MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF identified as malicious by ML classifiers and ClamAV, with heuristics indicating it's a link farm on disposable hosting and a potential invoice lure. The embedded URLs, such as 'http://changepass.online/ukulele_strumming_patterns_4_4d4fg6.pdf', suggest a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and heuristic firings strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://leonvi.ru/award?keyword=blank+tri+fold+brochure+template+pdf PDF link annotation
- http://changepass.online/ukulele_strumming_patterns_4_4d4fg6.pdfIn PDF document text
- http://vezerfa.xyz/zatizidejuhi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387218/normal_5ff71868362ae.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381740/normal_601a542c49f69.pdfIn PDF document text
- https://cdn.sqhk.co/mabisurud/fFGFjeQ/49071031477.pdfIn PDF document text
- http://zizoxuviwemaki.iblogger.org/eucharist_catholic_answers.pdfIn PDF document text
- https://cdn.sqhk.co/wanukawuwota/dpjbieo/cruise_ship_companies_list.pdfIn PDF document text
- https://cdn.sqhk.co/vetelovube/i6he4ja/miwezetunarekisul.pdfIn PDF document text
- http://kulinar2020.site/chuka_full_movie_downloadfdwzt.pdfIn PDF document text
- http://svoytrylend.xyz/18066040406me8cp.pdfIn PDF document text
- http://sibuvre.com/86221866319skc45.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://9a4203bb-6ff2-4ef1-9c63-3f113f84a884.filesusr.com/ugd/ea9bdf_3f5429d4ef5145ef86dd1fc2d09974fb.pdf?index=trueIn PDF document text
- https://e6c529cc-411f-4195-b5ea-7b5fd081490a.filesusr.com/ugd/b7ab08_efa25947ecfd44ce9483f3bf79ec846e.pdf?index=trueIn PDF document text
- http://jonebitomire.rf.gd/asme_2019.pdfIn PDF document text
- http://vuremekewema.rf.gd/fasibosawi.pdfIn PDF document text
- http://rirazito.epizy.com/weight_training_for_beginners_at_home.pdfIn PDF document text
- https://9c789f27-b70c-4c9d-9e83-211ee8f99b38.filesusr.com/ugd/bdeb4c_fcecf15dabce446ca3075cc58a878e71.pdf?index=trueIn PDF document text
- http://vizaraxeforuzu.rf.gd/carel_ir32_user_manual.pdfIn PDF document text
- http://vuxujakovonad.epizy.com/palm_beach_gold_coast_fishing_report.pdfIn PDF document text
- http://godavuvexo.epizy.com/sonocent_audio_notetaker_free.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f817.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF817 | 5352 bytes |
SHA-256: d90fb631b971f5ef0cf02eda38cf4755c76e366b95061db89994cea2aa96f97e |
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font_01_sfnt_off00010a11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A11 | 10632 bytes |
SHA-256: 1c3449250edd5021960dadf34b7a5fc6d820fa71d4b7cd05071bfa27dff84ae7 |
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font_02_sfnt_off00012e31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E31 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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