MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The heuristics indicate the document contains a link farm pointing to compromised WordPress upload storage, suggesting a phishing or malware distribution lure. Although no scripts were explicitly extracted, the nature of the URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic suggest the document's primary function is to redirect users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a0780c9609---15514948962.pdf In PDF document text
- http://www.kickcommerce.com/userfiles/file/73674357268.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/161378ec469be3---dugomazugoxapawelivise.pdfIn PDF document text
- http://umrllc.com/userfiles/files/perukiwaz.pdfIn PDF document text
- http://partner-support.net/user_data/userfiles/files/7885268538.pdfIn PDF document text
- https://gbp.dropship-online.com/userfiles/files/mebejakowubesatagerepakup.pdfIn PDF document text
- https://www.sterlingsez.com/ckfinder/userfiles/files/89995525233.pdfIn PDF document text
- http://foodzipo.com/uploads/userfiles/files/niwuzawiwilonipavumo.pdfIn PDF document text
- http://lyzebrno.cz/userfiles/file/40557441666.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16135ae96be677---jawelibamid.pdfIn PDF document text
- http://metrominicabs.com/survey/userfiles/files/xelolanuziseboka.pdfIn PDF document text
- http://arqing.es/ckfinder/userfiles/files/rivudutem.pdfIn PDF document text
- https://hattshopping.com/admin/assets/images/ckfiles/51350681848.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/c09d4debdd25fa7ba24c56222d91b5df/nejebowogumajepofa.pdfIn PDF document text
- http://tries.cz/media/images/upload/file/90964098432.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613f4413bd885---81684032947.pdfIn PDF document text
- http://oikoscoccatoarchitettura.com/userfiles/files/magowufafavoviralobi.pdfIn PDF document text
- http://cosmoscm.com/contents/files/xilokaxudelumirebupozeva.pdfIn PDF document text
- http://patrick-vallot.com/upload/files/53889395976.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-3/20210903025158105197.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=check+android+phonePDF 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_off0000e2d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2D4 | 10424 bytes |
SHA-256: e3608936a1f21b3339b5252c667656a7c4efb4e2da28bf26124a547d1ad26c80 |
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font_01_sfnt_off0000fa58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA58 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001126a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1126A | 17768 bytes |
SHA-256: eb2afbd2da723e2eb44e14cd0fc4e853ca872e5794e5872c184e56a4bc46c10c |
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