MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution. The presence of a download button lure further supports this, aiming to trick users into clicking through to a potentially harmful site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://nomylo.ru/pbw?utm_term=sample+for+recommendation+letter+for+student PDF link annotation
- https://static.s123-cdn-static-d.com/uploads/4503578/normal_60b1e4ea1c25f.pdfIn PDF document text
- https://pabaxovazat.weebly.com/uploads/1/3/4/3/134323574/febfb90f.pdfIn PDF document text
- https://gidelusibi.weebly.com/uploads/1/3/4/0/134040719/levoluf-visunokifubo-tonejodenuzen-waguluvepi.pdfIn PDF document text
- https://tekadepaja.weebly.com/uploads/1/3/4/3/134341299/zedix-xudijotijo-daluj-narutuxu.pdfIn PDF document text
- https://wabezapodila.weebly.com/uploads/1/3/1/4/131437306/2988171.pdfIn PDF document text
- https://noruwapawufibem.weebly.com/uploads/1/3/0/9/130969999/nizurufezuraxiposu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423699/normal_603705b64a7ef.pdfIn PDF document text
- https://wejumarokurefa.weebly.com/uploads/1/3/0/7/130776247/kixakupaxedeg.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386089/normal_6065e618b3c6b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/73a68308-f684-4251-ad87-1c1aa23d0b59/76253171616.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7508f671-d204-4862-b508-062677523b1c/what_charger_for_amazon_kindle.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aa5675e7-3059-4a66-8719-ec9f826aa2cd/an_astrologers_day_short_questions_and_answers.pdfIn PDF document text
- http://lekadebixe.pbworks.com/f/clash_of_clans_base_layout_app_download.pdfIn PDF document text
- http://pupowivala.pbworks.com/w/file/fetch/144857973/59017344110.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61de094c-3fc0-4dfa-b777-476cf28b4e9c/xajaxas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec3159dc-dd87-458e-aba1-1bfe2b99181e/78020755848.pdfIn PDF document text
- http://nilanom.pbworks.com/f/multiplication_and_repeated_addition.pdfIn PDF document text
- http://zezimin.pbworks.com/w/file/fetch/144411648/butterfly_knife_part_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9d2e03b9-d165-4712-8a36-b91cd095a9e6/7654090105.pdfIn PDF document text
- http://xalanupuzewo.pbworks.com/f/bofapuv.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_off00011c44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C44 | 5404 bytes |
SHA-256: f2eef0837d4652a0a614e336798a31d04845ab4b84abb73a3be84b067a1386b9 |
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font_01_sfnt_off00012e8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E8B | 10940 bytes |
SHA-256: b9d9a878e600d0955846d9fa3502f8102c290f9c71157d5b262c454f64d724ac |
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