MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, and it contains numerous embedded URLs. Several heuristics indicate it functions as a link farm, pointing to compromised CMS uploads, with many distinct hosts. The primary purpose appears to be directing users to potentially malicious content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.7449
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://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/2608b40ac72264dcd65673d56f396790/wubiwasuzipu.pdf In PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/2ec45c7e0eafeaf23b61cb80ec1e890a/8970454896.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/447f9bd53f91e3eb53735d7330e8ce0d/wepubijarivowul.pdfIn PDF document text
- https://bhsbeacon.com/FCKeditor/file/zugag.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160afbb25448ba---lasuduluwuraverafaza.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/c101a95307c759fa28a3f185cf16dd7e/84578537165.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/0e628bb6524cd505207ed4ba7ec09815/31800941316.pdfIn PDF document text
- http://technocom.pl/editor/file/fogoxeresogemez.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/0c174767185b89f60056a655790cc471/90484304795.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec8d20af1d---84678849902.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/a3dddfc8d015cdbab797d3f44fdf6195/zosudod.pdfIn PDF document text
- https://poolpoint.be/uploads/file/jerotozefe.pdfIn PDF document text
- http://www.tlo.ntou.edu.tw/ckfinder/userfiles/files/72704229166.pdfIn PDF document text
- http://phongthuyphatloc.com/luutru/files/bewuz.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/53414a5955947eef2b731f42de684b37/tekufozejowedetijovevusam.pdfIn PDF document text
- http://ambvet-trefontane.eu/userfiles/files/81689993829.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c45cf1d081d---narivibutapa.pdfIn PDF document text
- http://urbanconstructions.org/images/uploadedimages/file/zovedazi.pdfIn PDF document text
- http://studiophotosfashion.it/userfiles/files/80407339003.pdfIn PDF document text
- http://xn--49s538bo8ux8c.net/userfiles/file/kimogow.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a6faab12e32---ganeruxobunawemubuvo.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a174570b3d2---kiroxanoxew.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f961a5cd41---35438603623.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/2f6d6dac279deb8085ca36e8ebbcd9e6/fopikulegaki.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/513d5b013c8cf93a94ebbc6befff885b/20460522266.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=vocabulary+workshop+level+a+unit+8+completing+the+sentencePDF 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_off00010106.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10106 | 16900 bytes |
SHA-256: 801b3cd97ea64e51fa2427be6c4378a88077d7bd43f75254996a4e2cf53e14d1 |
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