MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV, which identified it as a phishing trojan. The document functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories and other disposable hosting. These links likely serve as a distribution mechanism for further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.7260
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 https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/5f226c3584383a8f9ef144f9745b8bda/70535962338.pdf In PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a59d71cfb80---14091690386.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/d643558aa9ce66d0a4d4427c589690cf/jewologelafosipi.pdfIn PDF document text
- https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/2huu0t0d6b35d9uj5n082aa0mv/22843480972.pdfIn PDF document text
- http://wib24-admin.de/uploads/file/68933228154.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/369bea2e0f66ecb894e8f91558a30954/mebizolefejukirapala.pdfIn PDF document text
- http://glcore.net/ckfinder/userfiles/files/52238700364.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/12d6559d2593b847ef3a1cb5a71a8b88/53451723398.pdfIn PDF document text
- http://falegnameriacastiglione.it/userfiles/files/tomerigenori.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b40e04df260---99828290667.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/3cd307716bb88ad18303a91fcff0159d/82015693006.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5808960bb---99383717923.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160835e3566a00---xiwozajonaxozegika.pdfIn PDF document text
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/9160642af6ff8bf2d83f91022be10e3b/kigopoba.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5b1b8ac23---9450715050.pdfIn PDF document text
- http://abc-tel.ru/data/File/zegovamerojizul.pdfIn PDF document text
- http://kasargod.net/uploads/file/76233460416.pdfIn PDF document text
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2cc99f02a---paxegixujevegosez.pdfIn PDF document text
- http://apricomm.com/userData/board/file/liwineruzojigarixet.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ed558eda4---vurenaxaniw.pdfIn PDF document text
- https://stef-nancy.fr/upload/document/2800223995.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160876e9cdb3b5---41004118821.pdfIn PDF document text
- http://hzjksj.com/images/upload/File/xawaxalas.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/16084a057c4b5c---nuturuzurotejizivezemikan.pdfIn PDF document text
- https://liur-krd.ru/userfiles/file/titugawabuxub.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=%C3%A9valuation+nombres+relatifs+cinqui%C3%A8mePDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d06a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD06A | 11104 bytes |
SHA-256: 5be72493d31c63af5ac094e0fbb125759fbf23fb4b4a21fd894d6c31f98f4ca9 |
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