MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, containing numerous external links, with one prominent link pointing to `https://jumiwimov.ru/strik`. This suggests the document is designed to redirect users to potentially harmful content or phishing sites, aligning with a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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/strik?utm_term=what+education+is+needed+for+operations+managers PDF link annotation
- https://lasapiboxemifol.weebly.com/uploads/1/3/4/8/134865682/9194090.pdfIn PDF document text
- https://wufikasuruxur.weebly.com/uploads/1/3/1/6/131636700/bexuxavovopub.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/rodiligarexo/56790821069.pdfIn PDF document text
- https://ca6b24e6-01cd-4368-a310-1df05077a315.filesusr.com/ugd/11b39a_fb0316fd91534ee2854abda6179fd466.pdf?index=trueIn PDF document text
- https://dbb1fad9-9c05-458f-9e32-bc0b7f65d7ec.filesusr.com/ugd/451461_73aaf4aaa65a491097d1271a88f0d8b3.pdf?index=trueIn PDF document text
- https://b304dada-1952-41b2-af44-d16a3232bb3f.filesusr.com/ugd/c19c34_a5c81e20f2fa4ce7af3a171584502db9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/86f2e207-3dac-457e-a666-3c8858bbe26f/vekijorixufazim.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cea1fc1d-3c22-4515-a4f2-9521186eeb5d/arris_tm822a_lights.pdfIn PDF document text
- https://s3.amazonaws.com/mogipegi/honda_rancher_es_stock_tire_size.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6bfa9393-489e-4a68-8513-ec4f87ab3230/how_to_extract_sunflower_oil.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2d4b62e7-9478-4d08-87ba-197f64cdea57/what_does_bbg_stand_for_kayla_itsines.pdfIn PDF document text
- https://167c8e7b-8160-49a2-a88e-f26749d647c8.filesusr.com/ugd/1ad47d_cc0dd7d812dc4724838ac6a919c28d85.pdf?index=trueIn PDF document text
- https://1a6defe7-92a0-4357-8a70-d3bce85d30c9.filesusr.com/ugd/385065_f69f02ca0c25415abd2b377ca30090f1.pdf?index=trueIn PDF document text
- https://14535e1a-360a-4d01-a655-fa33e115c80e.filesusr.com/ugd/b222ea_7e37effa1e184a69adb273b0473220f6.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/ziwuvijevo/life_is_beautiful_malayalam_movie_songs.pdfIn PDF document text
- https://9a4203bb-6ff2-4ef1-9c63-3f113f84a884.filesusr.com/ugd/ea9bdf_e6bcd6eddfc5494abf1051b25ce6ef93.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7dc6aacf-8353-4443-a518-b5caac9b1987/kotiwiwunigisagetawala.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a43dbc80-05d6-40ca-b2b0-9fbc63713061/kodenuperi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/78567c37-a190-46b3-9dc7-ca8bff9229ac/wwz_pc_requirements.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/97e06dff-5bdd-4caa-97cd-de8cb498e4c8/why_is_my_hp_photosmart_7520_printer_offline.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_off0000ee1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE1A | 5552 bytes |
SHA-256: cba3f4960f4802f4607fd2842db5411f2f0435cd157c22a4b346edbeeb341a36 |
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font_01_sfnt_off000100e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100E3 | 10488 bytes |
SHA-256: 32d8742020d9488eaf44bf4ec75154f8dc504f8c4a77448fdd73517b14e1f3f7 |
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