MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable hosting, indicating a link farm or SEO spam campaign. ClamAV and ML classifiers also flagged this file as malicious, specifically as a phishing or trojan variant. The embedded URLs suggest an attempt to redirect users to potentially malicious content.
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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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://jacksth.ru/award?keyword=atividades+educa%25C3%25A7%25C3%25A3o+infantil+5+anos+para+imprimir+em+pdf PDF link annotation
- https://cdn.sqhk.co/rasidepad/iVmhbib/pobirebal.pdfIn PDF document text
- https://cdn.sqhk.co/vujixete/ifjfhhw/bogukifenevumetipob.pdfIn PDF document text
- https://ditezuni.weebly.com/uploads/1/3/5/3/135350757/b94d0bf502ab.pdfIn PDF document text
- https://cdn.sqhk.co/togokitaz/8rKwThi/83373758127.pdfIn PDF document text
- https://cdn.sqhk.co/wadelovelo/NjdYjjd/stickers_de_among_us_whatsapp_descargar.pdfIn PDF document text
- http://mipedinujit.22web.org/zijul.pdfIn PDF document text
- https://nosobafib.weebly.com/uploads/1/3/1/4/131438228/kavetiriga.pdfIn PDF document text
- https://cdn.sqhk.co/gujurolekuma/gfn4giF/crossing_over_definition_genetics.pdfIn PDF document text
- https://cdn.sqhk.co/fazejitev/brjdZhh/police_chase_thief_pursuit_apk.pdfIn PDF document text
- https://fumunavizagoz.weebly.com/uploads/1/3/4/2/134235019/8454248.pdfIn PDF document text
- https://wadasazaba.weebly.com/uploads/1/3/3/9/133999184/turenuzilijer_tukuzusaguse_folibubinar.pdfIn PDF document text
- https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/mumaluz_daradi_gisojuwoli.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://571cbd0a-ba82-408d-be6d-2df53a8fcfe5.filesusr.com/ugd/02af14_80a8bfaf44a1447796fe146cb6bb9bae.pdf?index=trueIn PDF document text
- https://5053e88e-9e18-4719-890c-32a1cca0295d.filesusr.com/ugd/411503_cb3150cfd788415c8d6a82535fd66493.pdf?index=trueIn PDF document text
- https://4b3b4da4-1145-40fd-8a04-0ac29766dab0.filesusr.com/ugd/6c6203_861322787f7f4664a9485a3c10f4f046.pdf?index=trueIn PDF document text
- https://dfdccaec-9019-42eb-ab8c-14eed22d5f88.filesusr.com/ugd/2e00cc_a900177ab7ac43b99174fd4eb156adbb.pdf?index=trueIn PDF document text
- https://98350ace-7ac4-4f38-a9d9-579fdad8050b.filesusr.com/ugd/9b2d9b_fa6470b6c077483aad10abc45d5efc75.pdf?index=trueIn PDF document text
- https://8eefcaf3-52f5-4123-8be5-b1f0aaeea45e.filesusr.com/ugd/1d3654_29a1734e975e417596fcdf721b9d4f0b.pdf?index=trueIn PDF document text
- http://wivoruremuwun.rf.gd/delonghi_scultura_espresso_machine_manual.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_off0000e418.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE418 | 5972 bytes |
SHA-256: fd80dee8d9553fcc3ea6181cc06a7da5378e1f199008ee9211d8b0634480285d |
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font_01_sfnt_off0000f794.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF794 | 12976 bytes |
SHA-256: ef7dffa65c7856868bad606328ba01ebc76c29a06fe74a08885398b9c015a6a4 |
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