MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or delivering malicious content. Heuristics indicate the PDF acts as a link farm, directing users to compromised WordPress upload storage and other disposable hosting sites. These sites host further PDF files, suggesting a multi-stage download or redirection process. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c3ab714d2---92446971429.pdf In PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a522132a6---genuguniduvotewe.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/50ae6822105e6851f52187e2e5580ae5/wenamebojineborisumov.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/61b76255541d59ae98d1f0eb8a9ec547/fanefinuno.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4c00683e7---30119770621.pdfIn PDF document text
- https://hzautomatisering.nl/userfiles/file/tukabavebuzukovogawuzalu.pdfIn PDF document text
- http://fly.no1-yes.com/userfiles/file/15285581206.pdfIn PDF document text
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/382bf9b5044ccbe48035bb0eb0fe5e48/wururebisovoxabixawuxajo.pdfIn PDF document text
- http://alphabodysupplements.com/newerac2c/userfiles/file/sefavafaje.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/venovozotixan.pdfIn PDF document text
- http://gpn1971.org/clients/a/a2/a25689677492d603657f1241a2a69ea8/File/48044149848.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d89d6a08837---pupijipakapojat.pdfIn PDF document text
- http://idroter.org/userfiles/files/67682830545.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/3f189jksanv6innfs0ttfl17k2/bibasitaniwaroxafumuta.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/d6d763742860f6fc1e89a085b0e98081/30324353148.pdfIn PDF document text
- http://sandsflooring.co.uk/ckfinder/userfiles/files/94472698865.pdfIn PDF document text
- http://mmbc.cz/_data/user_files/file/revidi.pdfIn PDF document text
- http://ugrctrani.it/userfiles/files/65368066.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/f05f52dfc0e4db8243ba45280e0c02a2/towagusotijej.pdfIn PDF document text
- http://goteneplast.se/files/images/file/tipuxo.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c13116085d2---bikinezoligigolekinib.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a840e191a51---12510689549.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+cook+and+glaze+a+spiral+hamPDF link annotation
- https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/9210846999.pdfIn 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://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_off00010127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10127 | 17344 bytes |
SHA-256: fc398340fac2504a5ab1387817399cb8db41652eda8504497505442160426faf |
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font_01_sfnt_off00012eb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EB0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000146c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146C7 | 11188 bytes |
SHA-256: 3ffe4d2e40534db82e156debe4a2c1e5304063f85944ffc0539d4b51b0501d49 |
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