MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded URLs, many of which point to compromised CMS uploads or disposable hosting. This behavior is indicative of a link farm designed to distribute malicious content or conduct phishing attacks. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://poltinka.ru/userfiles/file/nokikexeledumuwe.pdf In PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072bc0cdd921---67281227381.pdfIn PDF document text
- http://bradzo-ep.com/uploads/files/xuzabepafunezufutago.pdfIn PDF document text
- http://tungqibiotech.com/upfiles/editor/files/60673665784.pdfIn PDF document text
- http://www.malagatour.es/ckfinder/userfiles/files/81389995140.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160d65162950f5---wupaxarolupagafeloponut.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed140ab6631---polonilimixemokorupakisus.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16088f6cb5b1f5---93823703324.pdfIn PDF document text
- http://larrysiegellaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/94284445174.pdfIn PDF document text
- http://allaboutdowney.com/userimages/79395245402.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/b86adb64592900d8e2191c71c3e02d44/gupozirovekope.pdfIn PDF document text
- https://sedefartphotography.com/resimler/files/tuveze.pdfIn PDF document text
- http://goldartline.ua/userfiles/file/movavegifikuvatuno.pdfIn PDF document text
- https://rails-bg.com/fckeditorfiles/file/mepezegozo.pdfIn PDF document text
- http://alemotta.com/resources/original/file/85576499753.pdfIn PDF document text
- http://kibbkw.com/uploads/file/nazebozixit.pdfIn PDF document text
- http://agrion.org/upload/fichier/10708416673.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a15d503a450---nimukineze.pdfIn PDF document text
- http://studiosimonepantaleo.it/userfiles/files/65881619962.pdfIn PDF document text
- https://maxlinder.com/admin/assets/ckfinder/userfiles/files/lemopinufigi.pdfIn PDF document text
- https://skiclubraonbaccarat.fr/pdf/gawebebanibu.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/08ddc81a42c6fadf8e36120c791e2189/nuvakitalosuxexel.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=customizer+11000+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_off0000d760.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD760 | 18404 bytes |
SHA-256: 6e3ef39d96359a6a02a3d7738ef4fbe3932f17e7b8b40923e624ec428ed1a1da |
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font_01_sfnt_off00010746.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10746 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F5D | 10632 bytes |
SHA-256: b026a549924a1eb39bab5b94186c4539d495944a88b155ed8a74c57d05dad50f |
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