MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links, many pointing to potentially compromised WordPress upload directories, suggesting a link farm designed to host or distribute malicious content. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://captainkillmite.com/uploads/files/202108180404258132.pdf In PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b0d3acc00fd---farufaxobemuji.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161077b746b91b---42945966308.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16118b6312a288---80696405091.pdfIn PDF document text
- http://mosme.org/uploadfile/files/25710533006.pdfIn PDF document text
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/0500a60bbe55e3a1363a942d051186b2/gakudilanubosu.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce421eed9b---noxifubigowamubofekaz.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/a2b60dd002ba6831e19fddb346a7886d/rotubarogasetuzesupago.pdfIn PDF document text
- http://wo-kop.pl/userfiles/file/pevugesumapojozabusajene.pdfIn PDF document text
- http://krajinar.cz/soubory/files/48743615412.pdfIn PDF document text
- http://tunglamgarden.com/images/fck/file/xefekagipavavutukakuzumev.pdfIn PDF document text
- https://raljob.com/userfiles/file/zetaxezup.pdfIn PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/9692ba62e757922ce217233470c33d2e/joneki.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/f3004fc8773e5f3ee6c270580810da8d/xujusazatiwurezexi.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/dth1bpsgdlk41ars7vku7dkt14/43007548671.pdfIn PDF document text
- http://hz-karavany.cz/ckfinder/userfiles/files/bupisenomomit.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16119bf069f9b3---91806326195.pdfIn PDF document text
- http://cdkkck.com/uploadfile/file/20210704182919.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/161111874e4728---54410142749.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/bha58o2qs22nm0qqgj88vbaqrp/xorira.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a4bb171be56---roxuvikenisavolupuzud.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2ab69093b---97323931502.pdfIn PDF document text
- https://taiwancy.com/app/webroot/userfiles/files/wiwelufen.pdfIn PDF document text
- https://jaurrieta.net/USERFILES_JAURRIETA/files/dalovaz.pdfIn PDF document text
- https://hoatuoi360.vn/uploads/files/87158178206.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=glaukoma+sudut+terbuka+primer+pdfPDF 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_off0000e734.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE734 | 10928 bytes |
SHA-256: 67174f9dc4684ab5487c37ba9695aa8a6915b15110628a2970dc24a057b68069 |
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font_01_sfnt_off0001005b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1005B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001186d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1186D | 18872 bytes |
SHA-256: 2bfb41032c7283b8c222e41faaf0a47c849e869f7f524115243ff522ec48b9c8 |
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