MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://classoft.ro/userfiles/file/xebilovikep.pdf In PDF document text
- http://www.scea.edu.mn/ckfinder/userfiles/files/pozanenigiziserevovuzi.pdfIn PDF document text
- http://huucodatlanh.com/userfiles/file/xipumoliwebolise.pdfIn PDF document text
- https://dichvuketoansg.com/luutru/files/93929707898.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d590dc417---69891021670.pdfIn PDF document text
- https://stoneappeal.in/FCKeditor/file/30843361422.pdfIn PDF document text
- http://phutungquanghieu.com/app/webroot/files/ckfinder/files/4045823990.pdfIn PDF document text
- https://cpsguffanti.it/uploads/file/jevejapopujeb.pdfIn PDF document text
- https://www.ventisilva.com.br/ckfinder/userfiles/files/67500116671.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f4b175fca---lajil.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138cefca6820---16840571009.pdfIn PDF document text
- http://quaint-house.com/images/blog/file/4404289184.pdfIn PDF document text
- https://repairbase.net/FCKeditor/editor/filemanager/connectors/php/images/file/99126559979.pdfIn PDF document text
- http://capitaloffice.pl/fotki/file/mugobubineg.pdfIn PDF document text
- http://l-max.ru/userfiles/file/97690764303.pdfIn PDF document text
- http://senvietsystem.com/ckeditor/upload/files/kijememugazupelikolawavut.pdfIn PDF document text
- https://study-abroad-travel.com/ckfinder/userfiles/file/32767338203.pdfIn PDF document text
- https://doctmcooper.com/userfiles/files/9707963964.pdfIn PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/7383477bbbf04878e02d59c593e82a45/xovunufizuwusuzef.pdfIn PDF document text
- http://hanyuchina.com/upload/files/popivesarumuxuwixa.pdfIn PDF document text
- https://buzascsaba.hu/userFiles/file/lokanebofi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=construct+2+export+to+apkPDF 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_off0000c977.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC977 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e18e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE18E | 10676 bytes |
SHA-256: 66fb950de88e6610a607927a8099d40b38906a520338f73b4be05529fb873634 |
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font_02_sfnt_off0000fa59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA59 | 17032 bytes |
SHA-256: 987d729df7fc8db3ca1c10386ef7832ae221ddeb04965e1517a677461908548b |
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