MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document identified as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs pointing to various websites, some of which are hosted on compromised CMS upload directories. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicates a deliberate attempt to manipulate search engine results or distribute content via disposable hosting. While no scripts were explicitly extracted, the nature of the URLs and the 'compromised_cms_upload_link_farm' heuristic suggest a potential for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.8477
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://bptramptour.pl/files/file/buronavagagitodupapezop.pdf In PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160920d7ae4697---xiwomedenabidepaga.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/dd3d5ee0f0752d38b1da4e1ea4a92e5c/59330360604.pdfIn PDF document text
- http://elfuklid.cz/foto/Image/file/87425529631.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c36d6ca2d1b---61053649363.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a78098b3693---59956592538.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2136a1671---rapobivuxeso.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/db6c716d98e642b6cf7f67955a58f10e/47693780157.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/2505084704f1b39dbbe8fef16372050f/97592627814.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d63562bc0dd---60890336741.pdfIn PDF document text
- http://ratchee.com/ckfinder/userfiles/files/xatenugavexe.pdfIn PDF document text
- https://webupdate.ca/wp-content/plugins/super-forms/uploads/php/files/0o6tv9l2n3pki92dg2hduedquc/72302603569.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9b899554e---19218550921.pdfIn PDF document text
- http://shipsupply.ru/userfiles/files/84303472651.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/f9a1b923ac84e19bc70735cfc3f44cd8/duzapox.pdfIn PDF document text
- http://artpolinakuzina.ru/pict/file/65024048583.pdfIn PDF document text
- http://automotiveenergy.cz/userfiles/file/kusejafufasupediwi.pdfIn PDF document text
- http://cosmeticdermatologymiamibeach.com/uploads/data/files/28194230970.pdfIn PDF document text
- http://bdaudit.ro/userfiles/file/24877950069.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16073a92f45c63---gifutevilaxizen.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/c8mnopdv8mm9kq2208opno7g3t/53256281318.pdfIn PDF document text
- http://p-itos.net/admin/userfile/image/file/vuxagoxofiv.pdfIn PDF document text
- http://bydnjl.com/userfiles/files/dopepimusilukel.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=how+can+i+access+blocked+websites+without+vpnPDF 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_off0000f4d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4D2 | 10988 bytes |
SHA-256: 29548b88c11fe9c8d4ea54b2f8a9569da5e4cb82c21dbcc17734644ff19104ca |
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