MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file identified as malicious by multiple heuristics and a machine learning classifier. It contains a large number of embedded URLs, many of which point to disposable domains and known malicious redirectors, indicating a phishing or scam attempt. The primary function appears to be directing users to external, potentially harmful, content.
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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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 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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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://dafemum.ru/strik?utm_term=how+deep+can+you+dive+with+open+water In PDF document text
- http://jijomaj.getenjoyment.net/77830086674.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446273/normal_60172e870e84f.pdfIn PDF document text
- http://folugomobok.getenjoyment.net/67940396142.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481830/normal_6030a602b24df.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4463830/normal_5ff7a2545aec7.pdfIn PDF document text
- http://doloxuwukur.iblogger.org/vitomubiga.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://dda5c79a-a75d-44d9-a006-48dec3bfe172.filesusr.com/ugd/115d6e_cbee1455ba9f443eb782882728ef3eb3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/topipovikapari/adventures_of_tintin_movie_review.pdfIn PDF document text
- http://fevupepetifus.rf.gd/letter_k_words_worksheet.pdfIn PDF document text
- https://f5d5bca3-0ffd-41e3-a77d-3d805a1e43e5.filesusr.com/ugd/4e23ca_2b231c8f9a514cedaa5c2ffb190fd58f.pdf?index=trueIn PDF document text
- https://52a72965-a6d2-471e-b66a-59a59a4d663b.filesusr.com/ugd/e643da_72928a63108f4dfea0eec3ea1e8d821c.pdf?index=trueIn PDF document text
- https://d03ec42c-8b93-48d3-a61e-9aee396c0db4.filesusr.com/ugd/1e557c_bce40fbdc2fb432d8c45082a302a02cd.pdf?index=trueIn PDF document text
- https://fad58b31-c538-4d3f-828d-7998eec853b9.filesusr.com/ugd/7e6083_1dc731840806413286dc4561cfdba36f.pdf?index=trueIn PDF document text
- https://49b821e7-ee7e-41b4-809b-d0417b8c1ddf.filesusr.com/ugd/927743_364f192dc60642ffa86eb3d0e2235a4b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/moduxanakuri/business_process_transformation_framework.pdfIn PDF document text
- http://forezepolutaju.onlinewebshop.net/jiwegoximosorububiriwejuj.pdfIn PDF document text
- https://s3.amazonaws.com/vexeliku/76744667322.pdfIn PDF document text
- https://s3.amazonaws.com/sixenogafopoj/living_on_a_prayer_piano_sheet_music.pdfIn PDF document text
- http://bukezodebas.onlinewebshop.net/project_budget_management.pdfIn PDF document text
- http://fopajika.epizy.com/thug_kitchen_cookbook_used.pdfIn PDF document text
- http://dewonodifo.rf.gd/27900330787.pdfIn PDF document text
- https://bbaef297-c986-4b42-acb3-0fd65605e280.filesusr.com/ugd/e9fc71_ac87d4f48dc54ac482eff8b8a4b1bcd9.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_off000118f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118F1 | 5164 bytes |
SHA-256: 3502ec30c66c7e5fb14cf3770d5280769fd43ed7c7fbec01016838ea50d3522c |
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font_01_sfnt_off00012a96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A96 | 10800 bytes |
SHA-256: 6124cc2219778839dd63917a1cac891a250b4fa2a117b08e491263e3f69eed8c |
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