MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links to external PDFs hosted on various domains, with a high-confidence heuristic indicating a link to an algorithmically-generated URL. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. No scripts were extracted, but the structure points to a downloader or redirector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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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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 http://swatimishra.in/uploaded_files/userfiles/files/zazuridanixojakinagup.pdf
- https://markiza-trade.ru/admin/ckfinder/userfiles/files/30365068219.pdf
- https://xn--p3t29jo1ed4o4xw.tw/upload/files/rewapumolugenuwigovusixuv.pdf
- http://paolacaone.eu/userfiles/files/69000226363.pdf
- http://uptindia.com/newsimages/file///dotolumofumexi.pdf
- https://dubaimotorcycletours.com/uploaded_images/files/xuzagaditopurutubo.pdf
- https://zenithoverseas.com/assets/userfiles/files/82690679950.pdf
- https://demo-calson.garment-pro.com/ckfinder/userfiles/files/wisodadabe.pdf
- http://trufeel.com/ckeditor/ckfinder/uploadfile/files/falafit.pdf
- http://samocvet.org/foto/ck/files/10552746282.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139b447067fb---gewofisaxavaniwo.pdf
- https://fleuriste79.fr/ckfinder/userfiles/files/kotofevubijebu.pdf
- http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/39443312634.pdf
- http://ambulatorioveterinarioilprato.eu/userfiles/files/laluxagedeti.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613efed77e700---52242422526.pdf
- http://forter.vn/hinhanh/file/91018641948.pdf
- https://osikovo.eu/webroot/img/content/files/daselikov.pdf
- http://mprime.net/ckfinder/userfiles/files/xaloroturasebirura.pdf
- http://sitoad.com/bbqjoekey/files/202109200834123929.pdf
- http://ambulatorioveterinariovianello.eu/userfiles/files/48134624451.pdf
- https://sharks-cz.cz/images/file/25934951559.pdf
- http://csa.china-led.net/static/editor/ckeditor/ckfinder/upfile/files/bigobafukajitetonupareliw.pdf
- https://cicasoftavukatwebsitesi.demowebsiteleri.com/upload/files/lifasakapar.pdf
- http://golfvillageonline.com/userfiles/file/bodatimudalomezisamod.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=escape+room+movie+watch+online+free
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000111db.bindefa78dcc99b70729c78b710715a5c8571d4a9c549b58533a25825b6a935277d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111DB | 10880 bytes |
font_01_sfnt_off00012ae2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AE2 | 16792 bytes |
font_02_sfnt_off000142f4.bin63d999ba3c7711dc80efd9c4aff6d7e4ed471d0470810d4ede9eb2e7fb46afa7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142F4 | 21380 bytes |
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