MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. This script likely redirects the user to a malicious URL, as indicated by the presence of multiple suspicious external URIs and the ClamAV detection of 'Pdf.Phishing.Trojan'. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9887
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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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 https://inwebjor.ru/uplcv?utm_term=the+croods+2+stream+free PDF link annotation
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613939e71dc46---pefazuxeturoxigugosotadu.pdfIn PDF document text
- https://swapnauraan.com/ckfinder/userfiles/files/59161680199.pdfIn PDF document text
- https://ewdel.cz/ckfinder/userfiles/files/83143864224.pdfIn PDF document text
- https://aymexco.eu/ckfinder/userfiles/files/23131443008.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/161379fe6bc308---divonikupanodupipo.pdfIn PDF document text
- http://www.amedna.com/userfiles/files/14128030698.pdfIn PDF document text
- http://85560891.com/upfolder/e/files/20210906045257.pdfIn PDF document text
- http://hrampetraipavlavosstanovlenie.ru/content/images/user/file/7908834404.pdfIn PDF document text
- https://mps-india.com/userfiles/files/tojelewedukugebajetik.pdfIn PDF document text
- http://bkm-market.net/userfiles/file/rarosovidefifuti.pdfIn PDF document text
- http://hiro-seiko.com/upload/files/gijamavesotetawed.pdfIn PDF document text
- http://dioceseofniranam.org/userfiles/file/tewotibuxalekive.pdfIn PDF document text
- https://acrgruppe.de/userfiles/file/6369321346.pdfIn PDF document text
- http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/466072460.pdfIn PDF document text
- http://monarchiaerembolt.hu/tmp/muzagetegaberapesej.pdfIn PDF document text
- http://csc0851.com/userfiles/file/20210902044731_tuhbm5.pdfIn PDF document text
- https://tiklatakip.com/calisma2/files/uploads/78781302010.pdfIn PDF document text
- https://wonwon.taipei/photo/file/notoburedetilubisebum.pdfIn PDF document text
- http://cyuansheng.com/userfiles/file/fimutetadovevolaxawuj.pdfIn PDF document text
- https://maturana.cl/upload/file/natujolikogisokututijefus.pdfIn PDF document text
- http://www.cenlaenvironmental.com/siteuploads/editorimg/file/lubugumetufederemewisapo.pdfIn PDF document text
- http://traslochimontalto.it/userfiles/files/lesasudajekugeroju.pdfIn PDF document text
- https://thietbixanh.net/uploads/files/98130383053.pdfIn PDF document text
- https://sfeerweter.nl/userfiles/files/pezekewobetixavozafe.pdfIn PDF document text
- http://olynskiconstruction.com/pics/file/49674618911.pdfIn PDF document text
- http://xhiehchin.com/Xhieh_News/_file/lizisefut.pdfIn PDF document text
- http://csa.china-led.net/static/editor/ckeditor/ckfinder/upfile/files/62893488088.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_off0000d78a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD78A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA1 | 10580 bytes |
SHA-256: be3c79812a8993f01f13cf2fbf93e8207766e254c318f9c80c678f8fac270926 |
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font_02_sfnt_off000107e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107E4 | 18928 bytes |
SHA-256: 87decb0e770fe5550ad4e0b7d82467028c9d72b7f4e1630e6c4456737f587875 |
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