MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a heuristically identified link to a potentially malicious PDF hosted on a domain that appears to be part of a link farm. The 'SE_INVOICE_LURE' heuristic further suggests a phishing or scamming attempt. Although no scripts were directly extracted, the presence of external links and the overall structure indicate a phishing attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://ryukatsu.com/userData/board/file/xanami.pdf In PDF document text
- http://salespate.com/userfiles/file/62646897446.pdfIn PDF document text
- http://kanizsakran.hu/userfiles/file/32171084186.pdfIn PDF document text
- http://prmakeup.com/Image/files/47939542219.pdfIn PDF document text
- https://koparieshorvathbusz.hu/files/file/37348772962.pdfIn PDF document text
- https://playerpress.com/ckfinder/userfiles/files/47777270975.pdfIn PDF document text
- http://stimatacasa.eu/userfiles/files/zadifefajomibazefibukiz.pdfIn PDF document text
- http://iwort.de/userfiles/file/48245682222.pdfIn PDF document text
- http://kocavietnam.com/upload/files/7145604999.pdfIn PDF document text
- http://steelbo.com/uploads/admins/u0/files/20210909021946.pdfIn PDF document text
- https://suacuachuyennghiep.com/uploads/files/95763910711.pdfIn PDF document text
- http://vakantie-noordlimburg.nl/ckfinder/userfiles/files/77593443608.pdfIn PDF document text
- http://markfarolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/46681523615.pdfIn PDF document text
- https://smartcrm.cloud/upload/files/xenuwuzomolekosed.pdfIn PDF document text
- http://kompassztuki.pl/Image/files/21744588260.pdfIn PDF document text
- https://chungcungoaigiao.vnpec.xyz/uploads/files/kezokowoli.pdfIn PDF document text
- http://hoitruyengiaocodocvietnam.com/uploads/image/files/95839038931.pdfIn PDF document text
- http://tanphatinst.com/vietkiendo/upload/file/80772765127.pdfIn PDF document text
- http://xedaphcm.com/luutru/files/41983510071.pdfIn PDF document text
- http://xn--22cjbbm2eyae3ehabdb4kqdtae3dxnnc1fhf.com/user_img/files/96758352121.pdfIn PDF document text
- https://bahceneryaman.net/public/content-images/files/36418219289.pdfIn PDF document text
- http://splhardware.com/UploadFile/file/2021090304302873499.pdfIn PDF document text
- https://cowichanseniors.ca/userfiles/file/rivubujusija.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134eb83ae7bc---64501289373.pdfIn PDF document text
- https://childrencareandliteracysociety.org/userfiles/files/94344574419.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=earn+talktime+mod+apkPDF 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_off0000d62f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD62F | 18088 bytes |
SHA-256: 3adbac40ade3c4b081cae53a9af7e323f94b5adef14458326f0a8a5065793f9a |
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font_01_sfnt_off000104d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104D3 | 10460 bytes |
SHA-256: 870732f8642001c50337a32171a4fd0661c03697cf99f38711504692e07756ae |
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font_02_sfnt_off00011c73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C73 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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