MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple embedded URLs, with several heuristics indicating it functions as a link farm on disposable hosting. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to download further malware. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics points to a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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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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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://fivelscope.net/fckimages/noneketojegonubapeno.pdf In PDF document text
- http://uptindia.com/newsimages/file///96794069704.pdfIn PDF document text
- http://hcbarrett.com/user_area/file/wabatoru.pdfIn PDF document text
- http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/19235806504.pdfIn PDF document text
- http://cieplej.pl/imgturysta/file/josojexixu.pdfIn PDF document text
- http://archifolder.com/userfiles/files/jatisodir.pdfIn PDF document text
- http://phutungtdc.com/upload/files/77120263230.pdfIn PDF document text
- http://perchegouet.com/ckfinder/userfiles/files/20865657216.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613dcdc08a599---fozimakuwesazujotigik.pdfIn PDF document text
- http://gzmzwl.com/Uploadfiles/files/69797899671.pdfIn PDF document text
- https://stillwaiting.org/userfiles/file/78626553792.pdfIn PDF document text
- https://educhina.mn/editor/files/pinituvetez.pdfIn PDF document text
- http://aguito.madteam.net/ckfinder/userfiles/files/37244327542.pdfIn PDF document text
- https://www.lire-les-notes.com/ckfinder/userfiles/files/binilorovelubirogeteru.pdfIn PDF document text
- http://unternehmensberatung-hegenbarth.de/userfiles/file/84010099733.pdfIn PDF document text
- https://cahayaapi1.com/contents/files/xixevumekof.pdfIn PDF document text
- http://vanguardhungary.hu/userfiles/file/bezokuxovimofujin.pdfIn PDF document text
- http://zeci.nl/im/image/kubukurivadora.pdfIn PDF document text
- http://liqaa-lb.com/files/userfiles/files/bemonejajo.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/36198192303.pdfIn PDF document text
- https://domilot.com/uploader/files/mozimaxuwaz.pdfIn PDF document text
- http://nhatngungoisaoxanh.com/upload/files/13011334563.pdfIn PDF document text
- http://iccarrentals.com/files/file/vusitivexotugodanubiguk.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=postcode+bowen+hills+qldPDF 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_off0000eacd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEACD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000102e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102E4 | 10580 bytes |
SHA-256: 76f3bd51246577ae96638b92589d46caf0f4d4c03a3a96404d6938a5f2037552 |
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font_02_sfnt_off00011ad3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AD3 | 20404 bytes |
SHA-256: 20fedfcbf45d1b3caa94b2e162120d8a9fab9d51d0c660a51fdab2655cc5c64f |
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