MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution campaign. The presence of embedded URLs and the nature of the heuristics strongly suggest this PDF is part of a spearphishing attack, likely attempting to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://cructi.ru/uplcv?utm_term=hr+project+report+on+training+and+development+pdf PDF link annotation
- https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/d2l2vn96mr0elnh0o5f9kkv35o/pibedimuxonefopaj.pdfIn PDF document text
- https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/zobalumogakerexotuvix.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2436f06647---13062042418.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160810fa631f75---musedamiketekaj.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/ac337fa22d4cb8804c7c64880c74d7d6/83129623702.pdfIn PDF document text
- http://shsclassof1959.com/clients/a/a7/a7a82b2a6025f7fafce5d77be70bf845/File/vujutaxiniponapoduv.pdfIn PDF document text
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/d3f6sj71p4rt13nsdmv8rc0gb6/55908105150.pdfIn PDF document text
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/19913203578.pdfIn PDF document text
- https://royal-art.pl/uploads/userfiles/files/45203180516.pdfIn PDF document text
- http://btc-ltd.com/upload/file/93139668828.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b99ac60e59f---31480393268.pdfIn PDF document text
- http://vtaky.sk/media/file/36132965594.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/da438a6cc80f0f1a54b41084945e7097/koxadamoluz.pdfIn PDF document text
- https://clubsportedinburgh.org/userfiles/files/54530406388.pdfIn PDF document text
- http://alpanelektrik.com/depo/sayfaresim/file/vizomi.pdfIn PDF document text
- http://sibinetweek.ru/userfiles/file/jojituxabovugoladuliva.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c950869db6d---karixekoriber.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160745f1a57213---vonupidopu.pdfIn PDF document text
- http://krzysztofmalec.pl/gfx/fck/file/62172479650.pdfIn PDF document text
- http://doktor-okonski.pl/uploadimg/file/36084732442.pdfIn PDF document text
- http://shsuorui.com/uploadfiles/fckeditor/20210702/file/16252389767927.pdfIn PDF document text
- https://agenciaboom.com/wp-content/plugins/super-forms/uploads/php/files/kaolrgb7slj0b2unqp3vv51094/31048718669.pdfIn PDF document text
- http://airsoft1.ro/files/file/kenosemisogesemuribo.pdfIn PDF document text
- https://trunglamdecor.com/uploads/userfiles/file/mazoposarub.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/879d5cdbad450fef180eb30e7773245b/56359552556.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_off0000e5f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5F3 | 10980 bytes |
SHA-256: b69598258309c2b2bf0755a8024b53f4028a5d60ba978b33e00bffd566197a48 |
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font_01_sfnt_off0000ff1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF1D | 16280 bytes |
SHA-256: e9c124d402c9d40a188e37f3c7dc5bec3d0b048bce5560f73adf48361d2e41d0 |
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font_02_sfnt_off00012907.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12907 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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