MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress upload storage and other domains. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a pattern of using disposable hosting for these links, suggesting an attempt to obscure the final malicious destination. While no scripts were extracted, the structure and heuristics strongly suggest a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134aaa922a52---89799577664.pdf In PDF document text
- http://kozelskadm.ru/files/uploads/files/zefakasixilupa.pdfIn PDF document text
- http://awkontrakt.pl/ckfinder/userfiles/files/24938250043.pdfIn PDF document text
- http://vanhacollection.com/images/files/56537490641.pdfIn PDF document text
- https://www.domosystem.gr/ckfinder/userfiles/files/jawuzurulin.pdfIn PDF document text
- http://vijyaiprismcrm.com/userfiles/files/jajiwiziredopiput.pdfIn PDF document text
- http://uslugi-ogrodnicze.pl/pliki/File/32307930124.pdfIn PDF document text
- http://yey.uw52.com/upload/files/nadizodukisasisaresitanu.pdfIn PDF document text
- https://reha.bg/content/upload/file/27529645862.pdfIn PDF document text
- https://projekt-lesen.de/userfiles/file/84529791565.pdfIn PDF document text
- http://wirheiraten.de/images/file/86474461819.pdfIn PDF document text
- https://theshamrockpublecco.it/file/masomuzowexuzazovun.pdfIn PDF document text
- https://kueapem.com/contents/files/lemalezi.pdfIn PDF document text
- http://doctour.hu/uploads/ckfinder/userfiles/files/53243361489.pdfIn PDF document text
- https://jkmart.net/FCKFiles/File/57047520586.pdfIn PDF document text
- https://pottoka.info/files/galeria/files/17677179161.pdfIn PDF document text
- https://prokoncept.hu/admin/blogfck/image/file/67447097015.pdfIn PDF document text
- http://telekommarketing.com/firme_data/files/38672129109.pdfIn PDF document text
- https://cfi-registration.amyhalter.com/buzzboxgift/img/userfiles/files/42240240552.pdfIn PDF document text
- https://edgecs.com/documents/65679309920.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/b7c7b5fbf31bd7bcf73d3a2cefbb1f68/jumasozesufe.pdfIn PDF document text
- https://isleo.com/i_photos/file/mufuv.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/584240a6f89170ce647c8aa3ee37e2b6/39671071744.pdfIn PDF document text
- http://daehnfeldt.com/userfiles/file/mujilarudezimelunixis.pdfIn PDF document text
- https://v-rshine.com/upload/images/files/4877472331.pdfIn PDF document text
- http://violetstudio.in/userfiles/file/losavifokov.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=fabric+ui+componentsPDF 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_off0000c4b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dccb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCCB | 17716 bytes |
SHA-256: 62d7eab630f9f069d69f268b99716c655f56ee1e3f3f47648d3ecc50e6800f68 |
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font_02_sfnt_off00010bc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BC0 | 10708 bytes |
SHA-256: aa0daa6905922a1f963ef82481771ab69d5e9b64984726b7586b886793abd0ee |
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