MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or redirecting users. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates the PDF acts as a link farm, pointing to numerous external URLs, likely for phishing or distributing further malware. ClamAV detection as Pdf.Phishing.Trojan further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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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://rowerowaszkola.pl/imgturysta/files/16617482681.pdf In PDF document text
- http://yeongwonenc.com/userfiles/file/jadusuzu.pdfIn PDF document text
- http://sinners-party.de/media/file/ralufefapibudatilusipoxin.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/5dbb2f11e9ee3dc54a60902b24bf9570/fejovuxodujuwupomosoj.pdfIn PDF document text
- http://www.lovebliss.tw/UserFiles/files/bokubogelob.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/11304183558.pdfIn PDF document text
- https://interstudy.net/userfiles/file/guxokadovobimew.pdfIn PDF document text
- http://hysansam.com/fckeditor/userfiles/image/11948301232.pdfIn PDF document text
- https://pasarangroup1.com/contents/files/balabekolufezuvub.pdfIn PDF document text
- https://mavachhaiphong.com/upload/files/25592333340.pdfIn PDF document text
- http://czpohledavky.cz/userfiles/files/zowivopusimo.pdfIn PDF document text
- http://thuonghieutoancau.vn/uploads/files/80188570694.pdfIn PDF document text
- http://rosesrealtyhomes.com/userfiles/files/87171176649.pdfIn PDF document text
- http://nilesk.com/userfiles/file/42890890128.pdfIn PDF document text
- https://suruburi.net/mm/file/93085300992.pdfIn PDF document text
- http://ameshamagazine.com/js/upload/files/warasadebosiwilepapoka.pdfIn PDF document text
- https://needletherapy.eu/upload/file/84124162118.pdfIn PDF document text
- https://prestinieurope.com/userfiles/files/nozatulebuzakage.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16133b6ee5dede---63094591428.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/tagumonutowi.pdfIn PDF document text
- http://meandnetworking.com/ckfinder/userfiles/files/58697455692.pdfIn PDF document text
- http://jmk.kr/ckfinder/userfiles/files/93972057043.pdfIn PDF document text
- http://www.phuongdonggolf.vn/app/webroot/uploads/files/25220793113.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=8+ball+pool+hack+android+1PDF 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_off0000d54b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD54B | 10608 bytes |
SHA-256: 2f9b7b3223aad8be062eb9cb84e05d1c726eb4eddb087610afd74f678b7ff816 |
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font_01_sfnt_off0000ed29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED29 | 16792 bytes |
SHA-256: aaa63c6d2d47b50c1988bd0bfb96f981efd2d2026718bbdaaaf5c5cf0abd0246 |
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font_02_sfnt_off00011814.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11814 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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