MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or distributing further malware. No scripts were extracted, but the structure suggests a lure to external malicious resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://mavelikaradiocese.org/rapha/ckfinder/userfiles/files/gokif.pdf In PDF document text
- http://zdrowejaja.com/Upload/file/88292599112.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/denokuzadijovewosiwaj.pdfIn PDF document text
- http://hotelclinton.it/userfiles/files/17539946198.pdfIn PDF document text
- http://debten.net/UserFiles/File/puwozaxi.pdfIn PDF document text
- http://bratislava.topenglish.sk/app/webroot/gallery/files/80940795323.pdfIn PDF document text
- http://paillasse.hu/userfiles/file/gakerisajofivivego.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/161351dd68fe58---11460732472.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/c87eb231699eb0bbe86c349dbccf385e/85183364184.pdfIn PDF document text
- http://brenderup.ro/mm/file/guvarifutere.pdfIn PDF document text
- http://crosswaysrecruitment.com/userfiles/file/17539080371.pdfIn PDF document text
- https://www.truckersplantparts.co.uk/ckfinder/userfiles/files/44251599524.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/f77813850859e3b785e0374bb9367af6/rerusadosibaru.pdfIn PDF document text
- http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210909_654C3809CEEAAB2B.pdfIn PDF document text
- http://acutecardio.ru/sadm_files/xoxolevokove.pdfIn PDF document text
- http://somsit.com/ckfinder/userfiles/files/79060319105.pdfIn PDF document text
- http://mebelhotel.ru/userfiles/files/95306947138.pdfIn PDF document text
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613106844baf0---wumivuboninim.pdfIn PDF document text
- http://sangjeom.com/userfiles/file///xisurowi.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/8c10cbed76947d9941e160dab99a680b/85548396599.pdfIn PDF document text
- http://classicalgardenornaments.com/uplds/file/15833318212.pdfIn PDF document text
- https://www.utn.ac.cr/sites/default/files/files/retunawexuxap.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=t%C3%ACm+android+b%E1%BB%8B+m%E1%BA%A5tPDF 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_off0000b0f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0F4 | 16016 bytes |
SHA-256: 29d7950eadf070583988fc4e11eab107144828aab3080c8c4c3eeece5f430533 |
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font_01_sfnt_off0000d764.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD764 | 10576 bytes |
SHA-256: 1be0a837b23cdc73e9fa3ede7eaa8205c41768e40f03862ef078fb35ebc36189 |
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font_02_sfnt_off0000eedc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEDC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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