MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on disposable domains or appear to be compromised CMS uploads, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports a phishing or malware distribution lure. ClamAV detection as 'Pdf.Phishing.Trojan' confirms the malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 7
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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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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://surestegc.org/documentos/file/pewukulemalulefif.pdf In PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610756812af93---gebowofu.pdfIn PDF document text
- http://szzxwx.com/Upload/Upload/file/20216241225489014.pdfIn PDF document text
- https://alutat.com/data/file/9891337487.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/2vqg3iia76nqpr364rh3anv579/74188740671.pdfIn PDF document text
- https://fminterativa.net/cms/plugins/ckfinder/userfiles/files/9353723723.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099f9e0b01df---57784488776.pdfIn PDF document text
- https://electrodomesticaruano.com/images/ckfinder/files/75404763294.pdfIn PDF document text
- http://skipjackpoke.com/ckfinder/userfiles/files/gebor.pdfIn PDF document text
- http://faurerom.com/userfiles/file/lisaxaranosugem.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/5f4ab2c9abd18733e9c8778b9bb081ad/safiwikege.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/a33afe09ea7c1f250d31a8a4b0c4ba76/zusonufed.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6719d30de67001f75d0c2dfea36d3cd5/72341490363.pdfIn PDF document text
- http://1-cities.com/blog_images/blog_/file/98827313388.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/rexepegabitoj.pdfIn PDF document text
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/08c0c7bab1fdb8256bdc57427d93fe36/xuwufodubop.pdfIn PDF document text
- https://mimpiindahsatu.com/contents//files/sexirubofuporipofuteg.pdfIn PDF document text
- http://3sdent.com/upload/files/bamubogikeduxabafa.pdfIn PDF document text
- https://cualuoihoanmy.com/uploads/userfiles/file/xoribisiwenadajeve.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d359065f832---muxozofuwodavagab.pdfIn PDF document text
- http://www.ondebiz.com/userfiles//file/jazujijoxibajaworeb.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/51e56l4dh4rin67iji180nhvhh/91803503775.pdfIn PDF document text
- http://creativetechno.in/userfiles/file/gapumumimorefafobame.pdfIn PDF document text
- http://alexanderkanevskyartistbiography.com/clientMedia/file/93611152668.pdfIn PDF document text
- http://www.deewanalarab.com/up_imgs/9009460317.pdfIn PDF document text
- http://someteme.com/archivos/_20210623062956.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=heart+like+yours+is+my+desirePDF 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_off0000ca75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA75 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e287.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE287 | 19032 bytes |
SHA-256: f15690f397835ab8b7cecf1f20a49a4404f9001765bd5f5d3d00a7ca615ee26b |
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font_02_sfnt_off0001133b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1133B | 10604 bytes |
SHA-256: a991c8323d6d0a637032224d849e04688dfbd77f5dbc8fcc01e5f3b6a1b4292f |
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