MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which are hosted on disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a link farm, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://chcial.ru/uplcv?utm_term=guitar+apk+mod PDF link annotation
- http://bhk-aindling.de/userfiles/files/gikepariwelufaze.pdfIn PDF document text
- http://eternaseguros.net/files/files/kukadesesarodijefasodan.pdfIn PDF document text
- https://laplacedesstores.com/upload/file/xugojemekufalevamus.pdfIn PDF document text
- https://keiba-like.biz/js/ckfinder/userfiles/files/zunomixojezilofaxunarize.pdfIn PDF document text
- https://superpackeg.com/userfiles/file/bodapidajowod.pdfIn PDF document text
- http://velisend.ru/photos/file/lemasarutubawetalibe.pdfIn PDF document text
- http://www.salpasafarit.fi/tiedostot/files/57777825979.pdfIn PDF document text
- http://oticonshop.net/ckfinder/userfiles/files/47439486541.pdfIn PDF document text
- https://ms2gacor.com/contents/files/38976170784.pdfIn PDF document text
- http://poliinc.com/upload/files/laxixewegizumigirogu.pdfIn PDF document text
- http://janjoling.com/public/ckfinder/userfiles/files/lijitotetenitor.pdfIn PDF document text
- http://xn--80aa5alfu.kz/file/korogir.pdfIn PDF document text
- https://inprovitecuador.com/ckfinder/userfiles/files/xirokesekuzugasixizut.pdfIn PDF document text
- http://hoteldarim.ir/basefile/hoteldarimir/files/dadamasewud.pdfIn PDF document text
- http://www.reeder.ee/files/filemanager/2245902443.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/kigutipem.pdfIn PDF document text
- https://renewone.de/files/rogaroxewalebogodas.pdfIn PDF document text
- http://www.egavilanes.com/ckfinder/userfiles/files/84762243140.pdfIn PDF document text
- http://musicpark-live.de/userfiles/file/11314254982.pdfIn PDF document text
- http://uran-berlin.com/userfiles/file/zudotuwamenizaferoj.pdfIn PDF document text
- https://al-wesam.com/userfiles/files/76370746768.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161341883e8bef---pomigazutoj.pdfIn PDF document text
- http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/zamatavamawobuduwug.pdfIn PDF document text
- https://www.phuketvillarentalandservices.com/ckfinder/userfiles/files/zokuwosagegofile.pdfIn PDF document text
- http://traktorpulling.de/ablage/userfiles/files/nixazepasizurobitasasida.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_off0000d7a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7A1 | 17284 bytes |
SHA-256: 42c00265308dba49f6473cfe97824cbd61280ab0927571b9faddae1bcf781592 |
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font_01_sfnt_off00010471.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10471 | 10332 bytes |
SHA-256: 515654f26da22b31f185b168369040caf258c0076804cc56a7df5ac42987f2a8 |
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font_02_sfnt_off00011bc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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