MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous embedded URLs, many of which point to compromised CMS uploads or are part of a link farm on disposable hosting, suggesting an attempt to redirect users to malicious sites. The PDF structure and URL patterns are consistent with phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://cructi.ru/uplcv?utm_term=protection+order+form+pdf
- http://ecohort.com/userfiles/files/30930780815.pdf
- http://gorsilawfirm.com/userfiles/file/39941385119.pdf
- https://ilexgold.com/app/webroot/files/userfiles/files/98267651839.pdf
- https://monyetjoget.com/contents//files/8442312950.pdf
- http://chinocorporatechallenge.com/clients/6216/File/vuwalaruwuruvijox.pdf
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/e996ed1446e7fa6c54af83f42dffb04e/16765073651.pdf
- https://giverny-bkk.com/upload/files/limufesezekewa.pdf
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/3rh1n2uihbqvshs9e04ae2f7s7/93890968383.pdf
- http://otoozevran.com/resimler/files/38260986147.pdf
- http://bi-acaovo.com/upload/files/76131562793.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/136b422b16924e334f011d63ada818db/86673873672.pdf
- https://udruga-invalida.hr/files/lewijit.pdf
- https://areopag.ru/sites/default/files/uploads/juzinijujakemiweguvuvedil.pdf
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/d4dc907df1a930bc020d64c998435a20/49745830241.pdf
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/c282596b1ddf9735a49ac95f1a8eab8d/8519391219.pdf
- http://bugskin.org/userfiles/file/91089561461.pdf
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b4130ebd296---lokafuxibokutu.pdf
- http://getampedmag.com/ckfinder/userfiles/files/supuvinewivefo.pdf
- https://irepairplus.nl/app/webroot/files/userfiles/files/buvajisup.pdf
- http://saltokisport.com/uploads/files/sudobenepewuvuvo.pdf
- http://absolutelyneon.com/userfiles/file/59565232782.pdf
- https://mepho.hu/ckfinder/userfiles/files/gixelejotowo.pdf
- http://ecole.ru/text/images/file/zotabuvusapek.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/bj7mf0bhl6jgvi6ma6smtjhg2a/dumemonikewikibazerija.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_off0000b91d.bine0d5bacbe3a2718b3a2e535a80ebcc752f31d20ccc4fa4f4c0fe638463112475 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB91D | 10408 bytes |
font_01_sfnt_off0000d0a1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0A1 | 16792 bytes |
font_02_sfnt_off0000e8b3.binabc7eb2c2e1f1487fa050d9042ab275661023c0f1596cf6f2ca3dee1faa39975 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B3 | 16240 bytes |
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