MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document functions as a link farm, containing numerous URLs pointing to compromised websites and disposable hosting, suggesting an intent to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/87358906589.pdf
- http://virtuozi.ru/sites/all/sites/virtuozi.ru/files/58362769014.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/rmrbep73froagf4smuo4meqqco/24127915333.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/2csl8v2b9bj9ta6q39534jfhis/korolenu.pdf
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/r3jm5j97r9iqnv3dd0bom5s8v7/gajezosejomugilosulamexin.pdf
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/vrs7st7gs5r30i3ffdp7m0t7al/rabafebemutuzadeb.pdf
- http://weiken-rc.com/upload/files/9761332793.pdf
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160966f7e37db5---zutesa.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/8c149a7266faf3181c9196619799fa6c/givaxonanokexadexofa.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/ebfe5917ceaa9f5bb228e70ba6d236a5/86456201033.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607afdd30614d---kedowitenitajiwemubadoz.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16099a9a236ee9---lifolalorutepir.pdf
- http://taxicityplus.ru/userfiles/file/58208428888.pdf
- http://seoulsquare.com/userfiles/file/gelakozavibepap.pdf
- https://tasleemdubai.com/userfiles/files/83246709378.pdf
- http://drukarnia-skawina.pl/app/webroot/media/files/rupanipo.pdf
- http://serdceprirody.ru/userfiles/file/84211847913.pdf
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609b528d5c254---70970829087.pdf
- http://ajisushionline.com/uploads/files/wimezeterupez.pdf
- https://shriayurvednagpur.org/public/ckfinder/userfiles/files/dimalorosisuvugu.pdf
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a91bee88a2e---50885480343.pdf
- https://orldoc.ch/wp-content/plugins/super-forms/uploads/php/files/f6lhpf8phatm3nhe5i7u0df2b5/1096709873.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a51df8313c---gekorunudutotuja.pdf
- http://palyavalaszto.hu/teszt/upload/file/97355832812.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=two+types+of+morality
- 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_off00014e52.binb98c3fea897c8b6265c7f7afc87353d4671478e82ee61d2c966e5ccb9550f9f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E52 | 17084 bytes |
font_01_sfnt_off00017a43.bin326f8103a93849a936fd100ee9cd2efddbef02b5f11d728853521ba05cd2afa2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17A43 | 10580 bytes |
font_02_sfnt_off00019292.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19292 | 16792 bytes |
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