MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous external URIs, many pointing to disposable domains and configured as a link farm, suggests a phishing or malware distribution scheme. The document body is heavily obfuscated and unreadable, providing no direct content clues, but the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicates the document's purpose is to redirect users to a network of potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
Heuristics 5
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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 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://alimentosldm.com/userfiles/file/27326777395.pdf In PDF document text
- http://www.elstar.ru/uploads/files/nenojovoruzisipevirusefi.pdfIn PDF document text
- http://ekouklid.eu/UserFiles/file/liwodew.pdfIn PDF document text
- http://wtmongolia.com/materials/file/mafukasenodawugireri.pdfIn PDF document text
- https://faktxeber.ru/resimler/files/risibitedukerubar.pdfIn PDF document text
- http://kdsonline.org/userfiles/file/15335035485.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/161662f2c782b9---negiz.pdfIn PDF document text
- https://archielectronics.com/userfiles/files/pamiwiji.pdfIn PDF document text
- http://salt17.com/userfiles/files/50271091019.pdfIn PDF document text
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/kokiwulaxowip.pdfIn PDF document text
- https://burgaseguros.com/userfiles/file/ziburebopigozujal.pdfIn PDF document text
- http://yejida.com/userfiles/file/gimanatalarep.pdfIn PDF document text
- http://robfredo.com/userfiles/file/61128816242.pdfIn PDF document text
- http://vekosgroup.ru/userfiles/file/34313646578.pdfIn PDF document text
- https://www.hosotte.com/ckfinder/userfiles/files/lozemezojewubufirugiwedi.pdfIn PDF document text
- https://santa.sg/images/users/00000000/files/70403794196.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/tigaliranijoxiduzudotati.pdfIn PDF document text
- http://agt.es/files/galeria2/files/63646409159.pdfIn PDF document text
- http://wuxihemei.com/ckfinder/userfiles/files/20211003_024244.pdfIn PDF document text
- https://sibirprokat.ru/ckfinder/userfiles/files/14736012378.pdfIn PDF document text
- http://border-collie.ru/sites/default/files/file/61214925869.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/u93b1khafmkdvc7m6nc1u6ta8c/vudipoduguvuxab.pdfIn PDF document text
- https://bolahijau.com/contents/files/32675502708.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/896FEnmJZlk/uplcv?utm_term=what+happens+to+particles+when+a+solid+meltsPDF link annotation
- 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_off0000d34c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD34C | 16188 bytes |
SHA-256: b80542d338773ba98a6c30d47d67ad7306ff3f04ccd0f4ac30134fdb33d2b450 |
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font_01_sfnt_off0000fd2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD2E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011545.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11545 | 10860 bytes |
SHA-256: 00d7f0afa3e7218735cf0945e6931fd2d3540436484012e00ff07425b8e5dbc8 |
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