MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, with multiple heuristics indicating it's a link farm pointing to compromised WordPress sites and potentially disposable hosting. The embedded URLs suggest a phishing or malware distribution attempt, likely using a spearphishing attachment vector. No scripts were extracted, but the PDF structure and heuristics strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://oniceh.ru/uplcv?utm_term=zip+code+villamor+pasay+city PDF link annotation
- http://e-hematologica.com/users/file/86116093109.pdfIn PDF document text
- https://heritran.vn/uploads/news_file/lunasibimuvomofafujit.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/finisinozefepifud.pdfIn PDF document text
- http://scsytech.com/upload/files/fanatiligag.pdfIn PDF document text
- https://movingalpsfoundation.ch/userfiles/file/44733800255.pdfIn PDF document text
- https://museuminiaturesbesalu.com/files/42000955576.pdfIn PDF document text
- https://oreopay57.com/ckfinder/userfiles/files/74472970600.pdfIn PDF document text
- http://ddservice-bmw.pl/userfiles/file/39154265138.pdfIn PDF document text
- http://steakclubhn.com/campannas/file/vovuzoluxomimomasazapen.pdfIn PDF document text
- http://hanasushipickup.com/uploads/files/18020000447.pdfIn PDF document text
- https://cqc-material.com/app/webroot/userfiles/files/26821160884.pdfIn PDF document text
- http://www.gamylai.vn/uploads/files/sigaf.pdfIn PDF document text
- https://saatyapi.com/upload/ckfinder/files/44440004198.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/3aadd6c8d1ddfb971ec81db2c587e2ee/rapimagomibalexu.pdfIn PDF document text
- http://geriatriccarenewjersey.com/userfiles/files/zifepelafesuzaw.pdfIn PDF document text
- https://pottoka.info/files/galeria/files/77657691767.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/48794954913.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614643789199a---27727257192.pdfPDF link annotation
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/6padqp8essbiqu4c3p0o4pkl3h/vokijuvepedokowu.pdfIn PDF document text
- http://deepakbatteries.com/uploads/file/joritibojawenulu.pdfIn PDF document text
- http://magendans.com/imagefiles/file/xelojoraru.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16141a088aa767---19998617286.pdfIn PDF document text
- http://61kidsclub.com/userfiles/file/19043877660.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_off000107e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107E3 | 10712 bytes |
SHA-256: c70fc983918944c1bbb9f56f624de2271526e72a28ec1b958eedbd3b8ef2c68b |
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font_01_sfnt_off00012093.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12093 | 17952 bytes |
SHA-256: 70c74ab0ca05be0f6f5959aae247be0d908019f29e2c69789f8c39d3792add7a |
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font_02_sfnt_off00014f2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F2E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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