MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or SEO manipulation scheme. The embedded URLs and the nature of the link farm point towards an attempt to redirect users to malicious or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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://bronia.org/userfiles/file/fuzutaw.pdf In PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160adb7f772edb---33103294967.pdfIn PDF document text
- https://mimpishio1.com/contents/files/ludired.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/2b1jdoprkbheafi2v6klef87j3/wofadopokewobasigiwava.pdfIn PDF document text
- https://cecprint.com/images/file/71462707919.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/f10df789048d6f6aaea949ca83735aab/58253356696.pdfIn PDF document text
- https://tempegaring.com/contents//files/79288702573.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/3a2ac3b975de3bb6a36eb5aaad2a6b57/diworanekerolep.pdfIn PDF document text
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160fbb1a79d331---sodaketasuwuzop.pdfIn PDF document text
- http://mesterek.net/tmp/2033596903.pdfIn PDF document text
- http://www.anaja-inter.org/public/file/favizedurififu.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085fe9c98c4c---xuzazarozojurozujole.pdfIn PDF document text
- http://smart-ventures.ch/upload/Editor_Images/files/3686490774.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16088a58e22244---93743634233.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bd262b8b0f8---gagepofazuwe.pdfIn PDF document text
- https://chetanaus.org/bheru/uploadfiles/file/97842097075.pdfIn PDF document text
- https://www.clinicaepilepsia.cl/ckfinder/userfiles/files/kinedagelababofeli.pdfIn PDF document text
- https://shidoremicrosys.com/media/divomonojanixipeleki.pdfIn PDF document text
- http://nsk-nalogov.net/upload/files/nefub.pdfIn PDF document text
- http://normel.org/files/upload/file/nazedipuxibivusajib.pdfIn PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/2098974834.pdfIn PDF document text
- http://openendrep.com/userfiles/files/bogiziwi.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/65f636dfdad1b1f17fbe96861dc403fe/89042943951.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/f1d87901640dc1fec0eb65fe5b1e75df/94811258541.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607291c3f2383---zogokuxame.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=ethics+notes+for+upsc+pdf+in+englishPDF 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_off0000bca8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCA8 | 17528 bytes |
SHA-256: 3dfbe28fc2fce5fc47a77fe58c23d5cc869e324cb92b9860184575902acb027b |
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font_01_sfnt_off0000ea00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA00 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010217.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10217 | 10820 bytes |
SHA-256: 26dca1467df1a9a1d5104a51e2a3c31bd2fa2d8f33a5373edc6a288c8edf5ec7 |
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