MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable domains, suggesting a link farm or phishing attempt. The ML classifier and ClamAV detection strongly indicate maliciousness. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://midufefew.ru/award?keyword=logarithm+and+antilog+tables+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4413968/normal_600d319a8acd1.pdfIn PDF document text
- http://sibefumunefeke.iblogger.org/principais_livros_de_historia_do_brasil.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4406793/normal_5fdc3451c4f84.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393019/normal_601ee278aab12.pdfIn PDF document text
- http://fitdieta.com/90151394208b912f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418985/normal_60414dff92c86.pdfIn PDF document text
- http://revujutipisan.22web.org/myanmar_subtitle_movies_free_apk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389586/normal_6019d89435d5a.pdfIn PDF document text
- http://wersita.space/fubeduntjxc.pdfIn PDF document text
- http://bitsracing.net/california_pizza_kitchen_menulnobu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://101c3d73-5e22-4da1-a203-a3a2a794ce88.filesusr.com/ugd/69a512_1e6d814fd7e94c72ae45c83c2a524525.pdf?index=trueIn PDF document text
- https://20996a60-9695-4f45-8fdb-44bdc783da55.filesusr.com/ugd/c57cae_d86dc11e5050471aa34cc0b76e3e209f.pdf?index=trueIn PDF document text
- https://0e8f88b9-656e-4b05-9cd8-8bd477f85547.filesusr.com/ugd/95b9ea_c8940495561a4572a7746b72d46f92c7.pdf?index=trueIn PDF document text
- https://eed7fa7e-4f31-4ba6-8269-e73f07ac74c5.filesusr.com/ugd/93374d_4bddab2c43e6481fa89a647c0ad9539e.pdf?index=trueIn PDF document text
- https://73af689e-4c80-4f62-99d3-7a886641ad81.filesusr.com/ugd/3b5dd9_4b96a8a3fa8441d48e85708e02cbfa1e.pdf?index=trueIn PDF document text
- http://zazidiw.epizy.com/what_is_emotion_focused_therapy.pdfIn PDF document text
- https://b2fc43c4-60ab-4dc1-a1c8-84833fda4e2a.filesusr.com/ugd/37321e_a09a77a1626c4b4fbe34fa506a4caafc.pdf?index=trueIn PDF document text
- https://391e4f24-9fc9-4707-ac06-338edcd9f959.filesusr.com/ugd/110ef3_28752d3524a64260ae17338419f7e9c7.pdf?index=trueIn PDF document text
- http://gapatija.epizy.com/android_tv_rom_amlogic_s905x.pdfIn PDF document text
- http://zogivumomu.epizy.com/gofubixixoxi.pdfIn PDF document text
- http://xosumuzav.epizy.com/chhota_bheem_race_game_hack.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_off0000cb6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB6F | 5536 bytes |
SHA-256: abf73b400691e2e6c4cf8b4ea9b00ccc78ee16c1dc3f876bfc02851f07ce07c4 |
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font_01_sfnt_off0000de15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE15 | 10340 bytes |
SHA-256: 6aee1e0113e58a3153450506ddb20c77ff7e3b69f4bb80dfd5c2d1dcd442f773 |
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