdPDF 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_off0000c127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC127 | 18124 bytes |
SHA-256: a9f2e866c7d2a50b70a84583bf838f30243f542ac54c0a74b59a50eb9c6f8f31 |
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font_01_sfnt_off0000f01d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF01D | 11004 bytes |
SHA-256: 8bc03830ecabb19203619caa35cbcee07d3543b5f843d4faa553a2a7dae2aafa |
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font_02_sfnt_off00010981.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10981 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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