MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs, many of which point to compromised or disposable hosting domains. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a pattern of using these sites to host or link to potentially malicious content. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious classification, suggesting the document is part of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.6414
Heuristics 6
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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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://atek-ent.com/upload/file/93527126980.pdf In PDF document text
- http://happy-land.hu/editor_up/2774423369.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e648746a231---81971531611.pdfIn PDF document text
- http://morgancountyoh.com/userimages/vanuvuj.pdfIn PDF document text
- http://ashole.hu/UserFiles/File/dopobadamoz.pdfIn PDF document text
- http://topstec.com/d/files/21453869793.pdfIn PDF document text
- https://dongcohonda.com/userfiles/file/66027350953.pdfIn PDF document text
- http://perles-del-beya.com/userfiles/file/11504838499.pdfIn PDF document text
- http://hosteleriayvending.com//ckfinder/userfiles/files/marufugitu.pdfIn PDF document text
- http://decom.pro/admin/ckfinder/userfiles/files/dobiwikizat.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/7gmfpv6qacj3h00phi7teroe4s/bagabuvu.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a45469148a---74139357094.pdfIn PDF document text
- https://olivier-daulte.com/ckfinder/userfiles/files/76257798873.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e0ef2ad76---4109940365.pdfIn PDF document text
- https://ngoctraithaibinhduong.com/uploads/news_file/kenot.pdfIn PDF document text
- https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/d97fd75e7c7803c3f93a490f960ec5a4/wemuwozesowolud.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed52b50e48---ridodowuneri.pdfIn PDF document text
- https://lixtech.com.tw/ckfinder/ckfiles/files/namefajigis.pdfIn PDF document text
- https://nutstudio.it/userfiles/file/10578225681.pdfIn PDF document text
- http://gekon.net/userfiles/file/13323148606.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/qfsarqgv3r5ubaflhg4llm341d/retafudurarowezom.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077d6b5aeac5---90230652312.pdfIn PDF document text
- https://tenfci.org/userfiles/file/42195922124.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=sunday+morning+piano+chords+pdfPDF link annotation
- 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_off0000d53d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD53D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED4F | 18148 bytes |
SHA-256: 4cb507f97cefcd04bdfc7517ade2b0a192a7b3c4ca4fde44e61a97bb1b81edf2 |
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font_02_sfnt_off00011c65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C65 | 11080 bytes |
SHA-256: 2ca838f1a8559db32228612c5261ef3e3b08cd932dac39447c09c5cb05f49737 |
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