MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users. The presence of embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/b2687d39a67c27907e581383f844d627/77257366083.pdf In PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f121e7595d---91924050899.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/74d75db94cf0b4cb4cd73b377b17853d/fubeta.pdfIn PDF document text
- https://bestcoloringpages.com/userfiles/file/29108937672.pdfIn PDF document text
- https://easybuildapp.com/files/uploaded/files/janenopudo.pdfIn PDF document text
- http://swissfun.tv/var/www/porn4me.ch/web/ckfinder/userfiles/files/piwixopavanetuwigowewoso.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bc02eaeea62---vorepodat.pdfIn PDF document text
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/8500f6de4b58fc279d253c1cd95b8a14/suwosezerafeg.pdfIn PDF document text
- https://www.webplease.it/wp-content/plugins/super-forms/uploads/php/files/f9ip2vfb53utgl2mcda8k0s3u8/kopuparomenilapi.pdfIn PDF document text
- https://rrr71.ru/upload_picture/bepivapapa.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/31daecda5dda3c49e047ef52e73bcdfc/86314114611.pdfIn PDF document text
- https://aletihad-group.com/userfiles/files/88697793508.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a369da33a66---xafimitaruvirunugobedikan.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160896b033f058---93228450735.pdfIn PDF document text
- http://20thhelicoptersquadronreunion.com/clients/71358/File/29973407820.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160899d57bbbfb---95418760875.pdfIn PDF document text
- http://bagumul.com/file_upload/spaw_upload/file/20210525081722.pdfIn PDF document text
- https://magatek.com/documents/file/29783298725.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16078e6739fb28---xivigeras.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/a875aff5b675611944c24cb2ddce8eb0/99824959717.pdfIn PDF document text
- http://location-venise.com/italie_documents/files/28119710777.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff8e283684---jakiv.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160744830eac68---sigawevun.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=real+life+problems+involving+quadratic+inequalitiesPDF 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_off0000db47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB47 | 11460 bytes |
SHA-256: 8f361eb3e2dcbb20b2dfd32154e7dfaf24eeb68d2450fba75e8b4de28a4f29cd |
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font_01_sfnt_off0000f5a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010db5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DB5 | 17512 bytes |
SHA-256: 29afdbd0cdefb4a5bc1e51ea4c819968458167f3c0ff80c43d0e75f16c35c8b3 |
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