MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by both ML classification and ClamAV, indicating a high likelihood of malicious intent. The document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The embedded content, though heavily obfuscated, points towards an attempt to redirect users to external resources under the guise of providing educational materials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://ponafet.ru/award?keyword=class+12+biology+practical+book+pdf+download+in+english PDF link annotation
- https://vapovudinawixe.weebly.com/uploads/1/3/1/4/131437980/4356633.pdfIn PDF document text
- https://vadutebo.weebly.com/uploads/1/3/4/8/134889136/ruzepumav_disobitirex_feritowo_gabisuzan.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489725/normal_5ffcf72fd4c2e.pdfIn PDF document text
- https://cdn.sqhk.co/zotenejek/eYgPYka/ios_core_graphics_tutorial.pdfIn PDF document text
- https://jowapiwinutakun.weebly.com/uploads/1/3/4/3/134365581/af6b0082fc00f.pdfIn PDF document text
- https://xadinizojagum.weebly.com/uploads/1/3/4/0/134016813/daf5d5ba6b9a29.pdfIn PDF document text
- https://xizirujikalowev.weebly.com/uploads/1/3/1/4/131454807/lupuwexiz-demuwopowan-dakujofukagoror-viwip.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381101/normal_60228fa060ab1.pdfIn PDF document text
- https://cdn.sqhk.co/nozesinipi/pg0KjbP/facebook_lite_app_download.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411919/normal_5ff1fb4787449.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://duwamiwimi.rf.gd/80854800230.pdfIn PDF document text
- https://29aa9d28-cc9d-45fc-8d86-3718b5881c84.filesusr.com/ugd/74c34a_d3a23efd03124bbc8a75283ff1c5e3c8.pdf?index=trueIn PDF document text
- http://wizidiz.epizy.com/16713698154.pdfIn PDF document text
- http://ralapiguz.rf.gd/negotiable_instrument_act_1881_in_tamil.pdfIn PDF document text
- https://17851959-1482-4b49-8222-7b7b0c628459.filesusr.com/ugd/3cb679_e22c4c77857d467db16e57022d50b356.pdf?index=trueIn PDF document text
- https://952d9f4b-853a-4e85-af28-23c4d489d487.filesusr.com/ugd/8db125_3c7d00b5093c4938af6a96d4e148e3a3.pdf?index=trueIn PDF document text
- https://0a497e50-07dd-462d-832d-d8678f741a8e.filesusr.com/ugd/5f857b_99606ec9ebd94e16bf65f0ad1d2418f4.pdf?index=trueIn PDF document text
- https://bd7a0a6f-bbfd-49cc-ba41-c3f2778102d9.filesusr.com/ugd/9ea91e_aff6a71b934742b1ac27ce864e561d4c.pdf?index=trueIn PDF document text
- http://pubefanaw.epizy.com/ielts_general_writing_task_1_free_download.pdfIn PDF document text
- http://pipimadural.rf.gd/82184602932.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_off0000edbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDBE | 5904 bytes |
SHA-256: 6224602eda7801ec5f0c18ee8e89ac26fe444efc4dd232031c9b9a9a594b7117 |
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font_01_sfnt_off000101f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101F3 | 10472 bytes |
SHA-256: b17d3ce08deaf15d5e6743aa028c773f08d8b7754eaa707cfd0f94043928bd97 |
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