MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to potentially malicious sites. The presence of an embedded URI pointing to 'pelibifir.ru' further supports the phishing or malware distribution vector.
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://pelibifir.ru/wix?keyword=hero+strike+3v3+apk PDF link annotation
- https://cdn.sqhk.co/nilesatu/hia7Mgg/angry_birds_movie_2_main_characters.pdfIn PDF document text
- https://ladufuvugekowek.weebly.com/uploads/1/3/4/1/134108614/romuma.pdfIn PDF document text
- http://mkr-olimp.info/surisudojavabutewokob5q4ve.pdfIn PDF document text
- https://gexuzofive.weebly.com/uploads/1/3/4/2/134234570/0bb9484.pdfIn PDF document text
- http://romeoplanet.club/the_art_of_mental_training_summarymsdys.pdfIn PDF document text
- https://cdn.sqhk.co/wimiwupo/vjfzyL2/gogakatejatakubikedo.pdfIn PDF document text
- https://cdn.sqhk.co/xojugako/5ighjjj/duvopopiloduvasega.pdfIn PDF document text
- http://nibelv.xyz/makonolodowitiem3r3.pdfIn PDF document text
- http://udilische.club/19126487161amgzk.pdfIn PDF document text
- http://leafester.online/18373787048bi2fx.pdfIn PDF document text
- https://zazokovorif.weebly.com/uploads/1/3/4/3/134321981/jekitebomajugujexafi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://sutexuvidag.myartsonline.com/how_to_plot_a_gradient_vector_field_in_mathematica.pdfIn PDF document text
- https://99442e0c-e188-470f-b1e9-a2082f9e7f28.filesusr.com/ugd/2274a7_e74ee5fe748e479ba9d390475ad21425.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rubidokezive/angular_bootstrap_template_free.pdfIn PDF document text
- https://s3.amazonaws.com/kukazowox/lamuzurulefokadepaf.pdfIn PDF document text
- https://89f68ddc-9f98-4e60-8afa-3e0ca6603e9e.filesusr.com/ugd/4725f1_5ffc3917946e40708f7df0c68e4124a2.pdf?index=trueIn PDF document text
- http://bilisedutave.myartsonline.com/mp_rojgar_aur_nirman_download.pdfIn PDF document text
- https://fb4bdcd3-28a3-4206-a6c3-fb267f511c23.filesusr.com/ugd/0ad562_38786f7efd2246c5bb08f740a8a2d365.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xiwevitox/sierra_gameking_223_load_data.pdfIn PDF document text
- https://80b2a579-f9ed-4aa0-b91a-ac3c8973c086.filesusr.com/ugd/353d00_7d3e482c2ae942ba92921c3504afd374.pdf?index=trueIn PDF document text
- https://b2f02272-107b-4032-aafc-54cdd6265a16.filesusr.com/ugd/6cf392_00dc66b6fdf8453d9eda171ed609cfab.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_off0000ec10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC10 | 5028 bytes |
SHA-256: b6ee6c432eba91850943785fbfdbc1656314b62d8645b0ce0e3b1c0490644aed |
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font_01_sfnt_off0000fd3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD3D | 11296 bytes |
SHA-256: 42824356282a8080df46b8959097d42415641a30050614d4b4a9a1d5627d9fee |
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