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. Heuristics identified it as a link farm on disposable hosting, with numerous embedded URLs pointing to PDF files, suggesting a phishing or malware distribution scheme. The presence of a 'download button' lure further supports this. No scripts were extracted, but the overall structure and URL patterns are indicative of a phishing campaign aiming to trick users into downloading malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://cuacuonbinhduong.com/upload/files/27922210140.pdf In PDF document text
- http://wintec-samu.hu/uploads/files/defigurix.pdfIn PDF document text
- https://torgradio.ru/new/files/file/91435664636.pdfIn PDF document text
- http://studiolaviano.it/userfiles/files/zidizapiluvaxa.pdfIn PDF document text
- http://open.ua/uploads/ckeditor/files/duvuvuxuvaxupofipasu.pdfIn PDF document text
- http://gaia-onlus.org/userfiles/file/jurirenejakew.pdfIn PDF document text
- http://szyoujin.com/UploadFile/file/20210904093040675.pdfIn PDF document text
- http://alhouti.com/userfiles/file/pexoxemolodobevininajo.pdfIn PDF document text
- http://another-partner.morefriendship.com/upload/files/pavofitami.pdfIn PDF document text
- http://ximangsongthao.com.vn/app/webroot/uploads/files/88073614480.pdfIn PDF document text
- https://acavacecio.it/userfiles/files/xupazanomu.pdfIn PDF document text
- https://etadelloro.it/images/file/kikeseg.pdfIn PDF document text
- http://carywinslowlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/55696400041.pdfIn PDF document text
- http://onsijsselstein.nl/userfiles/files/44687086676.pdfIn PDF document text
- https://mbzgogo.xyz/web/img/podborky/files/mixevosinapajevopopu.pdfIn PDF document text
- http://euro-ex.com/images/blog/file/joxow.pdfIn PDF document text
- http://skomi.ru/img/files/file/6431381852.pdfIn PDF document text
- https://grupo-kayros.com/userfiles/file/tapujenigirunagid.pdfIn PDF document text
- http://enslev-anlaegsservice.dk/userfiles/file/16222171427.pdfIn PDF document text
- http://eventologia.com/userfiles/files/87966616235.pdfIn PDF document text
- http://club-integra.ru/userfiles/file/18297150430.pdfIn PDF document text
- http://chugguwang.com/files/fckeditor/file/zisusanan.pdfIn PDF document text
- https://spirit-legend-enterprises.com/webroot/editor-uploads/files/1907592286.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16132e0e94babc---nikutovameposudepo.pdfIn PDF document text
- http://www.reeder.ee/files/filemanager/99152865209.pdfIn PDF document text
- https://motelandratecuci.ro/userfiles/file/tulugategexikojuwojim.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/2b6bd80d7fec639a7134e8fa16da11a6/86259008192.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=mr+x+full+movie+download+480pPDF 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_off0000e314.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE314 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB2B | 11148 bytes |
SHA-256: 2d51b88a2a620213b387dd0a334bc323a986ee42f231ee1fed9a9b8dafc10bb9 |
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font_02_sfnt_off0001153c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1153C | 17284 bytes |
SHA-256: 45ee4d09ce9c9046648b9548edec4022e230ac5f77606766d62b1c43c8da1c72 |
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