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 links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm or phishing lure. The PDF structure and embedded content are consistent with attempts to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://cmtoolsrental.com/user_img/files/wobaxevifedulazusitixov.pdf In PDF document text
- http://testsitehq.com/ckeditor-ckfinder-integration/uploads/files/tadedopazomibujit.pdfIn PDF document text
- http://jedzenie365.pl/ckfinder/userfiles/files/90429235600.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16134af8eda12f---kugaribazetuzugagus.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/636f5d209c031067d3220f1e99bb0a41/lomurutidedileni.pdfIn PDF document text
- https://autosaloncenter.com/uploads/file/56491427231.pdfIn PDF document text
- https://vialivonica.eu/userfiles/files/tabajopasaregapitefufitog.pdfIn PDF document text
- http://www.velkoobchod-man.eu/ckfinder/userfiles/files/sexevodumaruzibazawezin.pdfIn PDF document text
- https://ismart99.net/upload/files/6275263505.pdfIn PDF document text
- https://xtrafitcoaching.com/www/images/files/89231982459.pdfIn PDF document text
- http://brain-sh.tw/upload/file/18694009204.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16133680cbed4f---zezopixepagofamimide.pdfIn PDF document text
- http://vxclouds.com/userfiles/file/32527574802.pdfIn PDF document text
- http://utcsp2.rustyramone.com/uploads/files/91617774314.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/45340c310c8425fb84afbf45e58b7e00/43984475577.pdfIn PDF document text
- https://stef-nancy.fr/upload/document/48138666105.pdfIn PDF document text
- http://footstepfloor.com/upfiles/files/jojigupuzofulokud.pdfIn PDF document text
- http://chothuexehochiminh.com/userfiles/file/7566648149.pdfIn PDF document text
- http://emeat.ru/var/files/vugodumizikutugujeg.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9ad6d6e66---87546767447.pdfIn PDF document text
- http://girc.ncue.edu.tw/ckfinder/ckfiles/files/ranobojevefaxifibigowiwuk.pdfIn PDF document text
- http://stphilomenaonline.org/userfiles/file/rovetufepoferugor.pdfIn PDF document text
- https://vresponse.net/userfiles/file/14354358886.pdfIn PDF document text
- https://sanagustin.cl/files/faxutokidorevuragefat.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=whatsapp+new+messengerPDF 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_off0000dc9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC9D | 10520 bytes |
SHA-256: 8aacf15225329a370a409745c645212d7cf16fea65ac9f2ac38c0752405c6d13 |
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font_01_sfnt_off0000f46d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF46D | 17960 bytes |
SHA-256: 6c6c86615ff9183d3f8842776dfc9af902244c27a7a9e874502991603290a98c |
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font_02_sfnt_off0001229e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1229E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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