MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, with ClamAV detecting it as Pdf.Phishing.Trojan. The file contains a link farm with numerous external URLs, including one pointing to jumiwimov.ru, suggesting a phishing or ad-revenue generation scheme. The document body, though heavily obfuscated, appears to be a lure related to language exercises.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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/award?keyword=les+articles+definis+indefinis+exercices+pdf PDF link annotation
- https://cdn.sqhk.co/jebumujo/F4APji5/26581686903.pdfIn PDF document text
- https://cdn.sqhk.co/vamosopon/hhwjhxB/color_picker_tool_photoshop_shortcut.pdfIn PDF document text
- https://cdn.sqhk.co/rolileduvof/VieLZid/89050859444.pdfIn PDF document text
- https://cdn.sqhk.co/mibupufek/hihekja/extra_life_charity_2020.pdfIn PDF document text
- https://cdn.sqhk.co/jotapepikota/gjeZgcv/cake_cooking_show_oyna.pdfIn PDF document text
- https://cdn.sqhk.co/puxedepobe/jsjhGcm/3352180698.pdfIn PDF document text
- https://cdn.sqhk.co/wifopuzuxiba/x8jagiw/nike_run_club_website.pdfIn PDF document text
- https://cdn.sqhk.co/zufosupiz/AgMgcGl/tap_tap_fish_abyssrium_pole_release_date.pdfIn PDF document text
- http://viteroludobano.mypressonline.com/language_acquisition_definition.pdfIn PDF document text
- http://sokixatov.mywebcommunity.org/what_are_the_different_theories_and_models_of_organizational_behavior.pdfIn PDF document text
- https://cdn.sqhk.co/fapolokid/ih0dKrv/design_home_house_renovation_apk.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/4bcaa249-bf00-4ee3-8a84-3a79aa024ff9/45961856383.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/895d5912-859e-4738-b1b9-500663c5fe63/html_basic_tutorial_in_hindi.pdfIn PDF document text
- https://s3.amazonaws.com/xajowu/a_light_year_is_approximately_answers._com.pdfIn PDF document text
- https://6346cca1-8be9-442e-91e0-e35201572fa6.filesusr.com/ugd/a8c077_421ac5dab4d54fc7a0604a8cb7f24331.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/ponivotigegepub/99259330516.pdfIn PDF document text
- https://s3.amazonaws.com/rojalexipokadaz/7657844432.pdfIn PDF document text
- https://0eaabcdb-938a-45a6-85a3-1a7d796bbcdd.filesusr.com/ugd/8d6d25_9b55ec8ac16c4e30a518b668b72070c6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/dae77efe-12d0-455d-b6b3-b48e14826c41/bigorawe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/05f0e10f-ecd6-4fe9-89aa-2cb04a60c05b/linear_algebra_4th_edition_slader.pdfIn PDF document text
- https://s3.amazonaws.com/dufekifaral/piramide_alimenticia_definicion.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9ccbc86c-fe6e-4f3e-881e-fadcc983e0d4/how_do_you_cook_fish_on_a_weber_q.pdfIn PDF document text
- https://02796127-04ec-4c85-b270-c6f7310ebb18.filesusr.com/ugd/ce0e6d_338c15b28146495a80a0e1c8f292ae40.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_off0000e6a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6A8 | 5156 bytes |
SHA-256: d48ec2f3d9d165848090d3ee3306987396887a485673a16d56fcc4c550e38ed8 |
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font_01_sfnt_off0000f84e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF84E | 12272 bytes |
SHA-256: b66000ccc4f773144f417dc2ed1aa61ffeef8bfda5d78a21b1baf98199d20033 |
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