MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and link farm patterns, suggesting it's designed to redirect users to potentially harmful websites. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this, indicating a tactic to obscure the true destination or leverage compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://huntic.ru/uplcv?utm_term=how+to+underline+text+in+pdf PDF link annotation
- https://boumqueur-edition.com/upload/fckeditor/file/82603648571.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/itoct93vh8b233befvdmlqij8j/sukofesumakegovepa.pdfIn PDF document text
- http://www.nomorcantikjoss.com/file/nelitodabido.pdfIn PDF document text
- http://a-kamen.com/userfiles/file/jowapakopuzego.pdfIn PDF document text
- http://imcborivali.org/userfiles/file/tutopasa.pdfIn PDF document text
- http://ibb-online.ru/f/file/xevefuwipesovalefeze.pdfIn PDF document text
- http://kozszemle.hu/uploads/files/wativodaselidi.pdfIn PDF document text
- http://fenotropil.ru/userfiles/file/wutinoporifuduxeb.pdfIn PDF document text
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0b09593ad0ea979a03d6d04ec425297d/88707396304.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f8f4736ea3---89023080461.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070bd0f5392d---reninuwifu.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607851d24b276---gemoxireguzokisijavumoz.pdfIn PDF document text
- http://findmealocalpainter.com/insurazon/admin/userfiles/file/27431583357.pdfIn PDF document text
- http://hungthanhauto.com/luutru/files/rozulafuwasewatogu.pdfIn PDF document text
- https://tenekedjieva.com/uploads/file/kenirifa.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/98bef3d5fec34267e09c243de8d38342/73648109743.pdfIn PDF document text
- http://meta-min.com/files/zifamexofutir.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160990b8fdd01e---50855056057.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_off0000dae0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAE0 | 10440 bytes |
SHA-256: e400f95bb26d07db97fef11bdc50992aaa73c52290b27634fcc48c669406c8a6 |
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font_01_sfnt_off0000f2a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2A0 | 17092 bytes |
SHA-256: 935c3b11180271bd9010bfba735d75090b5ec076c4fa53c0149b72c2f280a78d |
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font_02_sfnt_off00011f87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F87 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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