MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm, with multiple URLs pointing to other PDF files hosted on various websites. Several of these URLs are hosted on compromised CMS platforms, indicating a potential phishing or redirection scheme. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://kengosushionlineorder.com/uploads/files/46459936639.pdf In PDF document text
- http://www.bash.cl/media/file/18353537844.pdfIn PDF document text
- http://around-sicily.net/userfiles/file/53613598431.pdfIn PDF document text
- http://myxroad.net/upload/userfiles/file///84453019531.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16140fd7ccb7dc---21643182524.pdfIn PDF document text
- https://bacninhonline.com/webroot/img/files/gexexopikoregesidafoka.pdfIn PDF document text
- http://wenxuezj.com/images/File/90247948599.pdfIn PDF document text
- http://portalcom-b2b.es/img/user//file/_0553560001631278899.pdfIn PDF document text
- https://mcq.bmtinhoc.vn/InteriorWeb/images/images_news/files/76705896437.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161413c20b7be6---9378299430.pdfIn PDF document text
- http://datong-travel.tw/upload/ckeditor/files/20210906105404.pdfIn PDF document text
- http://czytamzezrozumieniem.pl/userfiles/file/21319954998.pdfIn PDF document text
- https://ourlady-schools2.com/userfiles/files/laluvofanev.pdfIn PDF document text
- http://manhchenang.vn/webroot/img/files/dubiwumedabifexagewokexu.pdfIn PDF document text
- http://adacu.org/userfiles/file/20210910085320.pdfIn PDF document text
- http://denda.co.kr/ckfinder/userfiles/files/mivomefiwovubonosifap.pdfIn PDF document text
- https://www.bramfordgc.co.uk/ckfinder/userfiles/files/wopax.pdfIn PDF document text
- http://geologicatoscana.eu/userfiles/files/45393170734.pdfIn PDF document text
- http://depcip.com/app/views/panel/ckfinder/userfiles/files/16892254951.pdfIn PDF document text
- http://sabaispa.net/userfiles/file/kosetoxikezim.pdfIn PDF document text
- https://sinaia-vik.com/admin/fckeditor/editor/filemanager/connectors/php/file/94775335923.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/55dsj9u3ddelb4de5fau69em83/sakomexileropur.pdfIn PDF document text
- http://dolekkoyum.com/admin/UserFiles/file/mezagisozudakuni.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/161384b94795ed---baroritisukemavivelibe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=robot+unicorn+attack+metalPDF 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_off0000e121.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE121 | 18092 bytes |
SHA-256: dc39a89b991a84bdba75f60f6858d94f467e6bf3601470b37c44670c3fbba0a2 |
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font_01_sfnt_off00011070.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11070 | 10600 bytes |
SHA-256: bbaec636f9d5a907c8b022161dd61a709b9c1a4e3b8a2cc0e3a92085b1eb084a |
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font_02_sfnt_off000128a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128A9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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