MALICIOUS
66
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier with high confidence. It contains a large number of embedded links, many pointing to external PDF files hosted on various domains, suggesting a link farm or redirection scheme. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating a tactic to distribute links across disposable hosting. No scripts were extracted, and the document body was unreadable, but the sheer volume of external links points to a malicious intent, likely to trick users into downloading further content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 4
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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://iknow.pl/files/file/62839356996.pdf In PDF document text
- https://cargotavio.ru/files/file/41331208787.pdfIn PDF document text
- http://kibunajcc.com/ckfinder/userfiles/files/21665834472.pdfIn PDF document text
- https://kristaldicarlo.com/userfiles/file/gopegepudedivonozepi.pdfIn PDF document text
- http://www.bluewhaleline.com/image/upload/File/27137277688.pdfIn PDF document text
- http://afro-safari.com/upload/files/witepuwigomekodavoxakimu.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615145bb9ca3b---dibitadojemukuba.pdfIn PDF document text
- http://24hnbc.com/assets/ckfinder/core/connector/php/uploads/files/20029910575.pdfIn PDF document text
- http://longchimvac.net/app/webroot/uploads/files/99671524781.pdfIn PDF document text
- http://tmkb.org.tr/ckfinder/userfiles/files/46886759687.pdfIn PDF document text
- http://phamtrangia.com/upload/files/98084034536.pdfIn PDF document text
- http://barahi.com/assets/userfiles/files/45795921543.pdfIn PDF document text
- https://cremyco.com/app/webroot/docs/file/pokavasew.pdfIn PDF document text
- http://vistobrasil.net/uploads/file/79288825305.pdfIn PDF document text
- http://barcabianca.eu/upload/file/lusupadamebudesiten.pdfIn PDF document text
- https://simplehome.ro/ckfinder/userfiles/files/43462140183.pdfIn PDF document text
- https://hongdung.vn/ckeditor/images/files/12794485973.pdfIn PDF document text
- https://nsck-cykelmotion.dk/ckfinder/userfiles/files/dekubasetof.pdfIn PDF document text
- https://firmabudowlanawalczak.pl/web/uploads/files/parexovaxotoretuxusan.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/3cc154ce45d4d3c2f0750dadfe2dcda5/xurukegewolapi.pdfIn PDF document text
- http://tnslib.su/userfiles/files/45431679287.pdfIn PDF document text
- https://lacausedeslivres.com/userfiles/file/97582814796.pdfIn PDF document text
- http://gz-chengeng.com/uploadfile/files/18604408305.pdfIn PDF document text
- https://jin-ji.com/upload/files/75449996712.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=pubg+pc+lite+apk+download+2020PDF link annotation
- http://tes-sys.com/uploads/ckfinder/files/20210910/16312440386281.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_off0000af58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF58 | 14952 bytes |
SHA-256: 578acb887c7a67f5b9e6943d4cdf36405eb405bf6832631aa622512c2c3a06b3 |
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font_01_sfnt_off0000d50f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD50F | 11084 bytes |
SHA-256: 26e81b8824a8c8a7e93b4c5b474e73c2a8366fc1a0ba4d7754a584d9c14659ac |
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font_02_sfnt_off0000eeb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEB2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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