MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of external links pointing to other PDFs, characteristic of a link farm designed to obscure malicious intent. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic and the presence of numerous unknown URLs strongly suggest a phishing or malware distribution attempt. The ClamAV detection further confirms the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://sure2trips.com/bot/ckfinder/uf/files/bifevavivuvirojo.pdf In PDF document text
- http://test-immo.com/file/88906903807.pdfIn PDF document text
- http://ttccid.com/userfiles/file/mukogapiz.pdfIn PDF document text
- https://nulifeus.com/~nulife/userfiles/file/zenikibapo.pdfIn PDF document text
- http://nebovsem.ru/app/webroot/files/files/vitipur.pdfIn PDF document text
- https://apc-algercentre.dz/ckfinder/userfiles/files/12695750711.pdfIn PDF document text
- http://benthanhsgfarm.com/images/uploads/files/30341548155.pdfIn PDF document text
- https://mysilo.com/upload/ckfinder/files/70319210574.pdfIn PDF document text
- https://xaydungdonggia.com/app/webroot/files/images/pages/files/laludekinaxefurezitoj.pdfIn PDF document text
- http://azseal.net/uploads/userfiles/file/lifagosemavaro.pdfIn PDF document text
- https://johanbjerke.se/userfiles/file/dogazepulekep.pdfIn PDF document text
- https://ms02bet.com/contents/files/toranej.pdfIn PDF document text
- https://kiofruits.com/admin/uploads/files/788394388.pdfIn PDF document text
- http://mrpennarak.com/user_file/file/foperofade.pdfIn PDF document text
- https://guineaservicesproviders.com/gsp/files/kaxel.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/161378197c8091---fofotusasuxofebomubilil.pdfIn PDF document text
- http://mbfeed.vn/upload/files/wibapizimu.pdfIn PDF document text
- http://www.haztartasigepszakuzlet.hu/pics/file/72963167292.pdfIn PDF document text
- http://cserepakciok.hu/xdata/file/59773809987.pdfIn PDF document text
- http://jmyhship.com/uploadfile/files/vodalodal.pdfIn PDF document text
- http://marathon-gexin.com/Uploadfiles/files/39870574405.pdfIn PDF document text
- http://dydlhx.com/upfiles/file///pedamuzuju.pdfIn PDF document text
- http://kaus21.com/userData/board/file/tinifupobewik.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=how+can+i+see+profile+visits+on+instagramPDF 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_off0000d4b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4B5 | 10964 bytes |
SHA-256: 68cd1aa2009074767aa97f417b36cd9f1e8645b6f075b0a65e434bf394947cc7 |
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font_01_sfnt_off0000ee2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE2B | 18668 bytes |
SHA-256: 1383f513bd87073cda1e6e7bc85246cfec344f6e6048709d95222a963b7daab4 |
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font_02_sfnt_off00011e60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E60 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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