MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which are hosted on disposable domains, suggesting a link farm or redirection scheme to deliver a payload. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://goodline.by/userfiles/file/99000782484.pdf In PDF document text
- https://go2germany.ru/files/file/43251369140.pdfIn PDF document text
- http://brava-ekb.ru/userfiles/file/mutidapuf.pdfIn PDF document text
- https://fier-forjat-valimet.ro/ckfinder/userfiles/files/dotakanisab.pdfIn PDF document text
- http://suchanekstomatolog.pl/files/file/suwuzuxekupima.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/potif.pdfIn PDF document text
- https://homestayhoian.vn/uploads/image/files/87252358924.pdfIn PDF document text
- http://punaide.com/userfiles/files/95659826512.pdfIn PDF document text
- http://farmaciafoglia.eu/userfiles/files/10597449257.pdfIn PDF document text
- http://jiachuankeji.com/upload_fck/file/2021-9-13/20210913075216668853.pdfIn PDF document text
- https://grupa-energia.pl/attachments/file/6387195274.pdfIn PDF document text
- http://yas-center.ru/userfiles/file/90401179314.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/p59n2c5anbbed2adjui8fbh627/86659427120.pdfIn PDF document text
- http://owv-sad.de/userfiles/files/xekenijijofit.pdfIn PDF document text
- https://cylinder96.ru/admin/ckfinder/userfiles/files/rokadozizulumimubi.pdfIn PDF document text
- https://kalimati.in/userfiles/file/57417505544.pdfIn PDF document text
- http://cochemical.com/upload/files/44551584328.pdfIn PDF document text
- https://thietbigas.net/media/files/82241871367.pdfIn PDF document text
- https://panegovernance.com/ourprojects/chowki/UserFiles/file/41983245690.pdfIn PDF document text
- http://apothepharma.com/upload/files/romuvepusafu.pdfIn PDF document text
- http://fmi.lu/userfiles/files/49834679151.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613729f60499f---42612354391.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=asphalt+8+drift+racing+gamePDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e61d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE61D | 18392 bytes |
SHA-256: a8f4269c64360cc0a265e9c188dfdf14bcf9b82358651f0054654b20264e7bb4 |
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font_01_sfnt_off0001164c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1164C | 11136 bytes |
SHA-256: 058c267685c25e4e87ac8ebd53639ed2c6abb8ddd2a76444e2ac1b7dda294c98 |
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font_02_sfnt_off00012ffd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FFD | 16404 bytes |
SHA-256: e4fe3401c7d34e72296e7b7119c523249f94e332bb87ce4f2ccc6fcb59e5addc |
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font_03_sfnt_off0001469d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1469D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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