MALICIOUS
106
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, with a high-confidence heuristic identifying one as an algorithmically-generated URL likely intended for malicious purposes. The PDF is also flagged as a link farm on disposable hosting, suggesting it's part of a campaign to distribute malicious content or phish for information. No scripts were extracted, but the structure and heuristics strongly indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not 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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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://huntic.ru/uplcv?utm_term=pikashow+alternative+app PDF link annotation
- https://windfreeklima.com/upload/ckfinder/files/jutumobidikomijuwurimu.pdfIn PDF document text
- http://quangcaovuanh.com/vietkiendo/upload/file/pejopiziragigavun.pdfIn PDF document text
- https://supermovi.com/userfiles/files/63425061254.pdfIn PDF document text
- http://infinijewelry.com/userfiles/file/35649087482.pdfIn PDF document text
- http://hakasasi.id/userfiles/file/79050172765.pdfIn PDF document text
- http://cn-polylysine.com/d/files/72512040948.pdfIn PDF document text
- https://takipcisec.com/calisma2/files/uploads/57227494270.pdfIn PDF document text
- https://www.hippocratio.gr/ckfinder/userfiles/files/sukudibor.pdfIn PDF document text
- http://ambulatorioveterinariobubiniregini.eu/userfiles/files/32311348471.pdfIn PDF document text
- http://kukubara.com/zdjecia/file/42570747606.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161397e1a64eb7---gedesikanuluj.pdfIn PDF document text
- http://4rrecycle.com/files/file/4874173767.pdfIn PDF document text
- http://mobilenmr.com/files/files/kudunusagizowep.pdfIn PDF document text
- http://serbanindustrialconstruct.ro/uploads/files/96698067554.pdfIn PDF document text
- http://fairfresh.net/assets/admin/ckeditorimage/files/xasodateni.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16138947b1962c---1900964824.pdfIn PDF document text
- https://searchlink.org/userfiles/file/51415716861.pdfIn PDF document text
- https://insp.biz/img/file/68464222289.pdfIn PDF document text
- http://chia4kids.ru/ckfinder/userfiles/files/tefod.pdfIn PDF document text
- http://maskaevlawyer.ru/userfiles/file/33337144512.pdfIn PDF document text
- http://miydz.com/mingyi/images/userfiles/file/turosona.pdfIn PDF document text
- http://eskuvoiiranytu.hu/blog/file/23513532204.pdfIn PDF document text
- http://elrey-uslugi.ru/media/file/jolikibonajagapoxobabofa.pdfIn PDF document text
- http://kryotherapie.net/neu/userfiles/file/foxitiwotupovavawunefazud.pdfIn PDF document text
- http://paneldeconsos.com/userfiles/file/dikifonuper.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c085.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC085 | 10592 bytes |
SHA-256: 3ee030704207f20213758d33a2b0d906130e2cee2322e816d49d84c6a060a1af |
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font_01_sfnt_off0000d8bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8BB | 16936 bytes |
SHA-256: d16ef962b2ba6d7b59a5d9846d3990237503bda63be4299240e1762a27889416 |
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font_02_sfnt_off00010432.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10432 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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