MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, indicating an attempt to redirect users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests the document's purpose is to act as a link farm, likely for phishing or malware distribution. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://laborke.ru/uplcv?utm_term=game+ppsspp+digimon PDF link annotation
- http://zjqzzx.com/uploadfile/file/2021092011294273499.pdfIn PDF document text
- https://olivier-daulte.com/ckfinder/userfiles/files/dunapidoxiwa.pdfIn PDF document text
- https://fancybox.pamlskovnik.cz/ckfinder/userfiles/files/17729329636.pdfIn PDF document text
- http://www.agenbenangbandung.net/file/96046714465.pdfIn PDF document text
- http://iltorg.ru/upload/file/rokoge.pdfIn PDF document text
- https://global-product.org/CKEdit/upload/files/raruwalanavam.pdfIn PDF document text
- https://fratellifurloni.it/file/rupasexexowoxuratero.pdfIn PDF document text
- https://vibanghanoi.com/uploads/files/98310896542.pdfIn PDF document text
- http://arucax.am/user_images/file/14788159701.pdfIn PDF document text
- https://ipekyolumedya.com/resim_galeri/file/nebukib.pdfIn PDF document text
- http://dj-venci.com/uploads/pages/files/68419827106.pdfIn PDF document text
- https://doina.md/fckeditorfiles/file/54705706123.pdfIn PDF document text
- http://hstechno.com/userData/ebizro_board/file/gusalojoxozoxejujelor.pdfIn PDF document text
- https://sooryasales.com/uploads/file/fowusogugurafugobe.pdfIn PDF document text
- https://apexsafetyproducts.com/ckfinder/userfiles/files/81067255477.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16133b7b4e6f7d---konutet.pdfIn PDF document text
- https://www.osteopathe-montpellier-sud.fr/ckfinder/userfiles/files/xudavafimanemudovopozom.pdfIn PDF document text
- http://www.naturhalles.fr/fckeditor/userfiles/file/64085548872.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/6612fb61aebf17ef68fb8775edd15ab4/15643356921.pdfIn PDF document text
- http://foxadv.net/file/58036481338.pdfIn PDF document text
- http://gtlitalia.com/userfiles/files/28990071559.pdfIn PDF document text
- https://traveletrust.com/basefile/traveletrustcom/files/patosefesokan.pdfIn PDF document text
- https://www.kindspring.org/inc/ckfinder/userfiles/files/4256318894.pdfIn PDF document text
- http://xn--q20b13r9leepaeb.net/upload/file/202109062248460511.pdfIn PDF document text
- http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/podililukupubedod.pdfIn PDF document text
- 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_off0000be3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE3E | 10528 bytes |
SHA-256: 2cb235da0ac0f84de4c46d36d7020d664b829171973b9384509ad99759c06fdc |
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font_01_sfnt_off0000d5ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5EF | 16968 bytes |
SHA-256: 299c88a6effa973f06572b937241f804addfd546fb33c01177940284b7d3dd2b |
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font_02_sfnt_off00010216.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10216 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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