MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm with numerous URLs pointing to compromised CMS upload directories and disposable domains. This structure is indicative of a phishing or malware distribution campaign, aiming to lure users to malicious content. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://sxnqx.org/upload/file/Fl202109230501598829.pdf In PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/ktac4glpqv09tfoicntu4u2ds3/4751088987.pdfIn PDF document text
- http://soleilboo.com/images/uploads/files/vobojijimusagifig.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/ae070d9aeba1b2e382d2145a51e11a54/sorarivabawatubipizix.pdfIn PDF document text
- http://marmaraisg.com/images_upload/files/48485915388.pdfIn PDF document text
- http://nitexprofi.cz/userfiles/file/mesikebabesoxiz.pdfIn PDF document text
- https://auditorescr.com/ckfinder/userfiles/files/42192083758.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614656a82f6c7---gigubevu.pdfIn PDF document text
- http://vecsecity.info/editor_up/1760117901.pdfIn PDF document text
- http://paitoonbox.com/userfiles/files/5640130007.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/0040fd2f1d401f9bf4c43b537148ed5b/jomedaxowefetaxiperexizun.pdfIn PDF document text
- http://aircond.md/upload_fck/file/7154849854.pdfIn PDF document text
- http://wxhsbl.com/ckfinder/userfiles/files/20210916_180717.pdfIn PDF document text
- http://adamex.ukrkarta.ua/fckeditor/userfiles/file/derosufag.pdfIn PDF document text
- https://fruitssupplier.com/app/webroot/img/files/zogoga.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad0ac35b41---87776556502.pdfIn PDF document text
- http://heninrealty.com/userfiles/files/62454306235.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/3e88a34ceb2138938b80b05222927465/8934189571.pdfIn PDF document text
- https://batikatravels.com/userfiles/file/lofiwodakijogat.pdfIn PDF document text
- http://makesrealsense.com/ckfinder/userfiles/files/90410204278.pdfIn PDF document text
- http://stelmart.ru/userfiles/file/54942780080.pdfIn PDF document text
- http://tsrmvolontari.it/userfiles/files/gedibimubopopiwef.pdfIn PDF document text
- https://tekdalyapi.com/upload/ckfinder/files/mumerunivafuguluzazuwoj.pdfIn PDF document text
- https://kiofruits.com/admin/uploads/files/gozevewomaposo.pdfIn PDF document text
- http://htk2.altrodesign.eu/ckfinder/userfiles/files/tezovonilubafekamese.pdfIn PDF document text
- http://steakclubhn.com/campannas/file/86897540449.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=boruto+episode+193+freePDF 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_off0000fe3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE3B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011652.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11652 | 10724 bytes |
SHA-256: 007ed6f8ecdce4b7bb8b3f42ed6b5a101f3658cab36f0455abff759e71e301be |
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font_02_sfnt_off00012f27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F27 | 19152 bytes |
SHA-256: 822cd24efe2ecb43d7e44bd6fbdf9cba78a85d8c75e533a28e57fe55a6ede7ca |
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