MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous external URLs, many hosted on compromised CMS uploads or disposable domains, indicating a phishing or malware distribution attempt. ClamAV and ML classifiers strongly indicate maliciousness, and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic confirms the nature of the links. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://ausztriasi.spawellness.hu/upload/hirlevel/files/22822159807.pdf In PDF document text
- http://cn-junsheng.com/upload/file///202198194769386.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/161300cb909b43---94554254819.pdfIn PDF document text
- https://panificioilcavaliere.it/userfiles/files/65323767493.pdfIn PDF document text
- http://culfordequestriancentre.org/UserFiles/file/jekufefixazaridowep.pdfIn PDF document text
- http://beamstraffic.ae/amb/userfiles/file/felagedukegolanorazebew.pdfIn PDF document text
- http://artpolyclinic.com/file/files/mizimebelubumuvuvopije.pdfIn PDF document text
- http://ibrahimabuomira.com/ckeditor/ckfinder/userfiles/files/jibilafexetijen.pdfIn PDF document text
- http://vakoplus.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/mibavuluregolosarizewev.pdfIn PDF document text
- http://kahasat.cz/data/file/fikadilelixexuravafunami.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/59434976193.pdfIn PDF document text
- http://marisqueandopremios.com/campannas/file/tuperofufumazuwoperafelom.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613028cee83a8---71568307198.pdfIn PDF document text
- http://twsl.mingann.info/upload/ckfinder_temp/files/20210902215439.pdfIn PDF document text
- https://newtop-eg.com/userfiles/file/gomanipigub.pdfIn PDF document text
- http://medianet2000.net/amm_prod/image_news_popup/file/87934792293.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/88e06dd7351929c9e2558bc5b5dbbac6/3117809572.pdfIn PDF document text
- http://mirsistem.com/depo/sayfaresim/file/53663290022.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ceb02538a---50904387369.pdfIn PDF document text
- https://bharatceramics.in/ckfinder/userfiles/files/99780577305.pdfIn PDF document text
- https://network-italia.it/file/rafuvoneboki.pdfIn PDF document text
- https://aayams.com/userfiles/file/jijakobujoxomuwupafad.pdfIn PDF document text
- http://gdlejia.com/uploadfile/files/20210901_103856.pdfIn PDF document text
- http://flemingdecal.com/uploads/assets/file/vokogipadaji.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=vertex+form+of+the+equationPDF 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_off0000e0ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0AC | 10584 bytes |
SHA-256: 02dfe2ae43a3a9e1079bb00e8fd0513720928a6666c09da0d85a75819ad8de36 |
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font_01_sfnt_off0000f8aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000110bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110BC | 19188 bytes |
SHA-256: ecb69a05111fb2a88f200cadd90378610482914b6830aedb539cabac686bab17 |
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