MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The document contains numerous links, many pointing to disposable hosting and employing UTM parameters, suggesting a link farm or phishing lure. The primary URL, 'https://chcial.ru/pbw?utm_term=star+wars+imperial+march+easy+piano+sheet+music+free', is presented as a search result for sheet music, likely a pretext to direct users to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 5
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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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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://chcial.ru/pbw?utm_term=star+wars+imperial+march+easy+piano+sheet+music+free PDF link annotation
- https://nitowapesapu.weebly.com/uploads/1/3/4/4/134442046/9232978.pdfIn PDF document text
- https://tiguziriwisil.weebly.com/uploads/1/3/1/0/131071210/19e298db1a25.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466662/normal_6044913323fe7.pdfIn PDF document text
- https://luwusimoxoxaxa.weebly.com/uploads/1/3/1/4/131453453/2306052.pdfIn PDF document text
- https://zikowipon.weebly.com/uploads/1/3/5/3/135300096/5523794.pdfIn PDF document text
- https://fuketuxe.weebly.com/uploads/1/3/4/4/134495293/dujixefobop.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393485/normal_5ff97ac7dfdef.pdfIn PDF document text
- https://resevaguwitim.weebly.com/uploads/1/3/5/2/135298688/799505837cc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443356/normal_605c336d4ef36.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421058/normal_60230447c4f2b.pdfIn PDF document text
- https://mumamelif.weebly.com/uploads/1/3/4/4/134464597/3335409.pdfIn PDF document text
- https://dazobexureza.weebly.com/uploads/1/3/1/3/131383777/8677762.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
- http://xosufixemuf.pbworks.com/w/file/fetch/144441723/convertir_de_a_word_online_gratis_en_espaol.pdfIn PDF document text
- http://kolasotosexu.pbworks.com/f/what_qualifies_for_early_withdrawal_of_401k.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d76c4c23-eb1c-4487-abb9-58124d7c6ac1/inverse_trig_identities_integrals.pdfIn PDF document text
- http://feteselulo.pbworks.com/w/file/fetch/144471264/honeywell_home_t6_pro_user_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d6ca2d23-a117-4f75-86f9-36155aa54cf9/storm_cat_portable_generator_63cc_parts.pdfIn PDF document text
- http://giwupiraride.pbworks.com/f/19465090432.pdfIn PDF document text
- http://neruwuk.pbworks.com/f/mazutunanifisuke.pdfIn PDF document text
- http://xuvabufoj.pbworks.com/w/file/fetch/144471543/xebajiju.pdfIn PDF document text
- http://fodorafirig.pbworks.com/w/file/fetch/144475863/mitsubishi_lancer_user_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1ab570ed-7d04-4151-a476-a0b7c89f7614/66400240313.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9348af1d-da23-42a9-a730-86b91fb27812/what_is_the_meaning_of_algebraic_expression_in_tamil.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4bec859d-5fc2-473d-b2a4-ee204ccbd54b/37182508673.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_off0000e5e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5E4 | 5436 bytes |
SHA-256: c0066b0dab8e41424c3d05f24832215da168aac1af2a521df26aab026bec1519 |
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font_01_sfnt_off0000f844.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF844 | 10264 bytes |
SHA-256: a3c7597475285ee6eb1936be7646878c045aa24d20dfee3b990e78cdb3c3ee29 |
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font_02_sfnt_off00011b20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B20 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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