MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as a phishing trojan. The embedded URLs are likely used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://kuzutuzo.ru/wix?keyword=credits+to+graduate+high+school+texas PDF link annotation
- http://pojapir.mygamesonline.org/lusaludipekefa.pdfIn PDF document text
- http://zokidinodajives.getenjoyment.net/82991370392.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408707/normal_600d674f9472e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401517/normal_5fdac772bd4fd.pdfIn PDF document text
- https://cdn.sqhk.co/lunexubafexo/iieYDjj/71075251485.pdfIn PDF document text
- https://cdn.sqhk.co/kulabokirow/4XkEygj/dugedebazazojejofik.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416322/normal_6040df58b8229.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464532/normal_602656a65325d.pdfIn PDF document text
- https://cdn.sqhk.co/pimepojuti/bz4je9w/kamado_tanjiro_no_uta_piano_sheet_music.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369933/normal_6035782a2c705.pdfIn PDF document text
- https://cdn.sqhk.co/regavebike/cw9hcGg/real_steel_robots.pdfIn PDF document text
- http://tewatag.medianewsonline.com/greek_bible_with_english_translation.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403816/normal_6037bf1916ccf.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4404297/normal_5ff13daed422b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496225/normal_600d712129d4f.pdfIn PDF document text
- https://cdn.sqhk.co/kerutadit/RIWhdih/kamisato_ayaka_constellation.pdfIn PDF document text
- http://nurokojo.mypressonline.com/how_to_set_timex_marathon_watch.pdfIn PDF document text
- http://tijudiwulewanuw.getenjoyment.net/balanitis_tratamiento.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385436/normal_603ca86940ac0.pdfIn PDF document text
- https://cdn.sqhk.co/forinabam/Uejf0ZT/cuba_messenger_app_for_iphone.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://31c8a3d4-0132-49f1-a04f-09c79d03e01f.filesusr.com/ugd/a4da84_19531d18b31c4654b487ea085a8505ad.pdf?index=trueIn PDF document text
- https://4b4b92a8-4ac5-4030-97d5-af0917f8c077.filesusr.com/ugd/0251f0_afb76d31261d486abe5819fb00c7ea29.pdf?index=trueIn PDF document text
- https://cb8582fb-ab29-4f13-bfd4-623ca244ab52.filesusr.com/ugd/d61b30_4a78bafd0a1d4b7d9c6615e4fd99cf88.pdf?index=trueIn PDF document text
- https://459ec6dd-5b69-4322-a182-74abbfaa0e48.filesusr.com/ugd/221eaa_547186f39ad34004a97afb3c634725f7.pdf?index=trueIn PDF document text
- https://85ed388a-52e0-4e79-9737-9d4b769dda71.filesusr.com/ugd/bb10c5_01dcc1ac422143898525dc6cfc3a2256.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB52 | 5176 bytes |
SHA-256: dfdb8b38255459789cbb95871ac86781f03e684c983cfd169d71b773822304e2 |
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font_01_sfnt_off0000ece2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE2 | 10960 bytes |
SHA-256: 1f1f814f434038c86a4dc1e674273a58cc7fdcbd83c840702642db7b988771c8 |
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