MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV, indicating it is likely a phishing or malware distribution lure. The presence of numerous external links, many pointing to compromised or disposable hosting, strongly suggests a link farm designed to redirect users to malicious content. No scripts were extracted, but the overall structure and heuristic firings point to a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9914
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://vico-inmobiliaria.com/ckfinder/userfiles/files/43973463867.pdf In PDF document text
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/ea888b8e24360d8b7d6fe17372007eaf/15859006094.pdfIn PDF document text
- http://acupunctuuryao.nl/ckfinder/userfiles/files/28912436747.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ae12acecf---nevegugewunozakasafe.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/sadutifofoxafi.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/08da9a09efc4e2096168956c4768bdde/woxakijifoneramu.pdfIn PDF document text
- https://autoroman-service.ro/imagini_ws/28589162356.pdfIn PDF document text
- https://bikeid.net/ckfinder/userfiles/files/13357762503.pdfIn PDF document text
- http://www.serenissimaservizi.com//files/58740113110.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/4428d28edfa7ddae1a6eef2f9eb1bf1c/40260056503.pdfIn PDF document text
- http://showpalmedical.com/userfiles/pusuvuwedowefitogiwedex.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/flhlkvk72a2s8gv3enhbipmic2/wepabupesomope.pdfIn PDF document text
- http://aire-limpio.com/img/editor/file/tumelim.pdfIn PDF document text
- https://coluer.ir/documents/file/masuwuxin.pdfIn PDF document text
- https://fivetc.net/uploads/files/61926815048.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160885cff83e38---26997370753.pdfIn PDF document text
- http://le-bouquet.be/userfiles/files/5738076683.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/8el9imtqeuav0rmcgbpmgs0gh7/87312966277.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160c131200d825---61370240228.pdfIn PDF document text
- http://brkvinc.com/userfiles/file/32246776262.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8835e246d57062471e16b5f8964ed4f7/90309430167.pdfIn PDF document text
- http://popmetre.com/news/files/tatuxuvekuvix.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/6d17749609c9d13a4ef665e67e169071/64135141798.pdfIn PDF document text
- https://aneri12.cz/res/file/kurelufan.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160901af7a04ef---3885246287.pdfIn PDF document text
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/pavosvj9nb8s9fa0bik6spce20/podavi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=what+is+level+g+in+iready+elaPDF 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_off0000bd77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD77 | 10580 bytes |
SHA-256: 34a95bc14c5fc26d1bf3d53fd15ed6e7062b92a6f1924dfe660d1bf7cf7c90f9 |
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font_01_sfnt_off0000d55f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD55F | 16420 bytes |
SHA-256: c35bb53ad94bcf5be063d899207663e4900fa4b781f28995c86490ede1a25d34 |
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font_02_sfnt_off0000ffb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFB1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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