MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document exhibits characteristics of a malicious lure, including a deceptive download button and callback phishing pretext, as indicated by heuristic firings. The presence of numerous external URLs, many pointing to potentially disposable hosting, further supports a malicious intent to redirect users to harmful content. The ML classifier strongly flagged this PDF as malicious, increasing confidence in this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://studiosaletta.it/userfiles/files/54807017117.pdf In PDF document text
- https://funbugs.ie/userfiles/file/16094724286.pdfIn PDF document text
- http://stevis.cz/files/file/60159198368.pdfIn PDF document text
- http://ggmtc.net/userfiles/files/losewavone.pdfIn PDF document text
- http://aorganboys.handyfriendship.com/upload/files/kuxitepobevafin.pdfIn PDF document text
- https://epgeptech.hu/ckfinder/userfiles/files/xoxupatavawovavetupinen.pdfIn PDF document text
- http://roseeskin.com/userfiles/file/20210916095803.pdfIn PDF document text
- https://slezanie.eu/userfiles/file/bebuwegogu.pdfIn PDF document text
- http://simkoongschool.com/uploads/editer/files/dofagaritozi.pdfIn PDF document text
- https://www.temtechnologies.fr/ckfinder/userfiles/files/tumepowuvirepuzegufalat.pdfIn PDF document text
- http://khiensa.com/UserFiles/File/60080316186.pdfIn PDF document text
- http://allier.proximeo.com/ckfinder/userfiles/files/9955458346.pdfIn PDF document text
- http://preciz.com/uploads/wysiwyg/files/48598026158.pdfIn PDF document text
- http://alexandersorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gisejomazodanu.pdfIn PDF document text
- https://www.ijestr.com/ckfinder/userfiles/files/83539708652.pdfIn PDF document text
- http://himalayakebab.com/shipinc/userfiles/files/89508779338.pdfIn PDF document text
- http://osstemcardiotec.com/files/fckeditor/file/131715193861340b6d0e1ff.pdfIn PDF document text
- https://abss.pt/userfiles/file/vimeseximisivijesitumug.pdfIn PDF document text
- http://tjchenxing.com/filespath/files/20210904120658.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613665897c23e---vogewinatebigamu.pdfIn PDF document text
- http://obedovice.cz/userfiles/file/nubasevumeb.pdfIn PDF document text
- https://kemxoithanhhang.vn/app/webroot/files/images/pages/files/81316912067.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/f4b7e91e190cfb03c5654abfd3ee49a8/jamoginalorode.pdfIn PDF document text
- http://stfurnimart.com/file_media/file_image/file/22356184814.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=avatar+480p+dual+audioPDF 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_off0000dd4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD4E | 19256 bytes |
SHA-256: 3c308b6b21dd0bcba8431af2dd5c102d0b5a211b4f9686eb0d1badc393a90c1a |
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font_01_sfnt_off00010f4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F4E | 10536 bytes |
SHA-256: bf3a4ce991e0661a901cc0344948f2c515fe63b9b4136c485a7947bc9fe101d8 |
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font_02_sfnt_off0001277a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1277A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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