MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many of which are hosted on disposable domains, suggesting a link farm or phishing operation. The presence of a 'download button' heuristic further supports the lure-based attack pattern. Although no scripts were explicitly extracted, the PDF structure and numerous external URLs point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://crewmak.ru/uplcv?utm_term=ib+math+applications+and+interpretation+textbook+pdf+free+download PDF link annotation
- http://anpharma.net/upload/files/sizaxufolaxop.pdfIn PDF document text
- https://kop-trans.pl/uploads/userfiles/files/xazap.pdfIn PDF document text
- http://geometrarontani.it/userfiles/files/55949957825.pdfIn PDF document text
- http://the-bom.kr/upfile/files/39983451917.pdfIn PDF document text
- https://riolisboa.com/images/ul_files/file/mvdcNkAl75p0.pdfIn PDF document text
- http://zanethompson.com/userfiles/file/rakevazizanuzodi.pdfIn PDF document text
- https://gulamanis.com/contents/files/70168195730.pdfIn PDF document text
- https://xn--z4qq44i.xn--kpry57d/upload/actfiles/11273867003.pdfIn PDF document text
- http://carrozzeriardue.it/userfiles/files/73902809161.pdfIn PDF document text
- http://kooijobs.in/ckfinder/userfiles/files/baxele.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/4f64s2ufri6ughdtdr7ihthiq0/47257969141.pdfIn PDF document text
- http://zdrowejaja.com/Upload/file/92466830985.pdfIn PDF document text
- http://ricarda-allegra.de/userfiles/file/mijonumizomegufunaz.pdfIn PDF document text
- http://noxsun.com/jingkelun/userfiles/files/20210914045217.pdfIn PDF document text
- http://avvolodin.ru/upload/file/sajufejinirupog.pdfIn PDF document text
- http://bentleyplemtech.ru/userfiles/file/73322520344.pdfIn PDF document text
- https://tlkingatlan.hu/kepek/other/file/35126809695.pdfIn PDF document text
- http://alcantara.cz/data/file/mebalufax.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16135eb828dcd6---gopivoxomopazuvi.pdfIn PDF document text
- http://motocams.cz/ckfinder/userfiles/files/wakedav.pdfIn PDF document text
- http://hanleyresources.com/images/bofupewojigojinimu.pdfIn PDF document text
- http://jiachuankeji.com/upload_fck/file/2021-9-9/20210909052700958186.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/1v72u0icl3o5uao43b5f7ve873/25235533043.pdfIn PDF document text
- https://alnahamgroup.com/userfiles/file/35864172028.pdfIn PDF document text
- http://findmecakes.com/userfiles/files/26623159329.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_off0000d7ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7ED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f004.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF004 | 11256 bytes |
SHA-256: d6f3b23a8b2469bf5cd1c3302e6284ffa371deb1afd9a0e6e119a738b7036cbb |
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font_02_sfnt_off00010a16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A16 | 19280 bytes |
SHA-256: 9d089f295f0231acd52bbe2f242945e18aa1e43f4de2b2205e428509e9137b74 |
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