MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous embedded URLs that point to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier also indicated a high probability of maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.5543
Heuristics 5
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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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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://humboldthighclassof79.com/clients/1/19/19f040aad945c40a0acbd79abd3dc6cb/File/68425526847.pdf In PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/dcbcf18c519bb5ce30834ec1f5f53f45/8670238537.pdfIn PDF document text
- http://metamorfoza-krosno.pl/userfiles/file/tefawivupaxenapufog.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/6ca46184f174d718219ae69697d44ed6/35980016279.pdfIn PDF document text
- http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070e91639fb9---12514943256.pdfIn PDF document text
- http://olimpic.hu/ckfinder/userfiles/files/91261558740.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/fosiw.pdfIn PDF document text
- http://bawaconstructions.com/editorData/file/12242866647.pdfIn PDF document text
- http://longarmquiltacademy.com/fckeditor/userfiles/file/81098829018.pdfIn PDF document text
- https://s-h.cc/uploads//files/202107312104355014.pdfIn PDF document text
- https://activepymes.com/pub/file/7175643292.pdfIn PDF document text
- http://livilgirls.com/files/lebinibunuzuwoko.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/9t3t0p9ljroj0envsmdlepq9s3/25071768648.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16120d4a9890e2---68616636459.pdfIn PDF document text
- http://sarica.com.tr/ckfinder/userfiles/files/kagegamodaruraxabepidok.pdfIn PDF document text
- http://gradn.ru/uploades/fckeditorfile/60156154694.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609093d909220---11677149049.pdfIn PDF document text
- http://jaatkinson.com/userimages/furuji.pdfIn PDF document text
- http://slenderclub.cz/ckfinder/userfiles/files/49862712815.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/3b500d5d781fc25912b4857e03569ef4/28779154447.pdfIn PDF document text
- http://a-swiss.com/upload/userfiles/file/42638430519.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/fbcf28341e935041cb61c2013728feaa/duwoduxeki.pdfIn PDF document text
- https://globalcareerclub.com/FCKeditor/userfiles/file/69099397130.pdfIn PDF document text
- https://cissud.com/uploads/ck_editor/files/24552131894.pdfIn PDF document text
- https://readandenjoy.ae/userfiles/files/kosegepor.pdfIn PDF document text
- https://stradatextiles.com/upload/ckfinder/files/68280398211.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=prensa+manual+para+hacer+tortillasPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b9e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9E6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d1f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1F8 | 16936 bytes |
SHA-256: 6965c526b57b02cf89288bdc055cb1a08361fa7d3388cc047561d2d0946f0f90 |
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