MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains a link farm pointing to numerous domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farm heuristics confirms the attempt to redirect users to potentially harmful content.
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://holidayservicemarsala.it/userfiles/files/pedawalamibofek.pdf In PDF document text
- http://scuderieverdina.it/scuderia/userfiles/file/44386122302.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a3410a7fe6d---6926369638.pdfIn PDF document text
- http://dinhviht.com/images/newtech/files/bigugizuzufowaxosurojasow.pdfIn PDF document text
- http://duancanhotot.com/upload/files/36216270283.pdfIn PDF document text
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/b1e22936a9dff31ab7fb1541b477f0f1/piwifimolikopetadev.pdfIn PDF document text
- http://maekalocal.com/Maeka/UserFiles/File/jawojidew.pdfIn PDF document text
- http://gesundezellen.de/neu/userfiles/file/19924026096.pdfIn PDF document text
- https://bor-diing.com/upload/files/nevisazolog.pdfIn PDF document text
- http://thankschicken.com/uploads/files/33865638869.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1608710e339a47---regisebonodakezutef.pdfIn PDF document text
- http://sjhrz.com/images/upload/File/wosarinevarapira.pdfIn PDF document text
- http://sungsam.net/userData/board/file/63521589449.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8d885bc5f---48393955640.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/1bc6d0e91de1c212b9a3603c273d42de/lasur.pdfIn PDF document text
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/16114dced2dc9a---14943757851.pdfIn PDF document text
- http://pro-group.ru/userfiles/file/12233127215.pdfIn PDF document text
- http://flexa.cz/docs/file/xufimekasexigoxate.pdfIn PDF document text
- http://caffepontoni.com/uploads/file/kirovubedebe.pdfIn PDF document text
- http://epodhajska.eu/UserFiles/File/jaredilisamekizizudo.pdfIn PDF document text
- http://xuanfe.com/uploads/FCKeditor/file/zemorotikuduxusofus.pdfIn PDF document text
- http://zcapitalcrm.com/app/webroot/uploads/files/zagufejokuvodubijexoxe.pdfIn PDF document text
- https://rajatotogroup2.com/contents//files/36997988871.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/38bcf5007e7cf7489cf9704d300a30d5/vefugo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=triumph+speed+triple+955i+owners+manualPDF 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_off0000b69a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB69A | 16108 bytes |
SHA-256: 3a21f36dc98a8264670dde89b9d8d4325b8cce0b186a582c1236c7e36491f0ba |
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font_01_sfnt_off0000dee3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEE3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f6fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6FA | 11108 bytes |
SHA-256: e9d06f26cc631fc41a3f13b0d25d2d7115dcbaf5d7ed42c8c5ed312be63b16ab |
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