MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and compromised CMS upload links indicates an attempt to lead users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://ketchas.ru/uplcv?utm_term=h96+max+firmware PDF link annotation
- http://exito-opakowania.pl/userfiles/file/10832536892.pdfIn PDF document text
- http://pegastelco.com/pictures/files/42212224789.pdfIn PDF document text
- http://www.synagoge-stommeln.de/ckfinder/userfiles/files/tapadof.pdfIn PDF document text
- http://sartor.ru/upload/files/suzijonubimiximo.pdfIn PDF document text
- http://italy-ex.com/images/blog/file/ravuperumugu.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139454c2c4be---10814613003.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/0a4d53175f28e4fa1dc808fb76855fce/97397905214.pdfIn PDF document text
- http://as-eng.biz/userfiles/file/simefaxik.pdfIn PDF document text
- https://sunkamalzemecilik.com/userfiles/file/wuwadozezogimosi.pdfIn PDF document text
- http://xnucleus.com/members/member_images/files/88041498194.pdfIn PDF document text
- http://autodilygood.cz/files/file/gubarejujizosilifalop.pdfIn PDF document text
- http://mdbim.pl/ubezpiecz/obrazy/file/fuwotajew.pdfIn PDF document text
- http://ride.hu/images/uploads/files/dazurilinefavolulagavigu.pdfIn PDF document text
- http://www.otevrenysklep.cz/ckfinder/userfiles/files/tufuju.pdfIn PDF document text
- https://bunianco.com/other_files/File/93184187999.pdfIn PDF document text
- http://surausa.com/uploads/files/majatuset.pdfIn PDF document text
- https://lompatjauh.com/contents/files/70407481238.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/medinugadusetidusofixi.pdfIn PDF document text
- http://hairfibers24.com/upload/file/nurifezotidupolivugeje.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613664a81f22c---lofubeponagi.pdfIn PDF document text
- http://indianmailbox.com/assets/images/userfiles/files/79441299359.pdfIn PDF document text
- http://yummyschool.com/_UploadFile/Images/file/18113900850.pdfIn PDF document text
- http://fcraregistration.com/UploadedData/file/1309668328.pdfIn PDF document text
- https://himalayanespresso.com/espresso_ckfinder/userfiles/files/11262814934.pdfIn PDF document text
- 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_off0000cdca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDCA | 10352 bytes |
SHA-256: 349235213d5fe5580cab42c088e0e7cc24e574a7317c48ec2f39a0614e1a2103 |
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font_01_sfnt_off0000e52a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE52A | 18328 bytes |
SHA-256: 70683f46d8069884229cc796ffde3e9336b8b32b43d1e0926a8f5d80fb4a5003 |
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font_02_sfnt_off00011537.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11537 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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