MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports the assessment of a malicious link distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/9075695d2c6f5dc0e119c2c27836ebcb/simelavikuta.pdf
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/16096d591632fc---sazaredexunokakopifumi.pdf
- http://usaoxin.com/userfiles/2021-7/file/kadapivawujataje.pdf
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b3291985d34---fupitawelurivarojonux.pdf
- http://songhakbbq.com/uploads/files/xexowuratutiziku.pdf
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1606f29785be08---kanitokolesuvuxenuzeme.pdf
- https://broadcasthub.com/ci/userfiles/files/18903123791.pdf
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/decef862b003eebf3ee5ae70bf135578/wedasinusivi.pdf
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/91e65b901b5c829df18fc47b2d0ea3ae/16461224863.pdf
- http://pokorny-podlahy.cz/UserFiles/File/marabofoxovixeves.pdf
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/40fcb1427e3d6b53cd4b793d537de306/nolezu.pdf
- http://zulassungsservice4you.de/bilder/file/35681507245.pdf
- https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/1105127703.pdf
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/76946dbf27daf2822e3f249df80599ff/bizaragasum.pdf
- https://blokhol.com/upload/files/27245312976.pdf
- https://luxm.pl/userfiles/file/gebamuguvulumudaxixe.pdf
- https://koncnc.com/genelresimler/file/38507631189.pdf
- https://ipic.vn/userfiles/file/11032415608.pdf
- http://jarosi.hu/files/file/58847464586.pdf
- http://kruengrangthai.com/files/files/13348306572.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b185acc0d---wozuvatefeketexolepis.pdf
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/2bb8976199a3ffa280a76eecd7729b73/lamodowepobomo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=the+christmas+song+lyrics+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000beeb.bin0b65b3c750a621e4ddf3aa6cae70b5dfc84566640e9982d11dc0341f6a4f87eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEEB | 16796 bytes |
font_01_sfnt_off0000ea0c.bin1401c6dddd2037ebb2f4cace7697e497b9bb145857a2382ff9de17beb47661aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA0C | 11144 bytes |
font_02_sfnt_off000103c0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C0 | 16792 bytes |
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