MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or SEO manipulation tactic. The primary URL, 'https://zajinet.ru/wix?keyword=blue+planet+the+open+ocean+worksheet+answers', is likely part of this scheme to drive traffic or host malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://zajinet.ru/wix?keyword=blue+planet+the+open+ocean+worksheet+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4366035/normal_602634c9309b5.pdfIn PDF document text
- http://muriwilosakud.iblogger.org/59394813122.pdfIn PDF document text
- http://midarujiwuvi.mygamesonline.org/kenmore_elite_microwave_model_721_light_bulb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483864/normal_603ea3aa5ab8c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384155/normal_5fe224aadd3d1.pdfIn PDF document text
- http://vamefegali.mywebcommunity.org/58879553896.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/womirofop/google_chrome_installer_for_laptop.pdfIn PDF document text
- https://43081b45-6e48-4b43-b724-9328fda377ae.filesusr.com/ugd/26481d_00e513fb3bbe456798f90db5521242b6.pdf?index=trueIn PDF document text
- http://bagitokukuwulo.epizy.com/ceneval_guia.pdfIn PDF document text
- https://1237a3da-0b33-4890-9ba9-974507bf2590.filesusr.com/ugd/3e0cb9_d392a59e24ea4a8e810c2e948c0ca605.pdf?index=trueIn PDF document text
- https://a91873a8-1f5b-4151-915d-af39eb211f25.filesusr.com/ugd/3f80ec_373798fd2fb54380963859f9a7ca800a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jiwisi/zubawapisowixadogo.pdfIn PDF document text
- http://negikapivipen.epizy.com/adagio_albinoni_sheet_music_cello.pdfIn PDF document text
- https://22fea36a-5e19-4af1-b4aa-fe6e1efe0ee9.filesusr.com/ugd/b5a188_416dd766d4244b2d875e6a8b96c90822.pdf?index=trueIn PDF document text
- https://f421159b-d329-41e8-bc42-072bc93e4c50.filesusr.com/ugd/65d6f7_979e0d3466fb49ada6473ad14c3d7e37.pdf?index=trueIn PDF document text
- https://969948a0-d7f7-4827-958e-a3856fee42d4.filesusr.com/ugd/9d40bc_8d5f789f9a31493eb55009e17a8f87c2.pdf?index=trueIn PDF document text
- https://4a31e3f8-49e3-4331-b1a9-c0bb7a6b9dbc.filesusr.com/ugd/599f1c_695ad1cb44aa45269a3c7633ebc19852.pdf?index=trueIn PDF document text
- https://ca108e69-7b6b-43f0-8f16-d96ebeb8a33d.filesusr.com/ugd/79e0dc_3c4d41841046461995272328228bb60f.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f98a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF98A | 2828 bytes |
SHA-256: 85b692c1c636aed9ab1240d2a7361179fdd6c0849396a06064984f922e967b4f |
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font_01_sfnt_off00010384.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10384 | 5224 bytes |
SHA-256: ebec78f35b3bfe1030b6aa503eca43376e52f661c079b205c151e63a3e3458ba |
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font_02_sfnt_off00011555.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11555 | 11052 bytes |
SHA-256: 02c2acc71f87cbc2b42e724a2893ddc980a473de33219cbd09b8f7e68d9c0f5e |
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font_03_sfnt_off00013b53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B53 | 16092 bytes |
SHA-256: 39b2f4b99ee08965fd4836f89f628a00cde8346cb181131bba0308e80db8fb67 |
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