MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to distribute further malicious content or lead users to phishing sites. The presence of multiple PDF link farm heuristics reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://centrons.com/uploaded/file/6188343786111c3764b811.pdf In PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096e46821980---5133800530.pdfIn PDF document text
- http://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/57776213008.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160e6190d5d00d---61717882756.pdfIn PDF document text
- http://elite-nails.pl/Upload/file/70531948379.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ba8d0d9a828bf7762d90b2982d065f03/95631209330.pdfIn PDF document text
- http://colegiosantarosa.com/uploads/imagem/file/bebuludepegidiz.pdfIn PDF document text
- http://wuxihemei.com/ckfinder/userfiles/files/20210613_083831.pdfIn PDF document text
- https://spheresignal.com/app/webroot/userfiles/files/davize.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160913e5365598---ruxudeginuwurenugelifa.pdfIn PDF document text
- https://autotronics.vn/userfiles/file/22020456300.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cd9442531a8---23814488587.pdfIn PDF document text
- http://sobinco.cz/ckfinder/userfiles/files/26667761503.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608feff57fc3b---31765569271.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607aea644ef07---worawem.pdfIn PDF document text
- http://mwflower.com/upimagesfile///dovupawot.pdfIn PDF document text
- http://fmi.lu/userfiles/files/72278350659.pdfIn PDF document text
- http://www.prakashirrigation.com/uploads/fck/files/10925853339.pdfIn PDF document text
- http://abacusnancy.com/userfiles/file/56022396355.pdfIn PDF document text
- http://olech-rzeszow.pl/userfiles/file/pelipa.pdfIn PDF document text
- https://htlexpress.com/ckfinder/userfiles/files/xuxijolagirexuluxubuwixo.pdfIn PDF document text
- https://bawwabatrizq.com/userfiles/file/31856809453.pdfIn PDF document text
- http://ccsctda.com/ckfinder/userfiles/files/20210730_070701.pdfIn PDF document text
- http://itkaufmann.com/images/fckimages/file/43995016872.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b753d641378---85495955125.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=control+system+engineering+by+ramesh+babu+pdf+downloadPDF 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_off0000bd88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD88 | 15580 bytes |
SHA-256: d8b5f792eb373983fa3eecc72ec159522c506ce621361314f43740b788b3a140 |
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font_01_sfnt_off0000e53d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE53D | 11416 bytes |
SHA-256: d0b3593e6158658b71a76244fdb3020fb1b1c206f9ad0801a8d4715805466eab |
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font_02_sfnt_off0000ffaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFAF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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