MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly indicate an attempt to facilitate phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://cabsfromheathrow.com/userfiles/file/tovuxefogegejetatizigurux.pdf In PDF document text
- http://ajivikafinance.com/userfiles/file/ribogegativeb.pdfIn PDF document text
- http://cuatudongbinhduong.net/uploads/files/61403999499.pdfIn PDF document text
- https://vinaarc.com/app/webroot/files/ckfinder/userfiles/files/lotogilomuvikafiwuf.pdfIn PDF document text
- http://martonaroniskola.net/userfiles/file/66490476633.pdfIn PDF document text
- http://archetipoingegneria.it/userfiles/files/mujedevabuvejukotive.pdfIn PDF document text
- http://music-saikung.com/ckfinder/userfiles/files/99213026484.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160bc68d43ea94---66228107590.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6b146b383---71266040983.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dfb55c383b---navitewusatoje.pdfIn PDF document text
- http://uro-medical.pl/zdjecia/fotki/file/mokutak.pdfIn PDF document text
- http://zabradli-znerezu.cz/userfiles/file/nowarepukevujipibal.pdfIn PDF document text
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725277f4036---67889925386.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbe92706fb---32598503126.pdfIn PDF document text
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/soirldoqh514mlukumkpqduoe5/83717365088.pdfIn PDF document text
- http://vksraja.in/fckeditor/upload/file/bafij.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/3hebjpsekhtam1a131puns7ids/zenazaxapitab.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/2bcc5abbc1627ef940da3d4c9adb48ea/bodepemaxilavumoxo.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/24c97bf9a522b8c4b95226a7d269e301/nuwarobipelibofateri.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa15f06c4e8---ruxofujuwetuzikepoxof.pdfIn PDF document text
- http://pensionpoint.cz/userfiles/files/kaxibanobebaka.pdfIn PDF document text
- https://inunekocp.jp/mailmagazine/upload/files/rafutusadatisuvopeje.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa6978e550---16167920460.pdfIn PDF document text
- https://aprilboya.com/userfiles/file/45987607041.pdfIn PDF document text
- https://ive-cal.it/file/vubetebixisawodivarev.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=irobot+braava+380t+floor+mopping+robot+manualPDF 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_off0000e389.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE389 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB9B | 17752 bytes |
SHA-256: 196cad139fb2e4b72da1f260df6ffc414a2b2b160092bc353bc8361e485dae29 |
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font_02_sfnt_off00012980.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12980 | 11160 bytes |
SHA-256: de39c599dda892587d518dec936ca7767dc40a3d29bb1e6a44c4e1c3a0a94fb0 |
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