MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, with a high-confidence heuristic identifying a link to an algorithmically-generated URL, suggesting malicious intent. The ClamAV detection and ML classifier further support its malicious nature. The document's structure and numerous links point towards it being a link farm designed to lead users to potentially malicious content, likely distributed via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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.
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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://sherwoodonionfestival.com/ckfinder/userfiles/files/77842564941.pdf In PDF document text
- https://navoloki.mebel18.com/uploads/files/49591866704.pdfIn PDF document text
- https://www.bakkersvlaanderen.be/resources/plugins/ckfinder/userfiles/0/files/wesaxumumevul.pdfIn PDF document text
- https://eyescare.vn/app/webroot/upload/ckfinder/files/pulemiruvo.pdfIn PDF document text
- https://sayurmateng.com/contents/files/71792162609.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dff33b69f7---23294962059.pdfIn PDF document text
- https://www.hotelrestaurantmacarena.fr/ckfinder/userfiles/files/58697951689.pdfIn PDF document text
- https://limpiezasinasel.com/userfiles/files/80073114418.pdfIn PDF document text
- http://dasbluemchen.com/26870159598.pdfIn PDF document text
- http://af.ssla.ru/images/fornews/files/78666418378.pdfIn PDF document text
- http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/vobadaxewo.pdfIn PDF document text
- https://rocksoliddesigns.biz/userfiles/file/guxitatufejiwi.pdfIn PDF document text
- http://chiaranannini.com/userfiles/files/dedumagodigana.pdfIn PDF document text
- http://we-women.de/default/files/uploads/file/6717085278.pdfIn PDF document text
- http://www.fashiongale.ro/userfiles/files/11049585256.pdfIn PDF document text
- https://www.vasutaszeneiskola.hu/ckfinder/userfiles/files/gowexupozukofejaninez.pdfIn PDF document text
- https://cosanuesa.com/componentes/editor/ckfinder/userfiles/files/gezevosorowifu.pdfIn PDF document text
- http://elazentrale.de/images/uploaded/file/lurivuxomone.pdfIn PDF document text
- http://phamtrangia.com/upload/files/xoker.pdfIn PDF document text
- http://studiovalentini.eu/userfiles/files/pigaxonugotelumusuti.pdfIn PDF document text
- http://www.moyekolodin.com/files/81875495991.pdfIn PDF document text
- http://slovoveri.org/userfiles/tabonitosezaxufolowuga.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=final+fantasy+3+snes+walkthroughPDF 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_off0000e667.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE667 | 16292 bytes |
SHA-256: 0e9c3e0613582213e3cbfee167237e5efc6c79d1a4a8da20af216fa44d7cfcbc |
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font_01_sfnt_off00011068.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11068 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001287f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1287F | 11036 bytes |
SHA-256: 007599095ce90cf8a85e19967d1f1cedec5b40fbd0ce46a7e20fc91e972c4c30 |
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