MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many pointing to compromised WordPress sites or disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely involving the execution of JavaScript to redirect the user to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://honmamon-s.com/img_seminar/userfiles/file/turowibejules.pdf In PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613569a8cf686---tizosumotipiwemironuk.pdfIn PDF document text
- http://hanilkwanla.com/uploads/files/80789617479.pdfIn PDF document text
- http://yotlist.com/uniformkontakt/userfiles/image/files/mituradebogadi.pdfIn PDF document text
- http://tzsunup.com/upload/vibinewogatuwige.pdfIn PDF document text
- https://pottoka.info/files/galeria/files/55615367929.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/ee9825ead47a231fe15f092d3a49b13d/77553390412.pdfIn PDF document text
- https://tndvn.com/js/ckfinder/userfiles/files/lagaramimux.pdfIn PDF document text
- https://taxfirma.com/userfiles/file/3756344865.pdfIn PDF document text
- https://madame-tina.com/ckfinder/userfiles/files/kefatixoma.pdfIn PDF document text
- http://wlpp.net/images/blog/file/5560144212.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/xefimururatutexapomegem.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1e8ccf6b8---81730796599.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/a966af4a1c1760b391ab2f1f5f5d2f9a/94222893625.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/161399505378ab---zejetimub.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613c633be16e4---84047029539.pdfIn PDF document text
- http://cnwt.mgo.cool/upfile/files/2021/09/02/juleguwunena.pdfIn PDF document text
- https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/69530419144.pdfIn PDF document text
- https://saint-florentin.charcutier-traiteur.fr/ckfinder/userfiles/files/78743574449.pdfIn PDF document text
- http://trivio.it/userfiles/files/41534070978.pdfIn PDF document text
- https://vasantviharproperties.com/userfiles/file/71028930669.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7a1eed493---32574887766.pdfIn PDF document text
- http://clearspace-design.com/CKEdit/upload/files/52177726527.pdfIn PDF document text
- http://w-w.cn/isee/pfm/cms/uploadfile/fck/file/28918776192.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=recuva+recovery+for+androidPDF 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_off0000dac2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAC2 | 10480 bytes |
SHA-256: b88dac6538c7ba3ed060159831c9fc77947d34490e0b2145c133557acb936fa2 |
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font_01_sfnt_off0000f2bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010acd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ACD | 17500 bytes |
SHA-256: da1700daed25a752b42578468f85202211ff221b3de41784154199090ec28981 |
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