MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and ML classifiers, exhibiting characteristics of a phishing or trojan distribution. It contains a high number of external links, many pointing to disposable domains, suggesting a link farm or downloader pattern. The presence of embedded URLs and the PDF_RANDOM_URL_LINK heuristic further support the conclusion that this document is designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://olguanaokulu.com/upload/file/zikejudon.pdf In PDF document text
- https://ceramicasvillaflor.cl/UserFiles/File/31748330651.pdfIn PDF document text
- http://lngpetro.com/userfiles/file/geteritosipetilaperokir.pdfIn PDF document text
- http://idrogastermoclima.it/Utentifile/FCKPage/file/70352503899.pdfIn PDF document text
- http://dreiseengrundschule.de/files/todosamo.pdfIn PDF document text
- http://ambulatorioveterinarioscapindandrea.it/userfiles/files/43046761825.pdfIn PDF document text
- http://cloudinfo01.smartevolve.com/images/ckeditor/files/jifuvatos.pdfIn PDF document text
- http://xn--j1aai7d.xn--p1ai/userfiles/file/japogisudilam.pdfIn PDF document text
- http://mmckno2010.zkosuchdol.info/files/gamilabaz.pdfIn PDF document text
- https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/87830460553.pdfIn PDF document text
- http://upnbkk.com/file_media/file_image/file/jobuzibe.pdfIn PDF document text
- http://aktifithalat.com/resimlerfiles/15581303584.pdfIn PDF document text
- http://wannawwannie.pl/userfiles/file/rijewopajezenexonivonuji.pdfIn PDF document text
- http://rockhousemethod.com/ckfinder/userfiles/files/koxilo.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/tetutodelelederul.pdfIn PDF document text
- http://oembag.com/uploads/files/202109141425075897.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613759a93bc35---81816128879.pdfIn PDF document text
- http://tjsyjdq.com/v15/Upload/file/2021917201052134.pdfIn PDF document text
- https://irish-setter-zucht.info/ckfinder/userfiles/files/19323745699.pdfIn PDF document text
- https://candbco.com/ckfinder/userfiles/files/16505857521.pdfIn PDF document text
- https://ost-fogging.com/upload/files/puwajinupumumadibukuge.pdfIn PDF document text
- https://kurek-rowery.pl/user_pict/file/958741621.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=samsung+smart+tv+remove+preinstalled+appsPDF 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_off0000b100.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB100 | 10976 bytes |
SHA-256: be8ab085198856f07230abe056c17c2879a477cce471097f430631a2ee9e7e12 |
|||
font_01_sfnt_off0000ca38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA38 | 18048 bytes |
SHA-256: 1e27d6501b9dbf2a2a4444e1d4285b39a0783d1affa7ba3d85f3a7cb748e52b1 |
|||
font_02_sfnt_off0000f894.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF894 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.