MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to potentially harmful content. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://europacreativaeuskadi.eu/files/galeria/files/nogekimezaxewamiralufetu.pdf In PDF document text
- http://rrarental.org/upload/file/59904820670.pdfIn PDF document text
- http://flyingfish-stay.com/userfiles/file/pokenagusutix.pdfIn PDF document text
- http://3asoft.vn/img/files/jodaxane.pdfIn PDF document text
- https://techielingo.com/fck_uploads/files/85815853392.pdfIn PDF document text
- http://firewheels.pe/userfiles/file/gajovevivapitawawofovi.pdfIn PDF document text
- http://print-resource.co.uk/ckfinder/userfiles/files/14623907463.pdfIn PDF document text
- http://heatexchangersolution.com/upload_fck/file/2021-9-2/20210902231209962786.pdfIn PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/333300701c198a2f496da6bc3b80ae47/ponaxelibabutixirajo.pdfIn PDF document text
- http://ibshop.gr/uploads/_uploads/files/roxifidil.pdfIn PDF document text
- http://citygclub.com/ckupload/files/leminexefagafujofeverumu.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb784023bf---14340218771.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/c94120cfbea482e5340fb740c575a115/pivejarutob.pdfIn PDF document text
- http://slmj8.com/data/userfiles/files/zowobisugulo.pdfIn PDF document text
- https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/24099244061.pdfIn PDF document text
- http://sostrevalli.it/userfiles/files/40745997611.pdfIn PDF document text
- http://xn----7sbndn5at.xn--p1ai/uploads/files/pegonetew.pdfIn PDF document text
- http://salespate.com/userfiles/file/36558017448.pdfIn PDF document text
- https://fptica.ru/images/file/wolebipip.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/tafik.pdfIn PDF document text
- https://braintreeclinics.com/app/webroot/img/files/64702901750.pdfIn PDF document text
- https://pieseautocomenzi.ro/userfiles/file/70912291372.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=samsung+galaxy+s4+mini+gt+i9195+usb+driverPDF 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_off0000eda5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA5 | 11500 bytes |
SHA-256: f6d6f01ede06d1d0c5760fef38108176dbcf10de4d9b180da6fbbb5bdb1019c7 |
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font_01_sfnt_off000108cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108CB | 17960 bytes |
SHA-256: 844ac2f3a35ef868e49e60c49d04945d260a3e9ca03989c19fa2962d7d6feebb |
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font_02_sfnt_off00013751.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13751 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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