MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or distributing further malware. The primary function appears to be redirecting users through a network of links, potentially for SEO abuse or to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://artpolyclinic.com/file/files/37465144227.pdf In PDF document text
- http://bbfederico2.net/userfiles/file/xoluka.pdfIn PDF document text
- http://dochoiotovn.com/uploads/userfiles/file/91606908439.pdfIn PDF document text
- http://papaicountrylodge-longstay.com/user_img/files/weremowegosepini.pdfIn PDF document text
- http://danchrisjewelry.com/userfiles/file/dufonilotud.pdfIn PDF document text
- https://radio-clipa.ro/userfiles/file/35328642870.pdfIn PDF document text
- http://churchtextile.com/userfiles/file/jamiwalalax.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/7p8i9cus8ficce6hpk5gjget53/tetezosur.pdfIn PDF document text
- http://druckmaschinenservice.com/uploads/fce/files/72497304269.pdfIn PDF document text
- http://www.ferm-matic.fr/upload/file/39685823185.pdfIn PDF document text
- http://autoscuolapezzano.it/userfiles/files/20993713103.pdfIn PDF document text
- https://elsadaulte.com/ckfinder/userfiles/files/vowon.pdfIn PDF document text
- http://dga.gr/ILC/img/file/logesasuwezasezako.pdfIn PDF document text
- https://miaousland.fr/ckfinder/userfiles/files/13940757913.pdfIn PDF document text
- http://commissioncollectionlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/ludelenaminadugukivakaz.pdfIn PDF document text
- http://www.espace-hotelier.com/ckfinder/userfiles/files/fimun.pdfIn PDF document text
- https://xn--p3t29jo1ed4o4xw.tw/upload/files/jabosuwogi.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/2su52tn2jjtcfc3upjfju43bb2/54754195265.pdfIn PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/shpearndf73cr2htn4v8mv19n8/962894393.pdfIn PDF document text
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/16140e6ddf2849---18582701191.pdfIn PDF document text
- https://www.shipgo17.com/plugin/ckeditor/ckfinder/userfiles/files/83168917908.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=sociologia+juridica+rafael+marquez+pi%C3%B1ero+pdfPDF 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_off0000cc37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC37 | 19440 bytes |
SHA-256: 2fefd69186bb4535b663da1d2562ccf63ec935709218552571c8716c63ddcfa6 |
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font_01_sfnt_off0000fd89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD89 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000115a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115A0 | 11312 bytes |
SHA-256: 210caa9af75b98d9169ec92cd2bdd87d36c7dc8705df761b269e3b7aca9b0b7f |
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