MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URLs, with one heuristic specifically identifying it as a link farm on disposable hosting, suggesting a phishing or redirection scheme. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards an attack pattern involving user redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 5
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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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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://medvor.ru/uplcv?utm_term=nviso+apkscan+alternative PDF link annotation
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/dakagalob.pdfIn PDF document text
- https://rajatotogroup3.com/contents/files/90932776944.pdfIn PDF document text
- http://juha.be/_files/file/98340804617.pdfIn PDF document text
- https://agri-mal.pl/userfiles/file/riwofetevowanag.pdfIn PDF document text
- http://elturo.ru/img/upload/files/kigixiwunedovusenato.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/161402fec18acd---73743171793.pdfIn PDF document text
- https://tonymusic.se/UserFiles/files/fopobonoxutolorola.pdfIn PDF document text
- http://summitremodelinginc.com/userfiles/files/481793958.pdfIn PDF document text
- http://osmed.cz/app/webroot/files/files/tawanelo.pdfIn PDF document text
- http://labellebeaute.com.hk/ckfinder/userfiles/files/68153473679.pdfIn PDF document text
- https://floridainvestment.cz/files/file/vawefokakafilun.pdfIn PDF document text
- https://www.tocbirsen.org.tr/ckfinder/userfiles/files/77226646742.pdfIn PDF document text
- https://gagiongvitgiong.com/ckfinder/userfiles/files/43234851749.pdfIn PDF document text
- https://arch.ua/ckfinder/userfiles/files/60254718152.pdfIn PDF document text
- http://akbarestate.com/survey/userfiles/files/9781548600.pdfIn PDF document text
- https://voxel-avocats.fr/uploads/file/In PDF document text
- http://www.hz-kontejnery.cz/ckfinder/userfiles/files/21849487386.pdfIn PDF document text
- http://piqiso.ru/userfiles/file/46980854840.pdfIn PDF document text
- https://brawlcall.jordanadams.com/ckfinder/userfiles/files/45447200852.pdfIn PDF document text
- http://mikomisushi.com/uploads/files/mabefukibeliranesavorosi.pdfIn PDF document text
- http://klm-co.ru/foto/ck/files/10170864472.pdfIn PDF document text
- https://m-isc.com/userfiles/file/17697272193.pdfIn PDF document text
- http://xn--3bsx3iw22bmot.com/filespath/files/20210914093740.pdfIn PDF document text
- https://megacook.pt/site/upload/file/95006031756.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/511ct05fbcttjjce5siigo923j/luzovuvalosasejapalovo.pdfIn PDF document text
- https://reparationmobile.net/userfiles/file/wiginevajijewan.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_off0000ed86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED86 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001059d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1059D | 10504 bytes |
SHA-256: 253c80a4c207aae2f36c90f3ae7f898726547e376e40df85d122c68928f64300 |
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font_02_sfnt_off00011daf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DAF | 18932 bytes |
SHA-256: 2d5768ce4daae7d6b978fa67e43ae758e6f81aeb73a7b639e70eb664c5059597 |
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