MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs, some of which are hosted on compromised CMS uploads or disposable domains. The presence of numerous PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings strongly suggests a phishing or malware distribution scheme.
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 http://lab4050.com/upload/editor/file/dubagesodan.pdf In PDF document text
- http://hferrynetworks.com/FileData/ckfinder/files/20210917_B7CE39A1C12EAEDF.pdfIn PDF document text
- https://www.opsclown.it/ckfinder/userfiles/files/kovamab.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613de181c932c---2172330517.pdfIn PDF document text
- http://faw-asia.com/image/upload/files/39875955854.pdfIn PDF document text
- https://orderpoet.com/ckfinder/userfiles/files/45625223187.pdfIn PDF document text
- http://drcleancenter.com/uploads/files/202109240448003924.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16156869441eb1---rikuwisurokunejejo.pdfIn PDF document text
- http://wawa757.com/uploads/files/fofakulowexapuwipelola.pdfIn PDF document text
- http://bradzo-ep.com/uploads/files/83440508183.pdfIn PDF document text
- http://urjabatteries.in/userfiles/file/xizixevovivekeloti.pdfIn PDF document text
- https://muacash.com/webroot/img/files/mopipafiverufanekusog.pdfIn PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/lndo99blusndrbsp72iv0r42bk/wefaliwi.pdfIn PDF document text
- http://thaimassageboy.com/ckfinder/userfiles/files/34998975552.pdfIn PDF document text
- http://dharmapuridiocese.com/svnprojects/DHD/Source/images/files/lejozilozebafuzusasulozig.pdfIn PDF document text
- http://lamekatus.com/uploads/ckeditor/files/fusevidigofa.pdfIn PDF document text
- https://mitrasuksesku.com/userfiles/file/86396474283.pdfIn PDF document text
- http://clair-environnement.eu/catalogue_dynamique/file/6726372143.pdfIn PDF document text
- http://naoshima-habitant.com/images/blog/file/vivumemarurajarekisaw.pdfIn PDF document text
- http://geometrabottero.it/userfiles/files/9979185979.pdfIn PDF document text
- http://olimpic.hu/ckfinder/userfiles/files/wavetegigaviriruduta.pdfIn PDF document text
- http://www.huescalamagiaenfotos.com/userfiles/files/jamakalotitemotorujel.pdfIn PDF document text
- http://birnagarcollege.in/userfiles/file/27563376184.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=no+puedo+entrar+en+play+store+androidPDF link annotation
- https://unimedbelem.com.br/painel_template/assets/global/plugins/ckfinder/userfilesfiles/fizelad.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_off0000b340.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB340 | 15884 bytes |
SHA-256: a7dd57471161a74868b3423a59b88931226600330ff13b94ad0ac25348af0814 |
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font_01_sfnt_off0000dc1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC1D | 10576 bytes |
SHA-256: 64bcea24236c64f82576d79431accb08187212c8d97c48689e01bb5f97a90a27 |
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font_02_sfnt_off0000f464.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF464 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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