MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and multiple external links, one of which is algorithmically generated and points to a PDF file. This suggests the PDF is designed to exploit vulnerabilities or trick the user into downloading and executing a secondary malicious payload. The presence of embedded JavaScript indicates a likely attempt to execute code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://pioneerbuzz.net/userimages/xuzuguvadupagurikim.pdf In PDF document text
- https://eghamatkade.com/basefile/eghamatkadecom/files/37798517035.pdfIn PDF document text
- http://hasdeu.md/data/userfiles/files/jaligegi.pdfIn PDF document text
- https://kenhquangcao.vn/uploads/files/64113648715.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/161329a370c16f---13229846584.pdfIn PDF document text
- http://gowowdeli.com/uploads/files/sitafozopa.pdfIn PDF document text
- http://novichiha.ru/pic/file/momewavadekurojedeb.pdfIn PDF document text
- https://vishalahospitality.com/ckfinder/userfiles/files/91586363930.pdfIn PDF document text
- https://stw-nowogard.pl/download/file/vidajogorikagowir.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/2n0ldu3kqthag6bfmemijvu704/duwiviwu.pdfIn PDF document text
- http://studiotecnicoligioni.com/userfiles/files/duwenubosonexirepi.pdfIn PDF document text
- http://upasamed.org/Content/uploads/files/76601148386.pdfIn PDF document text
- https://lawyerupsmart.com/tempimg/file/wunodubusenifegi.pdfIn PDF document text
- https://orrizon.ru/images/file/ganefelagubawukel.pdfIn PDF document text
- https://alarrabnews.com/images/content/content/file/kukafibejenapuki.pdfIn PDF document text
- http://classiccar-jp.com/js/upload/files/robafuvabufalu.pdfIn PDF document text
- http://banglatalkies.com/dynamic-images/cms/file/falojumekel.pdfIn PDF document text
- http://rungrawin-itt.com/userfiles/files/kopedafuz.pdfIn PDF document text
- http://profstil.az/userfiles/file/linarawepufofa.pdfIn PDF document text
- http://indianspringhomes.net/userfiles/files/10804390643.pdfIn PDF document text
- http://montpellier-businessplan.com/mbp/upload/images/images/upload/ckfinder/patizozowezirelejej.pdfIn PDF document text
- http://xn--dlek-5qa.com/admin/UserFiles/file/vojixevukoxa.pdfIn PDF document text
- https://indirimlipin.com/calisma2/files/uploads/37813758271.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=pflanzen+gegen+zombies+android+cheatsPDF 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_off0000ec9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC9D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104B4 | 11124 bytes |
SHA-256: 1f0b05fbc8d0734671ed0aa2e24190b9d434dadde51eac8af411a81bd6320610 |
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font_02_sfnt_off00011e42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E42 | 19720 bytes |
SHA-256: d74a5bcc825e0b310ba18dc508cfe325d05dbe789e09673214eac4095ede6af4 |
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