MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to compromised CMS upload directories, suggesting a phishing or redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs are indicative of a phishing lure, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/uqjio8q6sukafs61fe22vausq4/dubasanunavumigu.pdf In PDF document text
- http://ags-sib.ru/ckfinder/userfiles/files/safojifobujutodub.pdfIn PDF document text
- http://fszhenjia.com/upfolder/e/files/20210901105910.pdfIn PDF document text
- https://cubic.is/userfiles/file/kefefinogufajotebedif.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16139995683f8b---bedilopibawop.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/kcb6768pf9sj8caro7soo08257/dexezopodadomoxapikako.pdfIn PDF document text
- http://globalsublimation.net/uploadfile/files/55642880321.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/petularugiwikap.pdfIn PDF document text
- http://www.ecvbrass.ch/user/web/file/84080490248.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/743978e8c3850cdbb4a6f7f68da65fcd/debebetevorituvozisesub.pdfIn PDF document text
- http://sdtrafficticketlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/muzipogaxolexafiremaroti.pdfIn PDF document text
- https://listapp.in/ci/userfiles/files/vidadupi.pdfIn PDF document text
- http://7seapharmtech.com/Uploadfiles/files/3617218167.pdfIn PDF document text
- http://nhuaduongnhapkhauaz.info/upload/files/38152542154.pdfIn PDF document text
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/66550096298.pdfIn PDF document text
- http://agrobud.net/uploaded/file/banit.pdfIn PDF document text
- https://perfectsextherapy.com/public_html/userfiles/file/93428042883.pdfIn PDF document text
- http://globalfeedindustry.com/upload/files/fezofuwupiwerewuvege.pdfIn PDF document text
- http://sztarmedia.hu/_user/file/lonixel.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613afa4d24c62.pdfIn PDF document text
- http://ellenia3.eu/userfiles/files/vifatosikitanojibixule.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/45613663910.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=guitar+hero+3+for+androidPDF 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_off0000c565.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC565 | 16872 bytes |
SHA-256: 24ffcb83b4bb2ccc28ab1eb504dfffd231633a005a894fc4b4c926afbc4ea512 |
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font_01_sfnt_off0000f0f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10908 | 10548 bytes |
SHA-256: 89f5aa180dce86a7ae7e9fa79427868d6155ef62ade6e49a3cb72bdf817af73e |
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