MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs, with one specifically pointing to a redirector that includes 'scribblenauts+remix+apk+download' in its query parameters, suggesting a lure for users seeking that software. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms that this URL leads to malicious infrastructure. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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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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://yafferge.ru/123?utm_term=scribblenauts+remix+apk+download In PDF document text
- https://cdn.sqhk.co/nuvurero/WXhfxhj/diverse_lynx_jobs.pdfIn PDF document text
- https://cdn.sqhk.co/vefobinibe/LiaKRHV/rutajomizifiwulugimuniru.pdfIn PDF document text
- https://cdn.sqhk.co/tizudukokeni/42rLSgG/soup_icon_png.pdfIn PDF document text
- https://cdn.sqhk.co/viforoge/ribR4hh/dr_phil_soundboard_download.pdfIn PDF document text
- https://cdn.sqhk.co/ripalufix/4idgdcp/ducktales_game_boy_online.pdfIn PDF document text
- http://barojenixumaja.iblogger.org/software_high_level_design_document_template.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375344/normal_60034f1768814.pdfIn PDF document text
- https://cdn.sqhk.co/zazavoxujub/T8i9kIQ/tapunutegojazedilil.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370076/normal_600f465e173b5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413563/normal_6003ef9fcd4d8.pdfIn PDF document text
- https://cdn.sqhk.co/definuseju/UUumVgd/yellow_pages_business_account.pdfIn PDF document text
- https://cdn.sqhk.co/zururodi/jbvJ0Gt/gadivunijuduvurosodozov.pdfIn PDF document text
- https://cdn.sqhk.co/lewiwifo/jkidxKf/bofulegogexomipomavazisuj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415309/normal_601704c2e37a2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jalameki.epizy.com/anonytun_terbaru_juni_2018.pdfIn PDF document text
- http://virixavop.epizy.com/converter_bmp_to_free.pdfIn PDF document text
- http://fububosuvakosal.epizy.com/bombay_tamil_movie_bgm_music.pdfIn PDF document text
- http://bafemiw.epizy.com/49596024289.pdfIn PDF document text
- https://s3.amazonaws.com/nawuvud/41601897493.pdfIn PDF document text
- http://mamotupot.rf.gd/cities_skylines_mod_apk_android.pdfIn PDF document text
- http://faxumev.epizy.com/zegafizixadumaseb.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fda1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDA1 | 5688 bytes |
SHA-256: bbb79c84af1ce1d8605fe3feca3194340ce507dd8f0996ab3262d42adc9cce67 |
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font_01_sfnt_off000110ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110EF | 11820 bytes |
SHA-256: afabd752594a15252f9bfbf7f3b53f8b4c3d344c0c2012f1d6da3be66165b882 |
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