MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs that point to other PDF files hosted on compromised websites or disposable hosting. The embedded URLs and the heuristic findings indicate a pattern of directing users to potentially malicious content, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 https://philabc.ru/uplcv?utm_term=plato+gorgias+hackett+pdf PDF link annotation
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3f0c5b7885---nanitutabifubajowa.pdfIn PDF document text
- https://avela.md/userfiles/file/ronun.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609313357ba89---gikagafi.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a57b32c279---petasejilefinemoneforuz.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607153ad8dedb---wozupezekirokif.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc0d8150c0e---selijugovonuru.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16076d25894acb---dejodudi.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/ok79v3h0h9epugbkuo7bepoen6/madekamawovigagokoze.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/vumakuv.pdfIn PDF document text
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/03ec9fab3bc314f8d810fc0fefb139d1/wupunoraxivununej.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/5fed8bc3d53b5862134cd542a0af5086/88462516203.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/1edee7f6dfc7d6b91287c0ef277c942a/daluxatobopemer.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/86ln9bf56cc3f84i4vdua8ihgj/pawipuzigowusofowul.pdfIn PDF document text
- https://beautyreviveshop.com/newerac2c/userfiles/file/guziwepapupimusib.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://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_off000100be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100BE | 5480 bytes |
SHA-256: 0b510ffbdd7d25ab63f906d427b6625f98658d423a4428441f8316919a220ec5 |
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font_01_sfnt_off00011368.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11368 | 12052 bytes |
SHA-256: bd16e3b2706fc97ec05f76dbfb3288fff7fdcd4349a4d5dc9e2b4e4dc38218f2 |
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