MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or conduct phishing. The presence of external URIs and link farms indicates a likely initial access vector via spearphishing attachment, leading to further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.6435
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://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16071bb623d5bd---75409871537.pdf In PDF document text
- http://clarklawtexas.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/duderamekibigetukopa.pdfIn PDF document text
- http://tetobox-budapest.hu/uploads/files/bejenomomodamixi.pdfIn PDF document text
- https://shiphangnhanh.net/uploads/image/files/galipijivi.pdfIn PDF document text
- http://scandirent-new.ru/uploads/assets/file/ruwafolubavosevasolane.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/05c17d27bced788092103738f15a550f/mazijumalinelapegatukel.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160989a77e5e16---ralafejotix.pdfIn PDF document text
- https://bamfieldrental.com/userfiles/file/73344953693.pdfIn PDF document text
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/3d57ad27fb1d459907899f2e69094fd8/fikogovemesixoguwejej.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092084f2a34d---zomuxuvorovesizup.pdfIn PDF document text
- https://congthuonghotel.vn/app/webroot/files/images/pages/files/fabuwimetenamejefumu.pdfIn PDF document text
- http://glina-master.ru/admin/ckfinder/userfiles/files/3375603794.pdfIn PDF document text
- http://iberryhomemade.com/userfiles/files/8126032068.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/01e7831a7cabf0ca4ceca1ec0e902f27/96228035812.pdfIn PDF document text
- http://fobas.cz/userfiles/file/79593599244.pdfIn PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d013c786fb6---voded.pdfIn PDF document text
- http://autohondl.cz/userfiles/file/retuvidazumekiv.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16098464f0d9e7---92114533412.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b8113645f2c---bivizife.pdfIn PDF document text
- http://say-international.eu/userfiles/file/matuv.pdfIn PDF document text
- http://nextgenship.net/upload/file/20210629162493545645.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160962830bf098---37091168763.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/48q6062loj8dmj6uf2k2n0qit0/83807882664.pdfIn PDF document text
- http://pijntherapie.be/uploads/files/69759752634.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/900d739bde860fbb2370e7878b820364/90358973497.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=steroid+injection+for+acnePDF link annotation
- 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_off0000f236.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF236 | 17180 bytes |
SHA-256: f7c0bed893cba17b403f1614686ce8fd69db8a26b2d104e23cd897a943fb5cb0 |
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font_01_sfnt_off00011ea9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EA9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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