MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It functions as a link farm, directing users to numerous unknown and potentially compromised websites. The presence of multiple 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' firings indicates a deliberate attempt to obscure the final malicious destination by using disposable or compromised hosting.
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://yasacompany.com/upload/files/tifusujigowek.pdf In PDF document text
- http://www.pattyn360.com/upload/forum/files/63171271097.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/f9d8081ed48defa121e612278134885c/nimijenafezo.pdfIn PDF document text
- http://opakowania-loga.pl/zdjecia/fotki/file/54184181177.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/2958f8a830f60821b7d11dc292d7dc5e/58598106209.pdfIn PDF document text
- http://gibisch.org/files/files/xipaj.pdfIn PDF document text
- http://ketnoikienthuc.com/upload/files/55002822629.pdfIn PDF document text
- http://vandervalk.reviews/app/webroot/files/userfiles/files/72023454302.pdfIn PDF document text
- http://makinsushi.com/uploads/files/salujutudajek.pdfIn PDF document text
- http://geoman.cz/data/file/jezepofutifunetezela.pdfIn PDF document text
- http://aimic.com/userfiles/file/jeserebuko.pdfIn PDF document text
- http://siltherm.com/ckfinder/userfiles/files/90632604954.pdfIn PDF document text
- https://pametnidom.hr/pametne_kuce/userfiles/file/32124416428.pdfIn PDF document text
- http://evaemlak.com/userfiles/file///19919284476.pdfIn PDF document text
- http://gzcil.com/uploadfile/files/65807176171.pdfIn PDF document text
- http://imdad-egypt.com/userfiles/file/94231327635.pdfIn PDF document text
- https://marsanz.pl/uploads/fck/file/22689288861.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16131d3a21c8d9---48640606536.pdfIn PDF document text
- https://muzpony.de/obrazki/file/85563212261.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/75cd15181d0a8df2697080105dfe7aa5/dukijawinagafisazakaraku.pdfIn PDF document text
- https://eurotig.ro/file/24298940493.pdfIn PDF document text
- http://tuvanthanhlapcongty.biz/upload/ck/files/zuxefajavelimarawiwarito.pdfIn PDF document text
- http://phantasos.org/userfiles/file/99669098447.pdfIn PDF document text
- https://lekkermooi.nl/userfiles/file/xiriselilizugam.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=download+android+for+iosPDF link annotation
- 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_off0000d6f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF02 | 16868 bytes |
SHA-256: 8e205d29c78da61e822c577cd0f0bea4f5ff0bb8005e22036851f8e957ef43f6 |
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font_02_sfnt_off00011a4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A4C | 10204 bytes |
SHA-256: 72f5651e4c29bb03730166d36aac8ab3f78c76d3090ca3b3e75c254c78a9cb3b |
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