MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farm heuristics strongly indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://inwebjor.ru/uplcv?utm_term=dream+league+soccer+2019+ios+hack PDF link annotation
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613dac7277b03---12276918332.pdfIn PDF document text
- https://alasclub.gr/neuro/ckfinder/userfiles/files/15318601307.pdfIn PDF document text
- http://studiocariola.com/userfiles/files/55403442776.pdfIn PDF document text
- http://gtlfuelmarine.com/userfiles/file/nujebiju.pdfIn PDF document text
- http://boschvietnam.com/files/usersfiles/files/79642806889.pdfIn PDF document text
- https://zaindu.drogomedia.com/files/galeria/files/13343729167.pdfIn PDF document text
- http://vantaidongsaigon.com/uploads/files/20816040070.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/lewux.pdfIn PDF document text
- https://dakhoathienhoa.net/images/files/lagat.pdfIn PDF document text
- http://gensugroup.com/upload/files/mafaxuverebuf.pdfIn PDF document text
- http://exteractif.fr/pictures/2/bifiw.pdfIn PDF document text
- https://hanakspotrebice.cz/eshop/ckfinder/userfiles/files/patevib.pdfIn PDF document text
- https://ratsimae.ee/media/contents/file/xuxadugito.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161456be7457a7---sinosepuguruv.pdfIn PDF document text
- http://personal.sut.ac.th/chantira/port/ckfinder/userfiles/files/nokaruruvukexed.pdfIn PDF document text
- https://atlantidegattico.it/file/refedoziseloxi.pdfIn PDF document text
- http://dakov.hu/_user/file/zimemifitufebonitutevu.pdfIn PDF document text
- https://www.suep.gr/ckfinder/userfiles/files/38805401044.pdfIn PDF document text
- http://investgeorgia.ge/userfiles/file/94479561676.pdfIn PDF document text
- http://alothongtin.com/upload/FCK/file/60687734242.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b276ad7c96---misanogutuvotadusavurek.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_off0000b5b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5B1 | 11132 bytes |
SHA-256: 6135c0bdd40100b35ca9f702f5c9d2f00366ef2a2dbafe3d3a268940d0ac8a27 |
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font_01_sfnt_off0000cfc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFC3 | 17840 bytes |
SHA-256: 2b1320d1e4958cf3ab6c393e449bbf437b09d651fcafd809c3587592c6f0ebb8 |
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font_02_sfnt_off0000fc3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC3D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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