MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which are hosted on compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of multiple external URIs and a link farm heuristic points to an attempt to lure users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
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://nomylo.ru/uplcv?utm_term=hide+gallery+apk PDF link annotation
- http://adirondackseafood.com/ckfinder/userfiles/files/zetogokofapuxajewelude.pdfIn PDF document text
- https://snowcat.pl/admin/ckfinder/userfiles/files/55280976701.pdfIn PDF document text
- http://nt-module.ru/ckfinder/userfiles/files/xulitapavogewibexeruwoxu.pdfIn PDF document text
- http://bloemenwinkelindex.nl/images/uploads/14068395567.pdfIn PDF document text
- https://xosobacninh.vn/webroot/img/files/tobolu.pdfIn PDF document text
- http://1-sanya.com/blog_images/blog_/file/56033351841.pdfIn PDF document text
- https://samajsutra.com/userfiles/files/jetuxepovejo.pdfIn PDF document text
- http://sushimura1.com/uploads/files/63182737976.pdfIn PDF document text
- http://caerulumpharma.com/upload/files/57806912586.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/161347700d68b2---75271470266.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/2383375569.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134caa8ea0ff---julevoru.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161339be06f973---40061475421.pdfIn PDF document text
- http://marleenjansen.nl/images/uploadfiles/97202454631.pdfIn PDF document text
- http://airfa.it/userfiles/file/sifuzube.pdfIn PDF document text
- http://budgettranslation.hu/sites/default/files/file/godapidaramubo.pdfIn PDF document text
- https://firmabudowlanawalczak.pl/web/uploads/files/duzopitufitovekofujazemu.pdfIn PDF document text
- http://jawarakreasi.com/file/47887919129.pdfIn PDF document text
- http://kartinatv.org/uploads/files/gigironefafogevanulitoxiz.pdfIn PDF document text
- http://caffepontoni.com/uploads/file/4273910979.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files/menerumewepizezukiza.pdfIn PDF document text
- http://chanhbon.vn/media/ftp/file/48512374241.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_off0000b677.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB677 | 10272 bytes |
SHA-256: bb0a644b4dd4958a39e8c285c0fba44839b8cd933469b884353638d46c05039a |
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font_01_sfnt_off0000cd64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD64 | 17632 bytes |
SHA-256: c47e66308ef65d03ba127bcf6d9b083e392e87b9afac003a580d58eef7c708f3 |
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font_02_sfnt_off0000fadb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFADB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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