MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable domains, suggesting a link farm designed to distribute malicious content or phish for information. The document body, though heavily obfuscated, appears to be a lure for 'Tcs aptitude test papers with answers pdf free download'. The presence of external URIs and a high ML classifier score indicate malicious intent, likely to redirect users to phishing or malware download sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://maypoin.ru/award?keyword=tcs+aptitude+test+papers+with+answers+pdf+free+download PDF link annotation
- http://vorakumezaxof.mygamesonline.org/real_life_korean_conversations_for_beginners_free_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411001/normal_600d436e09317.pdfIn PDF document text
- http://bobixina.getenjoyment.net/how_to_pronounce_chocolate_in_arabic.pdfIn PDF document text
- http://wijasagasipode.getenjoyment.net/47317412988.pdfIn PDF document text
- http://mufajaku.medianewsonline.com/ravel_gaspard_de_la_nuit.pdfIn PDF document text
- http://zokiwedilar.mypressonline.com/9900689048.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416318/normal_60161210d87b7.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://1cbf0fd9-62af-4102-a3dc-982f361539e7.filesusr.com/ugd/bfbc46_17191a1212f146168cd8aa2161fd32bd.pdf?index=trueIn PDF document text
- http://bavajozobe.epizy.com/kinemaster_pro_chroma_key_app.pdfIn PDF document text
- http://zevizajezu.epizy.com/zupusowafejozemajonati.pdfIn PDF document text
- https://de99c131-68bf-4271-bcef-cda292486844.filesusr.com/ugd/f5892c_bfc7a5f5a5a545e29af0bf52868b18f0.pdf?index=trueIn PDF document text
- https://aca292c6-a3ee-4c96-b4c9-db15c8eca1b9.filesusr.com/ugd/cd1d52_1fd91b3ee948462dafee8bb72e5cfdce.pdf?index=trueIn PDF document text
- https://f3ea461b-95fd-44cf-949c-5afda193840f.filesusr.com/ugd/a48928_025ef1a52a7b4ce3b217e3c589099143.pdf?index=trueIn PDF document text
- http://sedozod.rf.gd/vbspu_time_table_2019.pdfIn PDF document text
- http://zuvubisenegazi.epizy.com/jufivusoloxulofabibajudav.pdfIn PDF document text
- https://aed022ca-8a9d-452d-9022-56a74a585a14.filesusr.com/ugd/4d548e_fd69c637986c49689b34a47785c1f448.pdf?index=trueIn PDF document text
- https://d6d3a1c5-32ce-46e9-ae92-c5b8d84d65d9.filesusr.com/ugd/a3b54b_442c5766481f4433a3929cb0ada1688e.pdf?index=trueIn PDF document text
- https://507d1b22-ea03-4061-a262-f79425337ca2.filesusr.com/ugd/a374b9_8a750dd424694a319d3a7de5b679a558.pdf?index=trueIn PDF document text
- https://9d3edb37-11ce-4d87-b861-4f8d850d55a0.filesusr.com/ugd/0d2aa0_0f603e1380944f07a1f1cc1161e8c648.pdf?index=trueIn PDF document text
- http://solivafimir.epizy.com/58438614518.pdfIn PDF document text
- https://992bddda-184d-467f-a815-0165b41a2208.filesusr.com/ugd/69695d_07bc2b0a38274007aab31faa012a2944.pdf?index=trueIn PDF document text
- https://7f3dc8b3-869c-44c5-82eb-14ae88d57796.filesusr.com/ugd/dc4ca1_8c9eb50d4e844cffaf14c78b4abae789.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_off00011130.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11130 | 5284 bytes |
SHA-256: 486b689ca618881d8a10da082641af6cfd799af79e8df55cc500c7deeeda7b2e |
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font_01_sfnt_off00012336.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12336 | 11280 bytes |
SHA-256: fb071cf05cdffc88a05db98d8610394a759b7540ec95c538e729b7e6d7a37344 |
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