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 a large number of external links, suggesting a phishing or spamming operation. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a second-stage payload or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://wirheiraten.de/images/file/33673025849.pdf In PDF document text
- http://cungcapbaoduongcuanhatban.com/upload/files/refagawipapukup.pdfIn PDF document text
- http://xn----otbbfbbknchz.xn--p1ai/sadm_files/segojozitixanefuwukafasel.pdfIn PDF document text
- http://ketnoikienthuc.com/upload/files/55002822629.pdfIn PDF document text
- http://carsonpokebar.com/uploads/files/40031827093.pdfIn PDF document text
- https://stpm-sa.com/userfiles/file/nozuzopaladamim.pdfIn PDF document text
- http://elandtour.com/FileData/ckfinder/files/20210907_4CE1D7FE8B40B71D.pdfIn PDF document text
- http://indianspringhomes.net/userfiles/files/17053025739.pdfIn PDF document text
- https://aynadakikemalizm.com/resimler/files/bewevegebajunuruvupavoz.pdfIn PDF document text
- https://revive.fashion/upload/files/jofozidaloxukirajozo.pdfIn PDF document text
- https://acgroupenterprise.com/userfiles/file/84524580629.pdfIn PDF document text
- https://kibledergisi.net/resimler/files/56787400807.pdfIn PDF document text
- https://lifesmart.lifesmart.ro/ckfinder/userfiles/files/18052685697.pdfIn PDF document text
- http://tianlanip.com/filespath/files/20210904030916.pdfIn PDF document text
- http://demo-enriquemora.shopcloud.es/ckfinder/userfiles/files/nufogawuzibedaganeb.pdfIn PDF document text
- http://zrdb-drogbud.pl/Upload/file/88730179404.pdfIn PDF document text
- http://regalmotors-jp.com/js/upload/files/66796152151.pdfIn PDF document text
- http://baggiez.net/userfiles/file/sajujegijowom.pdfIn PDF document text
- http://majortaylorride.info/images/uploaded/file/moloku.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/16138135d019b5---4073231583.pdfIn PDF document text
- https://hondamienbac.vn/userfiles/file/xijekoguwovipoxipa.pdfIn PDF document text
- http://kibunajcc.com/ckfinder/userfiles/files/21665834472.pdfIn PDF document text
- http://wadsoda.com/UserFiles/File/vikagavovedadubuvogufovo.pdfIn PDF document text
- http://app0.linkeo.it/ckfinder/userfiles/files/zudorupozep.pdfIn PDF document text
- https://femagnet.com/upload/edu/article/file/rupiwobotidokufozavifasam.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=registration+code+for+ultdata+for+androidPDF 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_off0000cd9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD9E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e5b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5B5 | 10796 bytes |
SHA-256: 2e46998432ca0109f0c271df8d56ed2e26068c89f77e76ea0d19df8cb97c3ea0 |
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font_02_sfnt_off0000fe7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE7B | 17512 bytes |
SHA-256: 3e9069aee3cca562006371d3e12dcd1c3a0b01bf58af13b5dbd7257b16773675 |
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