MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan payload. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to distribute malicious content. No scripts were extracted, but the presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.6230
Heuristics 5
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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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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.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/ded5167e63bda550ff8ef67671c11419/18020897600.pdf In PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/80c493edd3aaab423931088080486e1f/67158342342.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2c8ef1097---1146110656.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/fcb09377a4ae491157cf0ce7779e664f/jawememavatujo.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/4f3826148f81e4afd7a49ab0f718aabd/luwer.pdfIn PDF document text
- https://yellowstonewildlife.com/58684210973.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608da260ba636---vodiloxivereme.pdfIn PDF document text
- https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/eeaco4bl9lkotbt1dougo5ren6/92702954498.pdfIn PDF document text
- http://project-st.ru/userfiles/file/xekedufatoduposorugefope.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5553fd3f19---pevumuzofiwozanenirar.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/aerqpj7um9548ghfjuvvtl9kai/51114940927.pdfIn PDF document text
- http://debden.org/userfiles/file/gimuxinebavobeselomofuvi.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/rll11959mvhj4o75tddrjadf8b/xuxalarewolaluwoxolig.pdfIn PDF document text
- https://wkd-uk.com/wp-content/plugins/super-forms/uploads/php/files/cadda17b9fdd11a312390b2cfb0316c1/47132098792.pdfIn PDF document text
- http://1960whs.com/clients/7/73/73384dfd0d582a2861cf356c55c3c578/File/77636878261.pdfIn PDF document text
- http://jaatkinson.com/userimages/14746949137.pdfIn PDF document text
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210607164608.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/79bbb42d2a62d0b40f2c7a4bf50be8cb/7687120146.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c850ccbbfbf---gudaderimuxejaruguw.pdfIn PDF document text
- https://hotel-la-licorne.fr/userfiles/file/67533474546.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/nozuzamuferifegafobigoti.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d84bc038c---25198432811.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dfa62ca7445---rorefalimudodobul.pdfIn PDF document text
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dcef33a759---nirinesix.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bc9c288b80f---81069004701.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/ihvpl63q00fv6fj52nm03gbpvs/29735905536.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=concordancia+verbal+e+nominal+exercicios+com+gabarito+pdfPDF 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_off0000ff3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF3D | 19452 bytes |
SHA-256: 8b7ed5f98f41f69dfe1cc4e830d98a81d2a44c2350a588f5a3eed7207d4c70e9 |
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