MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable hosting, indicative of a link farm or SEO spamming technique. One prominent URL, 'https://resalured.ru/wix?keyword=busybox+installer+apk+download', suggests a lure for users searching for software. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://resalured.ru/wix?keyword=busybox+installer+apk+download PDF link annotation
- https://static.s123-cdn-static.com/uploads/4498834/normal_5fec3aaa3d250.pdfIn PDF document text
- http://xubozogafajus.22web.org/17916522260.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367643/normal_600fe513e7f15.pdfIn PDF document text
- http://duxolaw.22web.org/maths_worksheet_for_class_2_download.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lodonevubepivor.epizy.com/animal_full_movie_tamil_dubbed.pdfIn PDF document text
- https://ecf1b359-4982-44d9-836f-7e6f5fec4aa1.filesusr.com/ugd/da15c8_9114dbc66c9f442d80d48979a3b61b7d.pdf?index=trueIn PDF document text
- https://1ce8651a-bfbb-4b9a-b1bf-24b3b574775a.filesusr.com/ugd/ac72e0_e63f4d033bc34df1a956daa4e511463f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/eae37bfe-e6a9-4639-896e-85b015e1a9c4/how_to_program_a_ge_universal_remote_to_a_hisense_roku_tv.pdfIn PDF document text
- https://931f52e6-cb68-4a93-8e02-54808d33f8b6.filesusr.com/ugd/6290de_eb5e50fd9a504df6b032b2ed8dbea8b3.pdf?index=trueIn PDF document text
- https://41d9b059-0b17-466b-96e6-f31a3f3e9b19.filesusr.com/ugd/f1ead9_eab65b59779a46988b518cfc988aae49.pdf?index=trueIn PDF document text
- https://2a497570-3881-454f-aefc-229a18bbdf22.filesusr.com/ugd/83e24f_095c4ba35d714a11a6b55a16b1207583.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wewiro/vocabulary_workshop_level_b_unit_2.pdfIn PDF document text
- https://s3.amazonaws.com/sedimeraxufi/apk_messenger_lite_mod_transparan.pdfIn PDF document text
- https://s3.amazonaws.com/topipovikapari/christmas_dingbats_quiz_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b58c90fa-69a9-49bb-96e3-4a1502f5d57d/99171649594.pdfIn PDF document text
- https://0c3b2bb2-3ac9-4e0e-a0b2-530a831cdf0d.filesusr.com/ugd/23193f_e5134003b4e44aa6b5cb6ef21f32409b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/retisovojor/bawuvozujinele.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1bb0f6ce-dfca-41f7-80d6-c493365e81f9/vutetegavafefazodukomo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01265fe1-65f7-4eff-9273-ea0c1538ab4f/kagerililofukojefanebi.pdfIn PDF document text
- https://507d1b22-ea03-4061-a262-f79425337ca2.filesusr.com/ugd/a374b9_553022344c6a4596a0b24335cb4ef094.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ecbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECBE | 5468 bytes |
SHA-256: 0c87eeec2638bb96af48474f119d6b0bea790cf6ddad9a185a17708b00c098c3 |
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font_01_sfnt_off0000ff76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF76 | 1772 bytes |
SHA-256: 7f6055e9935d36f8a352b952ce053025d50f35c56fe487f399adf4c91469fd09 |
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font_02_sfnt_off000107f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107F1 | 13984 bytes |
SHA-256: 2b48e539883089f640bdffa14c837cdd649c31696b8a6de058f061b24fd1429c |
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