MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of embedded JavaScript and numerous external URIs, many hosted on disposable domains, suggests a phishing or scam lure designed to redirect users to download further malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating a link farm structure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 7
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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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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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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 https://cartolmania.it/file/44920845811.pdf In PDF document text
- http://machulski.com/public/file/zozekipexupirabukupuzu.pdfIn PDF document text
- http://richmediahouse.com/admin/uploads/file/bosobarebowadupesakipibu.pdfIn PDF document text
- http://teplorium.su/userfiles/file/52056374957.pdfIn PDF document text
- http://n2nnetworks.com/files/others/dekofomatobulikasapanip.pdfIn PDF document text
- https://advik.net/userfiles/file/topelulaguteduwikaxogolib.pdfIn PDF document text
- http://bigyikesmedia.com/home/xtremweb/public_html/consultinstitute/web/upload/files/mowixixika.pdfIn PDF document text
- https://sambelteri.com/contents/files/rururexugukux.pdfIn PDF document text
- https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/16403031026.pdfIn PDF document text
- https://rendszergazda-cegeknek.hu/ckfinder/userfiles/files/14912314544.pdfIn PDF document text
- https://linardi.ru/files/file/puxokux.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/8senhkpe01s1tf8u70svujbcc4/13978443477.pdfIn PDF document text
- https://rrrc.us/userfiles/file/37198688833.pdfIn PDF document text
- https://italvaping.com/file/siwifusogiwo.pdfIn PDF document text
- http://espacioschillout.es/images/admin/file/22476379652.pdfIn PDF document text
- http://premiumcsp.com/uploads/files/52625786814.pdfIn PDF document text
- http://tuvanthanhlapcongty.biz/upload/ck/files/35465769353.pdfIn PDF document text
- https://www.babetravelling.com/ckfinder/userfiles2/files/69053525039.pdfIn PDF document text
- http://market-oborudovanie.ru/upload/file/77756848994.pdfIn PDF document text
- https://bestcoloringpages.com/userfiles/file/5846403106.pdfIn PDF document text
- http://soupworld.de/upload/file/30400736543.pdfIn PDF document text
- https://cartolmania.it/file/zamedosasojuzapujigevube.pdfIn PDF document text
- https://safewatersolutions.in/ckfinder/userfiles/files/83610433615.pdfIn PDF document text
- http://wwm-quanta.com/upload/files/59202357272.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161414670b3b95---rugeb.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/zatipabumumexolojowopiteb.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=english+words+starts+with+nPDF 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_off0000dd5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD5F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f576.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF576 | 10464 bytes |
SHA-256: 76d4ebea935472e36e00bba5505482705d44076bbde60a15b23a1983517c86b8 |
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font_02_sfnt_off00010cef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CEF | 17272 bytes |
SHA-256: 2691e02b1cf49274d43c4b3a31d34ae4c446975e22c0e5352c4d0801fa3cb6f3 |
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