MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or redirecting users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of external links, suggesting a phishing or content-farming operation. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://businessdevelopmentcenter.pl/uploads/userfiles/files/4443860199.pdf In PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c477688edb---mudikodupabumimupeno.pdfIn PDF document text
- http://aorganboys.handyfriendship.com/upload/files/fokubikinegapipadidol.pdfIn PDF document text
- http://scard.vn/app/webroot/uploads/files/45814896847.pdfIn PDF document text
- https://nmg.lv/img/uploads/files/zefenubobirej.pdfIn PDF document text
- http://vektorma.ru/uploads/assets/file/jelez.pdfIn PDF document text
- http://ulsantour.com/FileData/ckfinder/files/20210909_2DD50E6DC67823D4.pdfIn PDF document text
- https://alistairmills.com/ckfinder/userfiles/files/47855105194.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/1369d789501379a0526a0eb7378406ab/vatama.pdfIn PDF document text
- https://eirai.org/editor/ckfinder/userfiles/files/77415907966.pdfIn PDF document text
- http://pradakshinam.com/fck_uploads/file/39252193309.pdfIn PDF document text
- http://longvu.vn/Images_upload/files/xofisozomosijug.pdfIn PDF document text
- http://como.gattinonimondodivacanze.it/themes/userfiles/files/kolog.pdfIn PDF document text
- http://tsuiteru66.com/userfiles/file/xozopemudejusamosomiguw.pdfIn PDF document text
- http://nissanotogovap.vn/uploads/images/files/gubagigax.pdfIn PDF document text
- https://otoform.com/upload/ckfinder/files/nazeti.pdfIn PDF document text
- https://ikuseikyokai.jp/ckmedia/files/72846599131.pdfIn PDF document text
- http://www.jysunshine-hotel.com/up_files/file/37889264763.pdfIn PDF document text
- http://abwlanham.com/uploads/files/lulizakemotaribokuzad.pdfIn PDF document text
- http://lica.plovdivweek.com/js/ckfinder/userfiles/files/zamubif.pdfIn PDF document text
- http://mijn-nederland.nl/userfiles/file/12937925805.pdfIn PDF document text
- https://branchennachweis.eu/userfiles/file/xewumojelezubutumabije.pdfIn PDF document text
- http://kocavietnam.com/upload/files/deromoruxilolu.pdfIn PDF document text
- https://mldom.xyz/web/img/podborky/files/dixutosokamet.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=lt+g12+giant+heart+labeledPDF 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_off0000d053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD053 | 10508 bytes |
SHA-256: e55f834634824ae3a847d1e008a7bcf458dd995968ed976fdb75e4895b0f7ff8 |
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font_01_sfnt_off0000e7fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7FC | 18408 bytes |
SHA-256: d189ef08a040ebd389707190a3fc67a199b9c2c4ffa627eabf9b6700846e3bf6 |
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font_02_sfnt_off000117c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117C9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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