MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs pointing to potentially compromised websites, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The embedded URLs are designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://academiapreprod.riportico.com/userfiles/files/wipapixanunit.pdf In PDF document text
- https://toliveinchristjesus.ceosale.catholic.edu.au/application/third_party/ckfinder/userfiles/files/xoxaga.pdfIn PDF document text
- http://xaydungphongphu.com/uploads/files/79956090882.pdfIn PDF document text
- http://labonscafe.com/userfiles/70594036911.pdfIn PDF document text
- http://longarmquiltacademy.net/fckeditor/userfiles/file/duvavugusarekotez.pdfIn PDF document text
- http://micruts.org/userfiles/file/95557484452.pdfIn PDF document text
- http://essentielles-theater.de/UserFiles/File/53024037237.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc662430f5---48280012831.pdfIn PDF document text
- http://ladyqueen.it/userfiles/files/dopajokumam.pdfIn PDF document text
- https://tonere.shop/app/webroot/files/userfiles/files/68513126210.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614465030f732---nosanodolikurow.pdfIn PDF document text
- http://jinshi66.com/uploadfiles/files/powupinutug.pdfIn PDF document text
- http://ruben.pl/ckfinder/userfiles/files/kenomovokuxiwikero.pdfIn PDF document text
- http://arebiatours.com/uploads/files/karilifivalawobut.pdfIn PDF document text
- https://glaskunstcentrum.nl/images/file/nowexew.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/16135748596bca---28316728842.pdfIn PDF document text
- http://e-district.org/userfiles/file/87684224518.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fbc6feb06b---8136156069.pdfIn PDF document text
- https://beautyyaurient.com/editor_upload/file/64070131812.pdfIn PDF document text
- http://masan315.net/board/imagefile/file/66789078410.pdfIn PDF document text
- https://nikunjfoundation.org/ckfinder/userfiles/files/boderape.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+rate+podcasts+on+androidPDF 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_off0000f0fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001090f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1090F | 16524 bytes |
SHA-256: 185e29c4802f0cc4627d93cb95cf7ed74f85f6f1d2d29f6f75edfc42b39fb9d3 |
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font_02_sfnt_off0001341a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1341A | 10536 bytes |
SHA-256: b4c2e180d2910093c67330415ad51c8096ae301c54e27a5109edea5c38989dea |
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