MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and is identified as a link farm hosted on disposable domains, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the nature of the heuristics point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://inwebjor.ru/uplcv?utm_term=how+to+get+unlimited+coins+in+hill+climb+racing PDF link annotation
- http://aranykoronakft.hu/userfiles/file/48927883449.pdfIn PDF document text
- http://sheilahancock.net/blogfck/file/lawejorenesemuxo.pdfIn PDF document text
- http://japanbizkorea.com/userData/ebizro_board/file/fimilujakimupebufuteteli.pdfIn PDF document text
- http://medicom.pl/userfiles/file/9364746802.pdfIn PDF document text
- http://www.santabriganti.org/admin/ckfinder/userfiles/files/jaxurejenuzepomade.pdfIn PDF document text
- http://ldksolar-officialliquidation.com/userfiles/files/dugezurafivobul.pdfIn PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/36607385492.pdfIn PDF document text
- http://hgbs.de/userfiles/file/nefewapo.pdfIn PDF document text
- http://tele-klass.ru/i/upload/files/82918230076.pdfIn PDF document text
- http://maekuangudomthara.com/ckfinder/userfiles/files/55002158978.pdfIn PDF document text
- http://ladna.pl/user_images/file/64879740415.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/99855750384.pdfIn PDF document text
- https://santa.sg/images/users/00000000/files/60251844034.pdfIn PDF document text
- https://luiginoiobbi.com/userfiles/file/43824907035.pdfIn PDF document text
- http://www.atccs3.it/atccs3/fckeditor/editor/ckfinder/userfiles/files/75738805177.pdfIn PDF document text
- http://taikenplan.jp/ckfinder/userfiles/files/biterowusivivomilojobade.pdfIn PDF document text
- http://dubilex.com/userfiles/files/90905490892.pdfIn PDF document text
- http://www.focitabor.hu/userfiles/file/regupesototibadozadota.pdfIn PDF document text
- http://keramann.ru/uploads/files/97323971143.pdfIn PDF document text
- https://iwanbim.iwan.co/userfiles/files/30769327432.pdfIn PDF document text
- http://kemnhapkhau.com/upload/files/75073327311.pdfIn PDF document text
- http://autoneza.cz/UserFiles/File/60343078903.pdfIn PDF document text
- http://szerecsengyogyszertar.hu/editor_up/85517679352.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/3c1a7c945a44c9bc891ae6e3374e19f6/vewafijefupibobuforo.pdfIn PDF document text
- https://globalybm.com/ckfinder/userfiles/files/1631314407.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_off0000c1d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1D4 | 11136 bytes |
SHA-256: 656fb4906d1411c7866db0f543fdf1e227fc708890f77a98ee7557afa5bf9515 |
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font_01_sfnt_off0000db66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB66 | 17128 bytes |
SHA-256: 935a942769afe69149d501ae9ae0434229079e6786666d0a53c9025399136557 |
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font_02_sfnt_off00010689.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10689 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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