MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm. The primary goal appears to be directing users to external malicious sites, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.5623
Heuristics 5
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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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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://yingzhaoliuart.com/upload/file/31104579936.pdf In PDF document text
- http://terezmisszio.eu/files/file/ridagofumalutizesir.pdfIn PDF document text
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/80b75354218df2a248e3553fd614e570/13538629543.pdfIn PDF document text
- https://namkhoasaigon.vn/web/images/files/66438343746.pdfIn PDF document text
- http://aucoindeshalles.fr/menu/file/gijotogagepimavunuj.pdfIn PDF document text
- https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/bf6fe2cde4494d4031e822e55fdc2b41/vuxexa.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085659525437---nagirolipogozejosox.pdfIn PDF document text
- https://seedomoretravel.com/files/files/zofib.pdfIn PDF document text
- http://whs1963.com/clients/7/75/758a827d59fb1c2827eec60421ffdc22/File/44291593925.pdfIn PDF document text
- http://malir-naterac.info/UserFiles/File/11256623486.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088ae4593651---teses.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c56015bb6ab---88619788355.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/161201cd48f87a---52226673733.pdfIn PDF document text
- http://hibertek.com/image/files/20210623_085539.pdfIn PDF document text
- http://danieldesignpro.com/userfiles/85260991218.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/4f65dc1e721cc7e3068920835723c469/38612850889.pdfIn PDF document text
- http://sweatrinserepeat.com/ckfinder/userfiles/files/givuzogaluxozug.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/360eb2f7765df2013d64799ed5580c81/92044970840.pdfIn PDF document text
- https://funbugs.ie/userfiles/file/nefimigogijejemoxi.pdfIn PDF document text
- http://c2r-auto.com/uploadfiles/file/2021071304532373499.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/0r8jkkrs2aqpqmm1nlh5o78v5g/78363635181.pdfIn PDF document text
- http://hitplus.eu/userfiles/file/sopumaloz.pdfIn PDF document text
- http://vistobrasil.net/uploads/file/48662914257.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1607abf1f24c28---78541903924.pdfIn PDF document text
- http://horizonpestservices.com/userfile/lefoponedita.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=here+comes+noddy+again+pdfPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d2b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2B9 | 18568 bytes |
SHA-256: 242283db2fdc48c3a04f1ed9cc2221ae839aed57c27298086e8ae0bf22643a5d |
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font_01_sfnt_off0001038a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1038A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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