MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, with one prominent link pointing to 'oniceh.ru', suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, indicates it is presented as a 'Calendario colombia 2020 con festivos pdf', a common lure for social engineering.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 5
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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 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://oniceh.ru/pbw?utm_term=calendario+colombia+2020+con+festivos+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4390328/normal_6059d9ff68e7c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427313/normal_6033d38a8e87d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490529/normal_5ff92e69b30c9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379602/normal_5fe76ee793f7b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4503584/normal_6063c8df8aae5.pdfIn PDF document text
- https://mujurusema.weebly.com/uploads/1/3/4/8/134846640/5669140.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445129/normal_604fea1a5dcff.pdfIn PDF document text
- https://sikefenuvip.weebly.com/uploads/1/3/4/0/134012601/bilumemadekab-rexaserelex-monuwuwabodiw-pumaw.pdfIn PDF document text
- https://bejixetixozivi.weebly.com/uploads/1/3/4/4/134499198/5b765.pdfIn PDF document text
- https://nufosizusom.weebly.com/uploads/1/3/4/6/134619592/d1e616fe.pdfIn PDF document text
- https://turezizudowan.weebly.com/uploads/1/3/1/6/131606253/lozukemadigo_tunifofawevu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4392209/normal_5fff5bd6ea2b1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4391000/normal_5fed802a51e41.pdfIn PDF document text
- https://rowimunikak.weebly.com/uploads/1/3/5/3/135346477/gejinaseji-neroguroga.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393016/normal_5fe272c5cb68b.pdfIn PDF document text
- https://tiritezolodimim.weebly.com/uploads/1/3/4/7/134743729/9776181.pdfIn PDF document text
- https://xikofekukinakij.weebly.com/uploads/1/3/2/6/132681309/kokagemesunodi-buzuxiw-jafolosi-lubirumagip.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://wijozuzapusa.pbworks.com/f/51783440720.pdfIn PDF document text
- http://tubekikewabi.pbworks.com/w/file/fetch/144439992/enfoque_cognitivo_psicologia.pdfIn PDF document text
- http://wojipag.pbworks.com/w/file/fetch/144413865/free_instagram_followers_app_2019.pdfIn PDF document text
- http://supatibu.pbworks.com/w/file/fetch/144418101/what_is_inner_transition_metals.pdfIn PDF document text
- http://pamotekegopa.pbworks.com/f/nobutirur.pdfIn PDF document text
- http://sizolasipape.pbworks.com/f/download_factory_inc_mod_apk_android_10.pdfIn PDF document text
- http://nadupodifado.pbworks.com/w/file/fetch/144431637/dynamite_recruitment_timesheet.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_off0000ef87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF87 | 5680 bytes |
SHA-256: 5ffe972afe44bde86a861a281b3bdd7d82bcc850bef1436c2b50da2f6ed1584e |
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font_01_sfnt_off000102be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102BE | 12080 bytes |
SHA-256: 867b33aeed63d17054f00f1792ef99315a9233be6b55bbce02a303c625df7660 |
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