MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a significant number of external links, many hosted on disposable domains, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a phishing or malicious redirection attack, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://pelibifir.ru/strik?utm_term=how+to+stop+jacuzzi+bathtub PDF link annotation
- https://cdn.sqhk.co/lixabanitav/IDjcjc7/asteroid_flyby_october_2019.pdfIn PDF document text
- https://xajakubadom.weebly.com/uploads/1/3/0/8/130874473/warere.pdfIn PDF document text
- https://bupowuxa.weebly.com/uploads/1/3/5/3/135317106/4e314c7ac.pdfIn PDF document text
- https://cdn.sqhk.co/vibisidumes/3gfCeE5/sniper_3d_target_man_texting.pdfIn PDF document text
- https://cdn.sqhk.co/rorajakura/ibAKhg1/kivupanifurejejazajoja.pdfIn PDF document text
- https://mabamigetope.weebly.com/uploads/1/3/4/4/134493328/xofememegopa.pdfIn PDF document text
- https://cdn.sqhk.co/zoxinugokas/1hfjibY/robotics_stocks_under_5.pdfIn PDF document text
- http://penageli.getenjoyment.net/87657509924.pdfIn PDF document text
- http://zumanidoxup.medianewsonline.com/xd_mp3_descargar_musica_gratis_para_celular_blackberry.pdfIn PDF document text
- https://cdn.sqhk.co/bedogipaxog/ZY6Vs8k/16186267956.pdfIn PDF document text
- https://cdn.sqhk.co/sevafeluba/gfjbkge/xobetevoziv.pdfIn PDF document text
- https://cdn.sqhk.co/vanewano/Dmhbhh2/golden_boot_2019_premier_league.pdfIn PDF document text
- https://cdn.sqhk.co/difixoruze/haieAQX/cara_daftar_mysejahtera_check_in.pdfIn PDF document text
- https://nesutidixet.weebly.com/uploads/1/3/4/7/134724555/latijudizexosuroso.pdfIn PDF document text
- https://verevivomilob.weebly.com/uploads/1/3/0/7/130738769/5461955.pdfIn PDF document text
- https://vukibipodut.weebly.com/uploads/1/3/4/6/134690361/zavero.pdfIn PDF document text
- http://gejudoxe.mypressonline.com/what_are_the_benefits_of_juice_plus_boosters.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://bodegifu.atwebpages.com/jojadixivegidoriwonu.pdfIn PDF document text
- http://jokosen.atwebpages.com/head_first_java_8_free_download.pdfIn PDF document text
- https://8b8c7005-3af0-45a1-8e5b-a6902caa9335.filesusr.com/ugd/dbd7d9_959351c3d3ec433185c3f67a6ec9bbc1.pdf?index=trueIn PDF document text
- https://c0cead0d-5248-483d-940e-95cc3acd9bde.filesusr.com/ugd/20d83a_415c955e00904c83b9c62beea5d2837f.pdf?index=trueIn PDF document text
- https://ebed6276-6372-4ddf-adad-9a0fa504b99f.filesusr.com/ugd/805d2a_d88b5f5c928a469fa46c39e0b9c00f41.pdf?index=trueIn PDF document text
- https://aa5f33e9-793b-4807-a257-9eac84d314d0.filesusr.com/ugd/aa57b2_6f4f7b32c13b4a359b227271f82f882d.pdf?index=trueIn PDF document text
- https://f8d4b294-f952-4a11-85e8-0a3036f9bdaf.filesusr.com/ugd/ad8f3a_322df0cc51e44fda9a7cadfb60bcc5cd.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_off00012678.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12678 | 5212 bytes |
SHA-256: 9d41f0d1a54993115575b8f1dfc4205e73dec864fc0fe2ee83701c48446db8d6 |
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font_01_sfnt_off00013848.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13848 | 11456 bytes |
SHA-256: 240aff62a7f7de4b13c3a420cf0190784cfe823228037fb1a7d395ff7a617146 |
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