MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous external URIs, many hosted on disposable domains or pointing to IP addresses. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a link farm, suggesting a phishing or malware distribution scheme. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://cructi.ru/uplcv?utm_term=parallel+space+link PDF link annotation
- http://restavratorstvo.com/ckfinder/userfiles/files/xofugujaxadozobipumuzawa.pdfIn PDF document text
- http://orthodoxvaidikasanghom.org/userfiles/file/45625613590.pdfIn PDF document text
- http://akademibt.com/resimler/files/rilorodow.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16132284dc2054---sebixad.pdfIn PDF document text
- https://www.frontiermea.com/sites/all/libraries/ckfinder/userfiles/files/44806508173.pdfIn PDF document text
- http://xn--aknmedical-yub.com/uploads/file/56984979377.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fffb1acd49---2044418145.pdfPDF link annotation
- http://lyzph.com/userfiles/file/Fl202109041555432586.pdfIn PDF document text
- https://balajitutorial.com/admin/userfiles/file/35038341039.pdfIn PDF document text
- http://mundori.com/js/ckfinder/userfiles/files/16335487686.pdfIn PDF document text
- https://clubesolbra.com/uploads/files/tutatomopenidasal.pdfIn PDF document text
- http://zeminyerkaplama.com/upload/ckfinder/files/45477267601.pdfIn PDF document text
- https://cualuoihoanmy.com/uploads/userfiles/file/78326797311.pdfIn PDF document text
- http://cosonhuath.com/hinhanh_fckeditor/file/mifiradugogidokuzalupetin.pdfIn PDF document text
- http://kaztelcom.kz/ckfinder/userfiles/files/64051067146.pdfIn PDF document text
- http://guss-ex.de/uploads/fck/file/71370615652.pdfIn PDF document text
- http://maxbrio.kr/files/files/xedaviwuwefezili.pdfIn PDF document text
- http://arci-mp.fr/admin/File/tikiru.pdfIn PDF document text
- http://worldsocialistpartyindia.org/ckfinder/userfiles/files/63614117095.pdfIn PDF document text
- http://gramercygrand.ru/files/file/53100528274.pdfIn PDF document text
- https://tecnomatec.cl/upload/file/xapinuzipedinubolufet.pdfIn PDF document text
- http://houstontca.org/Content/uploads/files/36127200671.pdfIn PDF document text
- https://dehaventransportation.com/home/de/public_html/ckfinder/userfiles/files/jominiribagajilefaw.pdfIn PDF document text
- http://www.macrolepidoptera.hu/userfiles/files/wiruwawolukenibigegi.pdfIn PDF document text
- http://cz-synergy.cz/data/file/noxirajelatu.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_off0000facf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFACF | 10240 bytes |
SHA-256: 97f8d933b26b39c184864bf6aed9400f3f8408af814090ed8ec5f7d257278bb4 |
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font_01_sfnt_off000111e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111E0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000129f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129F2 | 19276 bytes |
SHA-256: e4d4a4572ed00b19b4b92d41799d41a09d71de23ba981a66eef8aa47e50da79b |
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