MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious content. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution attempt, likely leveraging embedded JavaScript for redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9429
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://cfbadalona.net/ckdata/files/5012870177.pdf In PDF document text
- http://zoo-foto.cz/userfiles/file/23857267895.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/ee0b8af40836549ba9ccd4220ce37cf8/xukizepuwitapinom.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/89989765740.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ff79ab78b93---86223649155.pdfIn PDF document text
- http://songiadabinhphuoc.com/upload/ck/files/fubamadufositopivuxusu.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160e18a167e6bb---61986591657.pdfIn PDF document text
- https://ddshower.com/ckfinder/userfiles/files/mewutojomeganog.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/suq5h1drfbgl8kkkkf5kknept5/51709414998.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/9b37e2e9b9159edae86136b62cacd581/37790008426.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/75e90361d072d1c4b21e58572f8aed39/88788648225.pdfIn PDF document text
- https://miet.hu/kepek/kinexejuzirodogi.pdfIn PDF document text
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160970f4e7c6c4---wilulidegebukezovul.pdfIn PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/nujupul.pdfIn PDF document text
- https://devismesport.fr/userfiles/file/nanezujoti.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609d8cb473571---33535147197.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160f12d74d9041---74819720668.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/2ee0d0f01d3321136108ef77683add08/72069746329.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f8df770eb1---49605293346.pdfIn PDF document text
- http://margheritango.it/userfiles/file/7832363425.pdfIn PDF document text
- https://tecnibat.net/uploads/archivos/kininafolixunoxis.pdfIn PDF document text
- https://nwdglobal.com/ckfinder/userfiles/files/dexujigorujiduwov.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c6ad9632f---gowobifenu.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/p156hcfu8ou4rhhbp3t76vb6p4/jubipazozejexipowimikod.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/aiv6c5d6b9s7lmufg9l5f79t71/tulubuxogamazojuzabe.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=equal+opportunity+act+of+1964PDF 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_off0000e321.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE321 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB38 | 10984 bytes |
SHA-256: 7e9b2edc6eb19f9c70096b726c3a3b2206ada7820091c2f743ba9d8808984eb1 |
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