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 links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly indicate a phishing or malware distribution scheme.
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://smidgel.ru/uplcv?utm_term=general+medical+practitioner+book+pdf PDF link annotation
- http://casadiriposomarsala.it/userfiles/files/30748209419.pdfIn PDF document text
- http://stphilomenaonline.org/userfiles/file/67448040299.pdfIn PDF document text
- http://fecirturizm.com/resimler/files/87729702715.pdfIn PDF document text
- http://tvkinter.com/file_media/file_image/file/60335783361.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16142ba8279e5f---xeguk.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d4113683c9---45307457498.pdfIn PDF document text
- http://picassogift.com/Uploadfiles/files/sopuwasenutapifet.pdfIn PDF document text
- http://diadiemvui.com/upload/files/15325783133.pdfIn PDF document text
- http://studiobonvino.com/userfiles/files/gajikisefod.pdfIn PDF document text
- http://emekyesiltepe.net/images_upload/files/neferebivikesavo.pdfIn PDF document text
- https://nedimgame.com/calisma2/files/uploads/sofenaxelik.pdfIn PDF document text
- http://geologicatoscana.eu/userfiles/files/dojolesibanejodes.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/7e3d1hsn20adq717lrl9uo5pq4/61306199990.pdfIn PDF document text
- https://cet.sk/res/file/4539886000.pdfIn PDF document text
- http://wxdyzs.com/userfiles/files/558405850.pdfIn PDF document text
- https://dongciao.com/uploads/files/202109131604198434.pdfIn PDF document text
- http://ceraunavoltapizzeria.it/userfiles/files/2253619769.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613a1a124811a---91547656772.pdfIn PDF document text
- http://jocoseatee.com/userfiles/files/56568590688.pdfIn PDF document text
- https://ietc-oman.saktoon.com/userfiles/files/30315753016.pdfIn PDF document text
- https://stayinbranson.com/ckfinder/triplebuserfiles/file/lotelinusogiba.pdfIn PDF document text
- http://17njl.com/userfiles/files/xadodudivazivefeduboke.pdfIn PDF document text
- https://uudanbury.life/files/file/rurixirowozawufuxe.pdfIn PDF document text
- http://polipack.ru/content/file/fademazemururul.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_off0000d193.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD193 | 19704 bytes |
SHA-256: 10b3aafb4ab1a69975f8f193b85cc87b4ff6e970334e808d80d842b662671a87 |
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font_01_sfnt_off00010597.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10597 | 10884 bytes |
SHA-256: c47274070e3d3bb7734f2d86b12a7a9c65c3a58e38b373d582c993cc234bb279 |
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font_02_sfnt_off00011e7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E7C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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