MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF containing a link farm hosted on multiple compromised websites, as indicated by the 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The embedded URLs likely lead to malicious content or further malware downloads. ClamAV detection and ML classification strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b38fef00f7d---rirufizive.pdf In PDF document text
- https://vieclamday.com/userfiles/file/losifi.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609304b23e645---jezed.pdfIn PDF document text
- https://tw-itemaos.com/ckfinder/userfiles/files/tasutunivux.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ef5b1473b---kaxawajanudigitekowuso.pdfIn PDF document text
- https://pestresolution.pt/site/upload/file/39915719240.pdfIn PDF document text
- https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/542alsgq4kcf7jjtdoq4406uiv/nurokugekum.pdfIn PDF document text
- http://fandimnarodaku.cz/upload/file/31032914306.pdfIn PDF document text
- http://cz-synergy.cz/data/file/mukerotemenuliz.pdfIn PDF document text
- http://transportdiverse.com/uploads/files/xenozokis.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/c25turk3bq4jb92hfnh31lih15/bogiluzevepabefidax.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/161055bb13f4f5---8417829264.pdfIn PDF document text
- https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/383106a3631d44e4e1bdf1df3e253eec/zawoxuv.pdfIn PDF document text
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/s586ilviu80jqjeu15u3p2gq2k/sogujoxaxasilex.pdfIn PDF document text
- http://backyardreleaf.ca/clients/6/6a/6a4eaaf8452764cb6fc14c9064ed0c71/File/32716820661.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a7df08307bb---denuvawexevo.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16094249b46356---favenurerixerom.pdfIn PDF document text
- http://byty-pardubice.eu/UserFiles/File/5284946037.pdfIn PDF document text
- https://orldoc.ch/wp-content/plugins/super-forms/uploads/php/files/g8pu6bjonlakf02k2nurhrkgl3/defopisomuvifitaxubidevud.pdfIn PDF document text
- http://prosquash.by/data/lisimofomojiroxenuronovi.pdfIn PDF document text
- https://leo.tw/upload/ckeditor/files/59124054659.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/f78m73dnkvglkb6utp6io77ne7/76904089245.pdfIn PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/18lnm107396vf25dl9e40bo19s/siruvadut.pdfIn PDF document text
- http://susanirvine.com/clients/82887/File/74603253277.pdfIn PDF document text
- http://seoulsquare.com/userfiles/file/38613211511.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+find+where+fortnite+is+installedPDF 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_off0000db82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB82 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f394.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF394 | 17852 bytes |
SHA-256: 067a9280edf44feee848026c3cf4621c2f2133d6498c8b8b7a5a6b884f9fffac |
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font_02_sfnt_off00012153.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12153 | 10528 bytes |
SHA-256: 71c3156e0378dd71416a2c82511ce3b530b79c41ccca80c25c205f7c822f1a5d |
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