MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a high-risk heuristic firing for a random URL link, indicating an attempt to redirect the user to a malicious site. The ML classifier also strongly flagged this PDF as malicious. The primary malicious URL identified is http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/681sb7nua5333bjj5u0o62hlv1/kigiterivujimepaba.pdf, which is likely intended to host a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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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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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 http://hotararicedo.ro/files/files/misofaberopu.pdf In PDF document text
- http://feuerwehr-mittenwalde.de/mediathek/files/99941101831.pdfIn PDF document text
- http://daindnc.com/fckeditor/userfiles/file/fafizofiwaduduzewu.pdfIn PDF document text
- http://csc-vietnam.vn/uploads/userfiles/file/68919233324.pdfIn PDF document text
- http://machulski.com/public/file/84497461493.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/6btp2t1u61q62b2ea7hop3dc0v/31106527483.pdfIn PDF document text
- https://aznamaste.com/ckfinder/userfiles/files/wuvej.pdfIn PDF document text
- http://mycoapaisyl.com/webimages/files/dukiwajagivuzubuzadux.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/rogowubesasasoporemad.pdfIn PDF document text
- http://tareeapartment.com/user_img/files/82800496340.pdfIn PDF document text
- http://aranykoronakft.hu/userfiles/file/75102671362.pdfIn PDF document text
- http://dolphinegypt.net/userfiles/file/bitiwipe.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/84603326526.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/681sb7nua5333bjj5u0o62hlv1/kigiterivujimepaba.pdfIn PDF document text
- http://colafranceschi.it/userfiles/files/gedukitoxuvujamawugurokox.pdfIn PDF document text
- http://hflbdq.com/uploads/file/040825579265.pdfIn PDF document text
- https://unitjaya.com/contents/files/tojetizejirewufakaw.pdfIn PDF document text
- http://www.buildonhope.org/file/xofuzeje.pdfIn PDF document text
- https://kaptenhoki.info/contents/files/gimanurofutewej.pdfIn PDF document text
- http://sun-tes.ru/files/file/gojajirinam.pdfIn PDF document text
- https://fiscconsulting.com/userfiles/file/43303877602.pdfIn PDF document text
- http://technoauto.jp/js/upload/files/70001958867.pdfIn PDF document text
- http://mya1fc.com/files/ckuploads/files/dusabegilonafiwabel.pdfIn PDF document text
- http://eugensa.lt/app/webroot/uploads/userfiles/files/95965762194.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=telecommunication+networks+pdfPDF 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_off0000bb4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB4F | 11024 bytes |
SHA-256: be1087f474a03147a50926b04ba54d6ba819691858632d0e3fedfd4f6ec54929 |
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font_01_sfnt_off0000d4fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4FC | 15692 bytes |
SHA-256: 203d76366caa9c4dcf73e79195024bffb9363f4a71002cf31cbf2065836fc6a0 |
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font_02_sfnt_off0000fcd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCD7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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