MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
T1204.002 Malicious Link
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs that form a link farm, directing users to potentially compromised or disposable hosting sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using non-clustered link farms on disposable hosting, suggesting a phishing or scam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://infrive.ru/uplcv?utm_term=how+long+do+rotisserie+chickens+last+in+the+fridge PDF link annotation
- https://dmshospital.com/mm_engg/files/17081688797.pdfIn PDF document text
- http://immopolignano.lu/images/bidoxegumonugeragoxiwuzux.pdfIn PDF document text
- http://wedding-box100.com/uploads/files/202109081509132415.pdfIn PDF document text
- http://worshipedia.net/sites/default/files/file/wowuziti.pdfIn PDF document text
- https://etadelloro.it/images/file/11264952404.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8ce1ed9e1---68724824679.pdfIn PDF document text
- https://daotaolaixesontay.com/uploads/file/xitolupulupupeziwog.pdfIn PDF document text
- https://al-wesam.com/userfiles/files/xexetalekum.pdfIn PDF document text
- http://frezerovka.by/images/fxeditor/file/14298561720.pdfIn PDF document text
- https://lesrimaudieres.com/images/uploads/file/jinanabitiniwavifa.pdfIn PDF document text
- http://chaodontuonglai.vn/uploads/ck_upload/files/78226451712.pdfIn PDF document text
- http://dtyxbpzx.com/filespath/files/20210926213246.pdfIn PDF document text
- http://immobilieninvestors.de/userfiles/file/1589872992.pdfIn PDF document text
- http://studiorinaldibedin.eu/userfiles/files/wetove.pdfIn PDF document text
- https://qwert5.com/psum/admin/userfiles/file/ragidopopovubexime.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16132603d8eb53---soleminazimodosajiga.pdfIn PDF document text
- http://tokstar.com/_UploadFile/Images/file/gepaxu.pdfIn PDF document text
- http://3t-t.com/User_File/UpFile/file/20210909101416_NzYzNDU5OTA5OTI=.pdfIn PDF document text
- https://itexpertdog.com/upload/files/japofad.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/sg8bqf277abdk5gkh0jj6ndo54/sogegiruvo.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/pirisurodupi.pdfIn PDF document text
- https://trinityautorepairs.com/uploads/files/57199294712.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/93664463927.pdfIn PDF document text
- http://fabrikando.com/cmsimple/images/file/favomojevezibitifeme.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_off0000b226.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB226 | 14692 bytes |
SHA-256: a016fc237a0b28da78e9a5703fa5e735c7c0d64ac4286596bc3ba7b070daff0e |
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font_01_sfnt_off0000d730.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD730 | 10924 bytes |
SHA-256: b7ca16887ee0fa0febab6c14003bb7d2d6e4f23e14c513af0c51aa9b04f94bca |
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font_02_sfnt_off0000f043.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF043 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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