MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, with a significant portion hosted on disposable domains, suggesting a link farm or phishing operation. The embedded URL 'https://golowaki.ru/strik?utm_term=book+report+format+3rd+grade' and the link farm URL 'http://bcpzon4segurabetaviabcp.com/how_to_use_spectrum_remote_with_samsung_smart_tvqwz83.pdf' are identified as primary indicators of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://golowaki.ru/strik?utm_term=book+report+format+3rd+grade PDF link annotation
- http://bcpzon4segurabetaviabcp.com/how_to_use_spectrum_remote_with_samsung_smart_tvqwz83.pdfIn PDF document text
- http://crawlmqyu.space/folejol4v5ii.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/21212d02-913d-4bab-9bae-aa4adb9efd7e/mf_35_parts_list.pdfIn PDF document text
- https://4407eba0-147d-4e9d-98ff-19010b67f466.filesusr.com/ugd/c1f2fd_b82242e67784455b9029947eb491f0c3.pdf?index=trueIn PDF document text
- https://ebed6276-6372-4ddf-adad-9a0fa504b99f.filesusr.com/ugd/805d2a_8d650ffc1b4543b39db0c08cc98c0818.pdf?index=trueIn PDF document text
- https://9e730ba1-499c-413e-9a09-8a81f8121270.filesusr.com/ugd/0a0016_06620147d2594538bebb529a259e2060.pdf?index=trueIn PDF document text
- https://d73c234d-0e3d-497d-8108-d5659bace061.filesusr.com/ugd/58a813_729c843e82544f6c9c1d9cdd72ca7c97.pdf?index=trueIn PDF document text
- https://8dfd47f4-e591-4377-92a3-bdbf91d41e5a.filesusr.com/ugd/a58b01_988ee8cb66be41eb83e950b4c5c0c051.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6774bcaa-bafe-405a-b313-9d9321b25cc6/2_ejemplos_de_discurso_directo_cortos.pdfIn PDF document text
- https://91506351-5699-48ce-85e7-8e7d071f4e87.filesusr.com/ugd/d775a9_fa70c0549b334162b80b3eb64f3f8fcb.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0e8a70b1-6c98-4b9b-b5bb-1ffcbebb5792/beginner_basic_english_conversation_questions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a08efa0a-165c-4386-acf2-6121e2c61b79/criminal_law_bench_book_nsw.pdfIn PDF document text
- https://bf68d742-fb98-404a-ab47-1dcf24f7df52.filesusr.com/ugd/83e7fd_a86ad5acd5914ce5b16986f383364c95.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/44d3c49b-35b7-406a-ab91-0b5d92c98796/what_does_the_magician_card_mean_in_a_love_reading.pdfIn PDF document text
- https://e8dc5420-792a-4861-90db-09cfc8d8a7d1.filesusr.com/ugd/1378f5_743365a59f984580abd8a68c412517bb.pdf?index=trueIn PDF document text
- https://746420f6-3007-491b-ba72-fd43be5094e5.filesusr.com/ugd/277b62_a21714c9fd614a90acd4d98f3f86fff0.pdf?index=trueIn PDF document text
- https://183cab0c-2e2b-44e6-b55a-0f82cb58e578.filesusr.com/ugd/133137_d033ce53e8d44b168f9b97b847352da4.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jazamerijekufol/40501310517.pdfIn PDF document text
- https://b9387e75-0942-48a6-8a47-0bd3f0224277.filesusr.com/ugd/fc485c_ce03a8e5919549ffbe8e864984ca8038.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/duzexefemosaxe/tolibafajazesizijami.pdfIn PDF document text
- https://s3.amazonaws.com/lezerawe/popoguv.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_off0000ecbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECBC | 5428 bytes |
SHA-256: b26c10b7b9ff4db083f659a78f91af7d43ebb58f48dc4494d11fd6edbd6110ad |
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font_01_sfnt_off0000ff24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF24 | 11184 bytes |
SHA-256: 3cfa1efba9bf8891e4c03738aa2975fff0582c8c60949a1596d7bf9c35f19596 |
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