MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites hosting further PDF files. This suggests an attempt to distribute malicious content or lead users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a81afab3c83---51385744701.pdf In PDF document text
- http://sadiqandsons.com/userfiles/files/8784731399.pdfIn PDF document text
- http://dalnoboy.org/data/filestorage/upload/files/55917347842.pdfIn PDF document text
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/5a30bbf4d88fbac7e35e54df09801f32/87618242407.pdfIn PDF document text
- https://folklorebridge.eu/uploads/pictures/files/89477633985.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/e7nurn3eg8iiqpt653stv3hjb5/detivor.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/l8fktdfi9tc7lb54hf11v1oiok/fitenaseki.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7d66accd4---5322078337.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c2f43f3d1---65035300831.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/b0a2aa7482d89bc08a7e93f2cb5d52e6/tatixebotazitolajug.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/3a5b8da8e5c49e08397d5533e37c786d/93844390155.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/1adbdcd8889d4897eb29d6cba37d8330/81107590458.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/c6d81d8052b2bad2af984d15d1f997dd/70678403947.pdfIn PDF document text
- https://pirkitpadangas.lt/ckfinder/userfiles/files/7955076668.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0e1da1a80---zojujofa.pdfIn PDF document text
- https://acryl-bg.com/userfiles/file/fezuk.pdfIn PDF document text
- https://homestayhoian.vn/uploads/image/files/felolatexotit.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/2c2dedd59d370c1c9652f9aa76300402/95966214729.pdfIn PDF document text
- http://caratow.eu/userfiles/file/pekiwazepawimiwiropetaz.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/68ab545785c88a05ec76f5128d753220/39468097902.pdfIn PDF document text
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/e005bc27d2ea5fb4d7b030297fe13cb9/bajedoz.pdfIn PDF document text
- http://ats-dz.com/userfiles/file/bajaper.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/nvcd4jgfl6km0ab43e9u2vvg36/puwijeralalifewopil.pdfIn PDF document text
- http://www.moyekolodin.com/files/lodalitupajafipopi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=9th+old+bookPDF 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_off0000dc3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC3C | 9892 bytes |
SHA-256: d886b021b41b4c51f08aebf88d012a99d898b49c61fdc15d19d4a6bf36b8de6e |
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font_01_sfnt_off0000f221.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF221 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A33 | 17016 bytes |
SHA-256: ad02e583dd521805b87669273460d10ca1950cc76bb7255e23d26e84b19ef663 |
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