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. The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or are part of a link farm on disposable hosting, suggesting an attempt to obscure the final destination and potentially distribute malware or conduct phishing. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132808017b77---joriwediz.pdf In PDF document text
- http://pegastelco.com/pictures/files/57401973471.pdfIn PDF document text
- http://www.emploi.nat.tn/ckeditor/ckfinder/userfiles/files/kofuwaxim.pdfIn PDF document text
- https://autohausnschmidt.de/userfiles/file/nidijupibumiriwimefesiruj.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a4478d329c---95764193257.pdfIn PDF document text
- https://abofahed.com/userfiles/file/zubepikediwazosufutut.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/xudisidotizobukaz.pdfIn PDF document text
- https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/70670209248.pdfIn PDF document text
- http://tearose-kitchen.com/sites/default/files/images/imcefile/nuvemezaruxorovuwatafosi.pdfIn PDF document text
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fariromatanoji.pdfIn PDF document text
- http://nuraski.pl/wsg/userfiles/92115232142.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16137acb6a4c0e---12998753405.pdfIn PDF document text
- http://cgmorenanews.com.br/ckfinder/userfiles/files/raselejitevawijulike.pdfIn PDF document text
- https://bangvetthuong.com/luutru/files/xegufukolusojimaxozofil.pdfIn PDF document text
- https://vanphongphampmc.com/upload/files/90486003956.pdfIn PDF document text
- http://rubivina.com/Images_upload/files/51702029116.pdfIn PDF document text
- http://portalcom-b2b.es/img/user//file/_0405672001631439935.pdfIn PDF document text
- https://portalbime.com/UploadedFiles/New/file/88799079677.pdfIn PDF document text
- https://luathoanghuy.com/uploads/files/mewurotajuma.pdfIn PDF document text
- http://werkschoenenverkoop.nl/images/docman/files/88524792964.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/161399482accc7---3152597096.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=this+that+these+those+pdf+worksheetsPDF 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_off0000bb7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB7F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d396.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD396 | 10588 bytes |
SHA-256: 49a42c8446bd4c1f45facb8cec41544a7bfd8936728a961ae03fa54c748c5cea |
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font_02_sfnt_off0000ebfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBFC | 16992 bytes |
SHA-256: 9f2692eafabd9124b8193be309d3187e235c6b929b9f744949e371fcd4b00661 |
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