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 a large number of external links, suggesting it's part of a link farm designed to drive traffic to potentially malicious or phishing sites. The document body, though heavily obfuscated, appears to be a lure related to educational materials, aiming to trick users into clicking the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://zajinet.ru/award?keyword=area+compound+shapes+worksheet+answer+key+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4486772/normal_5fd7f6b0a6f79.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419836/normal_601410cc214b2.pdfIn PDF document text
- http://umkatrade.ru/698255976627rvy2.pdfIn PDF document text
- http://5coupon.info/number_theory_and_cryptography_coursera_solutions7v8p7.pdfIn PDF document text
- http://kuxni.su/john_deere_garden_tractors_near_meyueuq.pdfIn PDF document text
- http://winoraama.space/27502090539j8yiv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460263/normal_6025ac9564f88.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405907/normal_6015e1e5769e7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444644/normal_600cfb12c4b93.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470825/normal_60534ce807922.pdfIn PDF document text
- http://hocostyle.ru/brave_souls_mod_apk7zfr1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374843/normal_5fca374e2749a.pdfIn PDF document text
- http://kernig.online/710316353988klcp.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416929/normal_5fde06d0388ef.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483870/normal_604687aa352bf.pdfIn PDF document text
- http://uscreditreport.info/brother_lx_3125_manualnwmi6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4479454/normal_5fe3eb4c28db3.pdfIn PDF document text
- http://usacreditcheck.info/gesikivavidamepodezm0ob2.pdfIn PDF document text
- http://nadahul.ru/boards_and_beyond_step_1_checklist24g1g.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4503279/normal_604f3e2e2e90e.pdfIn PDF document text
- http://esmoney.site/fomebebovawur5tzma.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://050a9d39-d8a1-4107-8be8-b2b70b72e454.filesusr.com/ugd/5262df_c8c83c64c2a24fe9a14f4b6bf210401b.pdf?index=trueIn PDF document text
- https://97d49ff2-d914-4ae4-8ac8-5e5cf5f77cad.filesusr.com/ugd/6350c7_aae67879fb4a46139cc1e4072f658b06.pdf?index=trueIn PDF document text
- https://cc6d8859-fc08-4100-a073-55b48c5addfc.filesusr.com/ugd/238140_e380b9a588bc4000a11656659d63d061.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_off0000f19f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF19F | 5612 bytes |
SHA-256: f0c31c023fb0f218ff49b88399d317d1af90cc02e5cdfa2b670c41e204406e53 |
|||
font_01_sfnt_off000104a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A3 | 12392 bytes |
SHA-256: c137449ac7a35d96c9cc96d19668b51a6c9eb3148a7cef1531df4a65482d9cad |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.