MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including ClamAV and an ML classifier. It contains a link farm pointing to compromised WordPress uploads and other disposable hosting, suggesting an attempt to distribute malicious content or conduct phishing. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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://digireg.org/upload/jugufimekoviluwivijabaw.pdf In PDF document text
- https://guijek.com/userfiles/file/97336864231.pdfIn PDF document text
- http://kanizsakran.hu/userfiles/file/62416351637.pdfIn PDF document text
- http://guanzhuli.com/userfiles/file/zajiguto.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160cba2f076a7c---11880766538.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086bd05ec3f2---38130579849.pdfIn PDF document text
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bfcdfabccf---lovapususegefobisubeto.pdfIn PDF document text
- https://sandzak.best/wp-content/plugins/super-forms/uploads/php/files/a266d0f9781cfbc7419d8a7aa6e81793/waxefozadevegakujataro.pdfIn PDF document text
- https://vishalahospitality.com/ckfinder/userfiles/files/86000532120.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b961f1bc460---72325271732.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075d19482f98---23370215642.pdfIn PDF document text
- http://rayer.cn/d/files/juxobapixes.pdfIn PDF document text
- https://trsoftyazilim.com/genelresimler/file/4129223869.pdfIn PDF document text
- https://canionglobal.com/FCKeditor/file/78423581899.pdfIn PDF document text
- http://divyabodhanam.org/userfiles/file/43415074628.pdfIn PDF document text
- http://abwingsbuffalo.com/uploads/files/47226413107.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/dcc901f854075ae446a6b48fefb60384/nefowazugugalevevig.pdfIn PDF document text
- http://cokhihoangvinh.com/uploads/userfiles/file/53889114357.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f60171f252---funumefegawazumek.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607037605076a---wuwitibotudo.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/klqlq6u8ei5i3m6lov98q8o0u3/82989345334.pdfIn PDF document text
- https://es21sys.com/userfiles/file/10463185143.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/rezudarixigen.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb70243dad9---sumedunusosuxokukulobire.pdfIn PDF document text
- http://hublihorse.com/uploads/userfiles/files/20268644341.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=indoor+substation+layout+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_off0000b386.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB386 | 10664 bytes |
SHA-256: 5ee6fb4c738d37ac04da28cdd9cdddbed0a50b7415e5f62d23ce298986848791 |
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font_01_sfnt_off0000cbd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBD7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e3e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E9 | 14212 bytes |
SHA-256: 3b7d5aeff67159863d009280044d9bcfef0ee70385f49f5a8d2048cd4a6bcbf6 |
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