MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document identified as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs pointing to compromised WordPress sites, suggesting a link farm designed to distribute malicious content or facilitate phishing. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.5802
Heuristics 5
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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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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.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0cc3887597---vomotajavuwe.pdf In PDF document text
- http://moestuinwebshop.nl/userfiles/file/tovazo.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160817f164b8e1---19993127331.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b6f9b2a81a---2140248133.pdfIn PDF document text
- http://julianowka.pl/ckfinder/userfiles/files/rirogipovavapanukosu.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/969b9532ff5a73444ecac5eae2d33a74/refozuf.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c4807ee7faf---radebuvujafevoro.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/3f47d024aaaa14f88dddd6e201ad4ed1/tuxiwidofez.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160862636eda8d---zawodopedu.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/7a3b465bd2c7ff23a0a4ed82ce5e6e19/funanumetedujibigi.pdfIn PDF document text
- http://nietegeleuve.nl/cms/files/matufikakesixaxuwu.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612c734d194b9---59604341199.pdfIn PDF document text
- https://postelezmasivu-olomouc.cz/ckfinder/userfiles/files/10649102588.pdfIn PDF document text
- https://alihuata.com/userfiles/file/72204168834.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/0d2bae51998fdf5e93e964cd5109d9da/83596238987.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6ef7cb9b0a576f10f053ebbc6975bffe/53339458604.pdfIn PDF document text
- http://tvsatkrosno.pl/userfiles/file/wirizoxitudimudonulezog.pdfIn PDF document text
- https://ckmusicdesign.nl/userfiles/file/fidoroneleponixeg.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e21027aaf3f---21111035689.pdfIn PDF document text
- https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/904838c4cde3510e2ccb12c506dcc958/66651462573.pdfIn PDF document text
- https://recrut.com/files/files/11410849134.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/ehdljh0j1jfc9ec8hgl0p6ir9g/87176272288.pdfIn PDF document text
- http://stonebreaker.at/vudotinuxu.pdfIn PDF document text
- http://0965818789.com/CKEdit/upload/files/47613622656.pdfIn PDF document text
- http://khocabien.com/uploads/files/bezuxofawo.pdfIn PDF document text
- https://seitonsolutions.com/ci/files/26688118800.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=waste+recycling+near+mePDF 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_off0000f40e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF40E | 10560 bytes |
SHA-256: 5901e077994bd111cc9d28c33dc6a110411ae4a85ad9ede19cf0940127c0ae09 |
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font_01_sfnt_off00010c26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C26 | 17764 bytes |
SHA-256: 60fdb32589a93b40263b0314a9b25c090c7491cefa0587a58c75d769c15862a4 |
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