MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated maliciousness. It contains a link farm pointing to multiple compromised WordPress sites, suggesting it is part of a phishing or malware distribution campaign. The presence of embedded URLs and the nature of the heuristics indicate a likely attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/u9vbidjjcanefq6o2f56q2k7pm/4873776301.pdf In PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3f2c9d0c3---72947666141.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0b94c71a1---lawibibozabore.pdfIn PDF document text
- http://oreade-breche.fr/userfiles/file/sinosam.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/6fe93fc155f8c002961266547978cd65/82903246012.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608351a0b83cc---39632192305.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3b053044e9---nareniwuzupotipuxeru.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/lidejivapuwozifine.pdfIn PDF document text
- http://famillespourstarlight.com/clients/a/a9/a9b42c05011d3bb27e7f7ec2ed30324f/File/67905663256.pdfIn PDF document text
- http://araonline.hu/uploads/file/75742302737.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbe44d4ab8---6715708975.pdfIn PDF document text
- https://ajwatravel.com/wheelmarine/userfiles/file/84342278836.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd45e17cb2---rosijegunimeneza.pdfIn PDF document text
- https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/5990a344dbdca5c19e2f2e6e3cbe1ed1/74160161890.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d81cf30d87---gunenatifodejonupivopu.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160742a4d96c13---lavipomexobirexexuto.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d28b8940a---84800798691.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/05f3216bf5c91521489e9d92481b26d4/gotarafakonefejapid.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/3509311749023aa62fd619359591d948/sozefufemibajekesusise.pdfIn PDF document text
- http://derma-dts.de/files/file/6835147737.pdfIn PDF document text
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/94c4e821419b0a2b45f445e07e71faa4/kexasos.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/embveap91hot7ksni4ecgo1slf/fabobolulagifiromevovu.pdfIn PDF document text
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/8ba237e828325fa1639df641604dcd9f/sulame.pdfIn PDF document text
- https://najlepsze-w-polsce.pl/uploads/jedisofexebako.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/0583126e162eb3c4fe84906c8e965887/wusinewodebus.pdfIn PDF document text
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/777ee6deabea1d303f035d9754f4d0da/30938798070.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=rational+number+is+a+real+numberPDF 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_off0000cd01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD01 | 18716 bytes |
SHA-256: 60fb0527e61b88df10a3ebe892da1ba0c32c1fc0dc7248808727baa9746b16b8 |
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font_01_sfnt_off0000feda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEDA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000116f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116F1 | 10552 bytes |
SHA-256: b32183a9c0bdd0df22090fa9721ccc605a04670390e2719b86f8096beb4afb28 |
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