MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file flagged as malicious by multiple heuristics, including a critical finding for linking to known malicious redirector infrastructure. The embedded URLs and the ML classifier output strongly indicate a phishing or malware delivery attempt. Although no scripts were explicitly extracted, the nature of the links suggests a potential for JavaScript execution or further redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://dafemum.ru/123?utm_term=businessman+hd+movie+free In PDF document text
- https://static.s123-cdn-static.com/uploads/4420037/normal_5ff03e7141d03.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426966/normal_5fdfaed92da53.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417664/normal_5feb6b16470d2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4483856/normal_5ffd77d17b25f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jatuxijor.epizy.com/92775758064.pdfIn PDF document text
- https://22449060-8e30-4723-8828-967625cce342.filesusr.com/ugd/eddc50_bbbb877898bd459f9122073bdd96d9e0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d84e3b27-8720-4348-96e6-bd07b870b086/texaxevowojur.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9740e3ff-aeee-479c-b5d1-05920f9f05fa/zazuparesidum.pdfIn PDF document text
- https://49550882-97ce-44db-a38b-6e383bb81149.filesusr.com/ugd/062c90_0001999933a04ac6bf7fd78ec9f0ce6c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1fe27445-3ec1-46aa-9249-04b473459a0f/mufoliburotun.pdfIn PDF document text
- http://ribitotuv.epizy.com/accounts_receivable_management_policy_theory_and_evidence.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/80945aef-80d7-46c1-a96d-5d025cc88694/66168244145.pdfIn PDF document text
- https://21e323bd-7fdd-46e9-a6c7-4880e76d7610.filesusr.com/ugd/0a51c1_607a4ac24dcc44d982192372f4c6d343.pdf?index=trueIn PDF document text
- https://d38713d8-f9e0-49bf-8e72-3f46774ce551.filesusr.com/ugd/b3faf5_d4d16188086441e4b84364e0fb64ce97.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0e130188-079b-4cf1-847a-f20617f54f99/rocket_propulsion_elements_9th_edition.pdfIn PDF document text
- https://af1bea64-f5cd-41c2-a7c1-97f21c1aa057.filesusr.com/ugd/592671_61e49d343916460e92c44844e76bcf63.pdf?index=trueIn PDF document text
- https://2a4065d7-883d-43e8-a524-7ce9aa4b4e88.filesusr.com/ugd/ccb1c6_aee7a27f1f7e41e4bdb6453f26c8aa6b.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d788.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD788 | 5224 bytes |
SHA-256: 820a1e1f1485866a810d2f4339d6c2add433861919f7d2eaf6f79ccec9737557 |
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font_01_sfnt_off0000e92b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE92B | 10908 bytes |
SHA-256: 9db5ef5f8159bedeb08231888e406b791cbef770955cbe50f301bffbc4fd493a |
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