MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains embedded JavaScript and numerous external URIs, with one heuristic identifying it as a link farm on disposable hosting. The primary purpose appears to be redirecting users to potentially malicious external sites, likely for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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://halongbaycruises.org/upload/files/95048390084.pdf In PDF document text
- http://offerseir.com/basefile/offerseircom/files/nalinobekafajobewowekazim.pdfIn PDF document text
- http://www.anapharmata.hu/ckfinder/core/connector/php/files/lemesegosupodud.pdfIn PDF document text
- http://baggiez.net/userfiles/file/suzurafepij.pdfIn PDF document text
- https://hobbyschuurtje-webwinkel.be/images/userfiles/file/digojujazojazukuzizenuru.pdfIn PDF document text
- http://pcwenhua.com/uploadimg/file/16305425581633871560.pdfIn PDF document text
- https://www.abandassociates.com/ckfinder/userfiles/files/nozikatemixe.pdfIn PDF document text
- https://telorgabus.com/contents/files/xetitesafi.pdfIn PDF document text
- https://sistemagestiondpr.com/userfiles/file/93563022271.pdfIn PDF document text
- https://machinex-machines.com/UserFiles/File/xepiwixejafetolapefinajep.pdfIn PDF document text
- https://fsreloading.com/userfiles/files/33324466219.pdfIn PDF document text
- https://chachachat.info/js/ckfinder/userfiles/files/1777451783.pdfIn PDF document text
- http://abwcoliseum.com/uploads/files/ruvulu.pdfIn PDF document text
- http://fsgpj.com/upfolder/e/files/20210901232644.pdfIn PDF document text
- https://mygoaltv.org/ipp/images/uploads/files/30964581993.pdfIn PDF document text
- http://usagimatur.com/files/others/49586228884.pdfIn PDF document text
- https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/58886303786.pdfIn PDF document text
- http://nguoigiupviec99.com/webroot/img/files/wipufitugujomovoje.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161387e1255d93---97141223760.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16139be2e773a3---72061204692.pdfIn PDF document text
- http://kepco-group.com/uploaded_files/userfiles/files/jadasavat.pdfIn PDF document text
- http://berbun.com/user_img/file/dunaredufaxisizisojofof.pdfIn PDF document text
- http://ahxxzx.com/userfiles/202109/file/83988431135.pdfIn PDF document text
- https://sealordhotels.com/ckfinder/userfiles/files/xejojogunapuselazuvel.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=cinema+apk+laptopPDF 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_off0000c4df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4DF | 16720 bytes |
SHA-256: 8470202a803c2a95ea39bbb0089efbaff3f490698e3e3d3c062575eefb9c4fd1 |
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font_01_sfnt_off0000f019.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF019 | 10268 bytes |
SHA-256: 69e9c5cd77977b3c5b0a53b3d501c47db2f8699f1f59a82f727b675f6f47f496 |
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font_02_sfnt_off0001072b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1072B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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