MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan distribution attempt. It contains numerous links to external PDFs hosted on compromised websites and disposable domains, suggesting a link farm designed to obscure the true malicious destination. The document body, though heavily obfuscated, contains metadata related to 'wkhtmltopdf' and a creation date, but no clear textual lure was extracted.
Machine Learning
- Nyx PDF Classifier malicious score 0.6689
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://nomylo.ru/uplcv?utm_term=new+success+with+buzzword+class+1+pdf+download PDF link annotation
- http://goergenpainting.com/clients/0/0d/0d1038892961fdbf96b6a8e7e8daca8f/File/dadagobajinu.pdfIn PDF document text
- http://npxbyy.com/wang3_3_10_27/Upload/Upload/file/202161672152661.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608058b1f140b---litawugusov.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/93cdf00119baf8ebed028aa440480e90/79465263495.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2addb78785---jajamimakifesusogenunifur.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/d22c8a523250153be124abe6e0ef9326/4304953658.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac3d277354c---bowajirikodezepabokowo.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/giginekesuberubokofifame.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608531ecf0654---80055630059.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c790fce609---3112757712.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/0bdcc0750c10a07e771389085aed72f7/rugatekuke.pdfIn PDF document text
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085ed99a2331---68625146178.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/dc91ce19783342367d42855840bcd267/fidufuzaxus.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160847891b2f2d---54657717368.pdfIn PDF document text
- https://dolmalatrek.com/userfiles/file/sixureli.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa884a661d6---34753144880.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082f0fbccbfc---vokepavep.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cee705d56c---87861490471.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000136c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136C9 | 5544 bytes |
SHA-256: 333954c82e58815e0e17ecc0550140637b75bb77a0023dc701f0f9576491939a |
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font_01_sfnt_off000149c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149C0 | 12512 bytes |
SHA-256: 3df8ca0b01349e47a6241cc9585ae26aa15b80a3f0ebddf5e23490c6d4fdc032 |
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