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 hosting services, indicating a link farm or redirection scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The embedded URLs and the heuristic findings of PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM point to a campaign designed to drive traffic to malicious sites, potentially disguised as search results for specific documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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://jumiwimov.ru/aws?utm_term=algebra+lineal+stanley+grossman+6ta+edicion+pdf PDF link annotation
- https://cdn.sqhk.co/fusifanux/eOGStje/wuzegedewus.pdfIn PDF document text
- https://belinadojo.weebly.com/uploads/1/3/1/6/131607131/cc124feb4c26af8.pdfIn PDF document text
- https://cdn.sqhk.co/vasozaponem/WEKuhbD/q_twins_hamba_mp3_download_video.pdfIn PDF document text
- http://lumobumekola.getenjoyment.net/30934408412.pdfIn PDF document text
- http://jigikujed.scienceontheweb.net/ahriman_omnibus.pdfIn PDF document text
- https://cdn.sqhk.co/duxadikoti/lsvjfgc/71029572475.pdfIn PDF document text
- https://cdn.sqhk.co/vaxarogajib/chdidH3/pilot_jobs_fairbanks_alaska.pdfIn PDF document text
- https://dowozazufexu.weebly.com/uploads/1/3/4/6/134606261/4920798.pdfIn PDF document text
- http://sevezor.scienceontheweb.net/pudukiziju.pdfIn PDF document text
- http://lezobul.medianewsonline.com/walgreens_automatic_arm_blood_pressure_monitor_review.pdfIn PDF document text
- https://munowimil.weebly.com/uploads/1/3/1/4/131406650/7590497.pdfIn PDF document text
- https://cdn.sqhk.co/satidaruxami/Hahh6jc/lasinoludirupejegumaw.pdfIn PDF document text
- https://totupima.weebly.com/uploads/1/3/1/4/131438580/jomatakutexipalida.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/6f0b5cbb-d34c-4e80-b753-b936063d225f/prince_caspian_plot_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bbb844b3-506e-477f-873d-8b381a55aefb/qu_es_un_proyecto_de_investigacin_tecnolgica.pdfIn PDF document text
- https://s3.amazonaws.com/tiduro/how_to_split_the_screen_in_windows_8.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/341f86dd-6672-4a13-bb65-fe429c692d3a/kemejaj.pdfIn PDF document text
- https://s3.amazonaws.com/bisute/fuzuwuvijadogobojemepu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f3868ec5-de19-4f2c-a6af-ff019407e624/subarisivutazesuzuwedux.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/523b6042-0e80-44b7-91d8-500cf9a8d43c/veferasizijarifiburobe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2a14c47a-afb5-45f1-8a33-ed2713dcd420/bixukudoligu.pdfIn PDF document text
- https://s3.amazonaws.com/mogedozara/67040519333.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_off000125c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125C0 | 5860 bytes |
SHA-256: 9c7f63db646c4cf11516565b007f15fd0a5a29eaf19b94c85f07464a40fcd1f7 |
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font_01_sfnt_off000139a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139A4 | 13012 bytes |
SHA-256: 9e6f0d72f65f5c7d56145afa0949f49203efaab983fbaae8c6acbd3eb7681c94 |
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