MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous external URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the overall structure indicate an attempt to deliver a malicious payload or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://drafthe.ru/uplcv?utm_term=mechanical+assembly+drawings+pdf PDF link annotation
- http://lhsclassof1971.com/clients/74120/File/16240677603.pdfIn PDF document text
- http://wanyuantemple.tw/userfiles/file/63545712380.pdfIn PDF document text
- http://n2nlah.org/UserFiles/file/7687802205.pdfIn PDF document text
- http://acecaalcoy.com/userfiles/file/76997308895.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/11561092499.pdfIn PDF document text
- https://szekszardportal.hu/userfiles/file/newavekewodikezeli.pdfIn PDF document text
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/j7erjfisj3r07hafck4h30l204/96487349063.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/u310n8nadvvniostr6avbuhbg1/rilog.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbcc69dacf---lisibegasejitixi.pdfIn PDF document text
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084c1d7189d0---tidevopezis.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160889b9698a46---52396455271.pdfIn PDF document text
- http://salinahighschool1968.com/clients/3/33/33fcb9b832a528c934b1ac42c6b88a99/File/zalewox.pdfIn PDF document text
- http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/nesusojaputosewigot.pdfIn PDF document text
- http://sevimticaret.net/userfiles/file/raremufagakefuwibuj.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607295225c5b6---19573250975.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777985aa1ce---susimalexofijupesuniku.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aad492abde4---jajafawawewadezaw.pdfIn PDF document text
- https://medtek.vn/storage/file/17988952540.pdfIn PDF document text
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/fimine.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/ro6bvv2mqb0gapi0922fsec30k/bijifew.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd9c378d8b---28233240276.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb52dfc161f---rapukedusaxufo.pdfIn PDF document text
- http://capital96.com/userfiles/file/86761332140.pdfIn PDF document text
- https://nestaerospace.com/uploads/file/80572792376.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_off0000e442.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE442 | 11184 bytes |
SHA-256: 182bafca36438a27d290e8e2a7a515c0e3f005f0d670dae9d87e29575e72cf3c |
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font_01_sfnt_off0000fdc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDC4 | 16660 bytes |
SHA-256: 9d1286c27c2d7849fa87d7710ac5a3893bfbf9be80196e00eb4585467fbf3fcc |
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font_02_sfnt_off00012929.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12929 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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