MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links pointing to disposable domains and link farms, with a critical heuristic firing for redirector infrastructure. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the presence of malicious links and the overall structure suggest a phishing or malware distribution attempt, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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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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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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/award?keyword=ielts+academic+writing+task+1+samples+band+9+pdf In PDF document text
- https://mugunujepigujov.weebly.com/uploads/1/3/5/9/135992134/pudogitavewatu-wuzub-tegipefenafide.pdfIn PDF document text
- http://storeplus.pro/8549398031325xpu.pdfIn PDF document text
- https://ruwatavefi.weebly.com/uploads/1/3/4/7/134704280/2673468.pdfIn PDF document text
- http://japancar-sib.ru/hola_amigos_textbook_answerscvs4a.pdfIn PDF document text
- http://topstudy.fun/digiguxudipitelajojigir29iu.pdfIn PDF document text
- http://jobs-ingenieur.best/950727760753yoy8.pdfIn PDF document text
- http://subonus.ru/logic_puzzles_with_answers_in_mathssj2qh.pdfIn PDF document text
- http://kzrovk.xyz/nueva_historia_mnima_de_mxico_libro_completoeaxh5.pdfIn PDF document text
- https://kusovagojevo.weebly.com/uploads/1/3/4/8/134883394/2c6da966ae78.pdfIn PDF document text
- http://copyrightsafetyhelps.com/satipatthana_sutta_discourses_goenkamqv04.pdfIn PDF document text
- http://armada.technology/12000761217kbgnv.pdfIn PDF document text
- https://kegalanomer.weebly.com/uploads/1/3/1/8/131856310/pugebesajowawuris.pdfIn PDF document text
- http://tortomsk.ru/wilton_piping_nozzles_chartfpzf4.pdfIn PDF document text
- http://pixelbarista.com/dupegipuxeblret.pdfIn PDF document text
- http://ritual-venki.online/business_continuity_plan_template_for_financial_servicesy19lo.pdfIn PDF document text
- http://marketop.club/guidepost_magazine_contact_phone_numberktpmw.pdfIn PDF document text
- http://urro-hu.com/99083393122wl0b4.pdfIn PDF document text
- http://tovarzone.ru/pixar_movie_quiz_with_answershvegy.pdfIn PDF document text
- http://copriyghtconfirmed.com/sosaleg5pcca.pdfIn PDF document text
- http://complerbnp.com/roald_dahl_books_amazon_indiaqhhn1.pdfIn PDF document text
- http://kasyanbeauty.com/84406046083xqaut.pdfIn PDF document text
- https://sozumibazukupiv.weebly.com/uploads/1/3/4/7/134735026/8973848.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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_off0000e405.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE405 | 5596 bytes |
SHA-256: f1973bff4335d0c22803ddbafc11155f22d538412c5325b974269d614fcccc97 |
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font_01_sfnt_off0000f701.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF701 | 11288 bytes |
SHA-256: 12ed782105964ffb7465af36ba4c35daa80421fa411bd8b08e310366a5d05866 |
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font_02_sfnt_off00011d99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D99 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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