MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, suggests a lure related to 'captions for engagement photoshoot'. The presence of numerous links and the ML classifier's high confidence score indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/strik?utm_term=captions+for+engagement+photoshoot In PDF document text
- https://cdn.sqhk.co/tefozakozup/Cggzmhc/40064229519.pdfIn PDF document text
- https://cdn.sqhk.co/kukisigafumi/VjLjbeu/rnb_music_download_2020_fakaza.pdfIn PDF document text
- http://sagokorize.22web.org/acute_upper_gi_bleed_guidelines.pdfIn PDF document text
- https://cdn.sqhk.co/sirojenu/caUgfSY/godzilla_kong_size_chart.pdfIn PDF document text
- http://pipazodonuwadu.iblogger.org/nepit.pdfIn PDF document text
- http://kurekarer.22web.org/lazasufitarukajitobuvixog.pdfIn PDF document text
- http://rerulekoba.66ghz.com/danupepupabawogurezokas.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/tuxexi/segmented_bar_graph_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/viwoxuz/debt_payoff_snowball_calculator_spreadsheet.pdfIn PDF document text
- http://jefevuxivux.epizy.com/quiz_logo_game_answers_level_spain_2.pdfIn PDF document text
- http://fufebelanamug.rf.gd/12058319009.pdfIn PDF document text
- https://s3.amazonaws.com/nazekisigiduz/assistant_sales_manager_interview_questions_answers.pdfIn PDF document text
- http://feliruxitekul.epizy.com/bal_hanuman_akdam_bakdam_video_song.pdfIn PDF document text
- http://bivadalov.epizy.com/nivemudabonisonefufevi.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e844.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE844 | 6588 bytes |
SHA-256: c6acebe3750ab55c09714fa1b34f6c70ddae3ce202e1a088ffcbc34adab53285 |
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font_01_sfnt_off0000f8be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8BE | 5188 bytes |
SHA-256: 935a66ad462552f15ba9025a28cf91440f4d7042c41af0fc71a91a95d888020d |
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font_02_sfnt_off00010a30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A30 | 2448 bytes |
SHA-256: f33c89ff430dd13fa58e1ca7182cae3eb0dcd5a4957d858a2f3e5543239c1816 |
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font_03_sfnt_off00011515.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11515 | 10640 bytes |
SHA-256: 709e9c9d6e360f7c11b93a82d613f7a0ef89eca29b08d4fe5963dd7f766e4bef |
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font_04_sfnt_off00013960.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13960 | 16168 bytes |
SHA-256: 0216150ac0e5ade23b072752459620ec704bdac01526bfbadd96d51f96873ef3 |
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