MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a fake browser/software-install lure. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://inwebjor.ru/pbw?utm_term=gotranscript+test+answers+march+2020 PDF link annotation
- https://femomupine.weebly.com/uploads/1/3/4/4/134458898/dunajegavalumekuxoga.pdfIn PDF document text
- https://kurepisafigovu.weebly.com/uploads/1/3/1/3/131398088/mexapez-warewu.pdfIn PDF document text
- https://bakavola.weebly.com/uploads/1/3/4/7/134753875/moraxaxi.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4471464/normal_60b4bac7c66dd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486772/normal_5fdb415a38cf2.pdfIn PDF document text
- https://fulimutalez.weebly.com/uploads/1/3/4/5/134599943/2351197.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426690/normal_60686b8c6bab1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416500/normal_604b688a3dd9c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4483388/normal_6000b3c0564f1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422897/normal_6017ad6b4cf74.pdfIn PDF document text
- https://jozudepixivi.weebly.com/uploads/1/3/4/6/134682498/muzuzifosejedusavixa.pdfIn PDF document text
- https://kozegefiseram.weebly.com/uploads/1/3/1/3/131379202/tesiw_dopevati.pdfIn PDF document text
- https://jotigafipalat.weebly.com/uploads/1/3/4/8/134896518/xoxugak_juxeduwuxeme.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367004/normal_604d17b12c2b6.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/cb0e75df-e4e9-45ef-8188-3a5a2bf169bf/juegos_peleas_de_2_jugadores_gratis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/38a68d0c-74ee-4e71-aadf-b67d2a324fa9/what_does_the_wolf_symbolize_in_cherokee_culture.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6921adba-3324-4f7d-9c84-6c634eebf660/99_asmaul_husna_beserta_arti_dan_manfaatnya.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aeb824e6-cfca-4c68-9c4c-bf06dd28b5f7/2000_ford_focus_repair_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6d07efca-29c7-4508-a76a-15a631cff7a0/verbals_gerunds_participles_and_infinitives_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ce1b725f-ff60-495a-bc4a-057d60335bc3/8134656010.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/34c763f4-abb7-4424-86f0-37a8f403df46/zinidegofotibomagiwu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c76fe87-5664-4d0b-b093-70a97af1f964/why_wont_my_mini_projector_work.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/72c48d33-3822-4e3d-83cd-1e09f965c0bc/after_the_burial_wolves_within_lyrics.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8341c773-a9ed-44ef-bb9c-2630757371e7/wusaretiz.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_off00012a27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A27 | 5540 bytes |
SHA-256: e0c8e20b5350b09d49fdf461f617778f3e9edd10c19c7ea20680034a59082185 |
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font_01_sfnt_off00013ce8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CE8 | 12224 bytes |
SHA-256: de4c65bf2da5f1e7db9bc37122ccea8ce53a47a4827051ced957a4ffd30c9f6e |
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