MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous external links, many pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm. The primary purpose appears to be directing users to potentially malicious or phishing websites, as evidenced by the URL structure and the 'link farm' heuristic firings.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://queure.ru/uplcv?utm_term=mba+corporate+finance+exam+questions+and+answers+pdf PDF link annotation
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160826386dcf56---zewaredikopetesog.pdfIn PDF document text
- http://norilskgu.ru/userfiles/file/lotowif.pdfIn PDF document text
- http://uforoi.com/app/webroot/uploads/files/vugurewokuz.pdfIn PDF document text
- http://agriturismoilnoceto.com/userfiles/files/jidekap.pdfIn PDF document text
- http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/tivaxazesegufakotu.pdfIn PDF document text
- http://clinical-pain.com/pds/userfiles/files/romuxusizazosukigi.pdfIn PDF document text
- http://gesht.ru/admin/ckfinder/userfiles/files/pijaga.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160af7ed4cf478---16768938587.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/hs00ggq6nt5j60ofa16j2mg2sc/webodinutamosekaxomepomut.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c518e45845b---31453185324.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/38a0a016e24d92bd95bc4820ecc99d4a/56159558604.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/9vp9tvvk13g5dgo1i4n4vv365p/wuwuxoleketeb.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/c220a7785905d36756523acc13a5cd0a/18139985084.pdfIn PDF document text
- https://dadrarad.ro/userfiles/file/xaporefi.pdfIn PDF document text
- http://millecolori.it/images/file/19479241659.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d0c284bca5b---nofivojobopepelisowetaf.pdfIn PDF document text
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/4e627104ae87a08086b5c706ec593925/tidusodojiwus.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075757088c24---zazuzulagawisajapokiwax.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b80b97439e1---87736313614.pdfIn PDF document text
- http://hopkinshigh1988.com/clients/75739/File/vudugewexaviviruzazejaf.pdfIn PDF document text
- http://scheiden-maassluis.nl/uploads//file/37988457088.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/1e6b751871a87062cb6dce712efbcfa8/64091872975.pdfIn PDF document text
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/9be3743e2a96114305e5a548f0c5bc5d/79141714047.pdfIn PDF document text
- http://nepodoshlo.kz/ckfinder/userfiles/files/fimuvobesorovovugemamariv.pdfIn PDF document text
- https://egca.fr/userfiles/file/meloxovowos.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1608532b51e025---sosinozajisi.pdfIn 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://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_off0000d8aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8AA | 17304 bytes |
SHA-256: faa9d7451092be9c710836e7080df64fa4e2be96dea9b29c447ae89a7eb90341 |
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font_01_sfnt_off000105f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F1 | 11300 bytes |
SHA-256: 29f45f63e9f2995c510dd37a66b4e43ada141d67b940560cdd758acdd6e69c39 |
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font_02_sfnt_off00012030.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12030 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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