MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious by ML and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous links to compromised WordPress upload storage and disposable hosting, suggesting it is part of a link farm designed to distribute malware. The presence of a download button lure further supports the phishing or malware distribution objective.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://krisoc.ru/uplcv?utm_term=manhattan+gmat+books+2020+pdf+free+download PDF link annotation
- http://shethof.ch/cgi-bin/dynamisch/file/32141211250.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd557ca5c1---jejarelunukelik.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085459c23324---59274936156.pdfIn PDF document text
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb5e41e4e7---tizusetef.pdfIn PDF document text
- http://alimentosldm.com/userfiles/file/kokafikodusomiji.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607fae87681e1---xedewufalatabetuwefuzan.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a60935f346---52823992208.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba3ea8492fe---ledegalavufupavotupitutuk.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/cdee4f2ca5e84a3926302a9474d4b47a/malizuxovajosid.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16088ac44cb0f3---kunudobosevigipir.pdfIn PDF document text
- https://cottonweb.net/userfiles/file/pagotenawevod.pdfIn PDF document text
- https://agatanorek.com/files/file/litobemakalokabonekutofu.pdfIn PDF document text
- http://portalcom-b2b.es/img/user///file/_0047841001620177894.pdfIn PDF document text
- https://eravukappalpalli.com/userfiles/file/buxasajedafawifezifezi.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/e27114e321b6a6407bdc09f1f8110b68/29659700419.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/2e61a777b6e844da0d0a5ad5851a0f67/97272496663.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e389.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE389 | 6028 bytes |
SHA-256: 5d1713830b371559da0ff72224820f3b6c97749a12a13af1ef6003de34ec6c0e |
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font_01_sfnt_off0000f805.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF805 | 11620 bytes |
SHA-256: 48dc9618ca944c1d5822438b5aa20a0c9fdd0e8dabdc9701d159117880f92bff |
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