MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO spam campaign. The primary URL, 'https://krisoc.ru/pbw?utm_term=how+to+fix+reverse+gear+in+automatic+transmission', is presented as a guide but likely serves as a lure to a malicious site. ClamAV detection and ML classification strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://krisoc.ru/pbw?utm_term=how+to+fix+reverse+gear+in+automatic+transmission PDF link annotation
- https://dovomarolod.weebly.com/uploads/1/3/0/9/130969455/xorixazowegokumusu.pdfIn PDF document text
- https://juwabizaf.weebly.com/uploads/1/3/0/9/130969053/1438382.pdfIn PDF document text
- https://duziduwavi.weebly.com/uploads/1/3/1/0/131070207/nibis-vunuzezir-degege.pdfIn PDF document text
- https://datugabow.weebly.com/uploads/1/3/4/7/134745554/pivaberewafus.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/3ba62435-89c0-4636-9e0d-5ad2e9116e47/wixigegigepubep.pdfIn PDF document text
- http://garewewaziwu.pbworks.com/f/zelda_majoras_mask_3ds_soluce_masque_du_lapin.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/810aa22f-0266-4eb8-a6fc-1df5caf13c14/95617517912.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fdfe5f8c-0440-401d-979c-49471ca0a026/disney_snow_white_witch_costume.pdfIn PDF document text
- http://lekipirunezi.pbworks.com/f/voice_lessons_syntax_answer_key.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6873baf0-534a-40af-bbfd-b4bcc2b454c3/63450247594.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6fdb1cc4-dfc4-43c6-a575-25b49e88c57e/vabajobofowisafo.pdfIn PDF document text
- http://gaguseka.pbworks.com/w/file/fetch/144606966/marshalls_return_policy_covid-19.pdfIn PDF document text
- http://jesababa.pbworks.com/w/file/fetch/144425196/6022101002.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a74f6198-de20-4578-940c-f255fcc746d3/23768125043.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9512f19e-cfb9-472d-a918-a13965da547e/what_does_an_arrow_mean_in_a_chemical_reaction.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ca87f848-c2a1-4ffb-abad-1aec892701e3/review_on_heart_disease_prediction_system_using_data_mining_techniques.pdfIn PDF document text
- http://bojirakaj.pbworks.com/w/file/fetch/144610101/63900180016.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/43aa92cc-3365-4c08-91f4-7a0151ae576b/toms_of_maine_case_study.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/037f2813-f98e-4128-9acd-bf47a65b6825/kixotamigexedorisujaj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c8079e0f-fbf3-4820-b68e-47e41d4cf91b/best_memory_card_for_zoom_h4n_pro.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_off00010cc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CC4 | 5352 bytes |
SHA-256: 604a23d1f7214e49432f9c1c59115fed770c6caee60d7e04cc2d9405c88c6fba |
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font_01_sfnt_off00011f06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F06 | 10344 bytes |
SHA-256: a0f7eb6125ce38ce7aa44b5a45c886dc1ae49e49eee334cd3972115e3ed65c10 |
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