MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a PDF link farm pointing to compromised CMS uploads and disposable hosting, suggesting it's designed to redirect users to malicious sites. The embedded URLs, such as http://obrienbuilders.com/userfiles/file/68293327818.pdf, are key indicators of this redirection behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9945
Heuristics 6
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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 http://obrienbuilders.com/userfiles/file/68293327818.pdf In PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc81d67bbc---2161141094.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c65a5302410---96053638429.pdfIn PDF document text
- https://dancleland.com/img/upload/file/daxajugowawupe.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/4df794bacc3857a9b5590f97a4dcd0a7/61026261885.pdfIn PDF document text
- https://hmanagement.net/userfiles/file/81196468978.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/svq6ip2pbbvrv07q9a52kqi642/wenanukenazolivukagus.pdfIn PDF document text
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/76e7dcaccc6d7498f113b7f0d127ec90/68306997805.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/13368772887923997c251919d81078f7/71564122206.pdfIn PDF document text
- http://nsk-nalogov.net/upload/files/liviwagitikutakoguwil.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160b6d487351b1---zesaxipa.pdfIn PDF document text
- http://decom.pro/admin/ckfinder/userfiles/files/56990994532.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1606e0d41e862a---vunas.pdfIn PDF document text
- http://dichvuwebsites.com/media/ftp/file/24147812817.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160af5bc8c0c71---xedetalipokipazogup.pdfIn PDF document text
- https://pingthye.com/userfiles/files/49290457457.pdfIn PDF document text
- http://ed-web.cz/userfilesfile/matakeken.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160f6f504a56ba---xawedusodifoxopezul.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1db6ccdec---nipukulajebuvada.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f91fb65feb---97789112448.pdfIn PDF document text
- http://xedaptheduc.net/app/webroot/uploads/files/tivoxuniriwofetenod.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a6971552b8b---48690779063.pdfIn PDF document text
- https://liur-krd.ru/userfiles/file/lanefudivogolinozew.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/6c04eb1089b675fcfdc0834733eb0617/48908726915.pdfIn PDF document text
- https://global-brand.net/userfiles/files/81869323254.pdfIn PDF document text
- https://xn--mgbaf4adbs1bd2i.net/upload/ckfinder/files/ropul.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c56081c4aa6---memuwopoti.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=iyonik+bile%C5%9Fiklerin+adland%C4%B1r%C4%B1lmas%C4%B1na+%C3%B6rneklerPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000faf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAF3 | 11108 bytes |
SHA-256: 09a6ea33d61218fdc8e1e59dc5111e7381feb2e3fad0d1c0663b134569384f42 |
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font_01_sfnt_off000113f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113F0 | 19196 bytes |
SHA-256: 75e2cc7097754a3de6f55a87ffebc28cb2adbee988f88d0e5210631a31662ebd |
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font_02_sfnt_off00014370.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14370 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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