MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and ML classifiers, indicating a high likelihood of malicious intent. It contains numerous embedded links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this, as these rules flag suspicious link farms designed to obscure malicious destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.6907
Heuristics 6
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://huntic.ru/uplcv?utm_term=best+site+for+cracked+android+apps PDF link annotation
- http://racecross.com/upload/edito_fckeditor/file/56238551969.pdfIn PDF document text
- http://bftt.marketsearching.com/upload/files/69493491034.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/6974af1f7c5fc37e6815a0a73cbc2759/49233819088.pdfIn PDF document text
- http://preciz.com/uploads/wysiwyg/files/83362286873.pdfIn PDF document text
- https://avigailpekelman.com/sites/default/files/file/zafavomosurisuxujanamako.pdfIn PDF document text
- https://shreegroupco.com/userfiles/file/xigazegurep.pdfIn PDF document text
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/c2374634cca4b3abca01a37ea77e50dc/93046123040.pdfIn PDF document text
- http://sushiosushi.com/uploads/files/jeverapifariberosanisobu.pdfIn PDF document text
- http://ahzgbh.news-read.com/upload/files/45936917731.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612ecf302b6c5---navikofunipusiwen.pdfIn PDF document text
- http://adaviestransportltd.com/userfiles/file/godedomibuvopemitemejig.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/kadesuzojuzisosikana.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/jfe8u2lbkg71h7ngldesuvtth6/27450004092.pdfIn PDF document text
- http://gardena.crazyrockinsushi.com/uploads/files/xewebotalixapogonef.pdfIn PDF document text
- http://bibliotekaszamocin.pl/img/upload/files/kenateturejawunelatosavok.pdfIn PDF document text
- https://lerivagedesmilleetangs.com/caningest/images/file/ralenurujafadobok.pdfIn PDF document text
- http://ji-tien.com/userfiles/file/72835585570.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/161480a5a8cac2---sugeveginesonuwike.pdfIn PDF document text
- https://thailonghoang.vn/upload/files/17230677379.pdfIn PDF document text
- https://www.douggoodkin.com/admin/ckfinder/userfiles/files/jadotos.pdfIn PDF document text
- https://worldpigment.com/image/upload/File/vetoruwenijavamalajude.pdfIn PDF document text
- http://vinhthuan.vn/upload/files/gufobajigabesilax.pdfIn PDF document text
- https://newsru.md/upload/userfiles/files/94984698653.pdfIn PDF document text
- http://poorclarescork.ie/images/bowijuj.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16130b434574e4---68614603887.pdfIn PDF document text
- 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_off0000b121.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB121 | 15340 bytes |
SHA-256: c73f80ca3e6fd5aed6bb7d4744a8973011400f401c4cca1a2579f69f38839e6f |
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font_01_sfnt_off0000d73e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD73E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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