MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs pointing to a large number of distinct, disposable domains, indicative of a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a tactic to obscure malicious activity. ClamAV detection and ML classification confirm the malicious nature of the file, likely used as a lure for phishing or to distribute further malware. No scripts were extracted, but the structure points to a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 5
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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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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://wib24-admin.de/uploads/file/66031279271.pdf In PDF document text
- http://beverleyannes.net/home/beverley/public_html/ckfinder/userfiles/files/12051016925.pdfIn PDF document text
- http://whatcanidoforyou.eu/publish/file/zutudimegoraridimubiru.pdfIn PDF document text
- http://puntolinea.org/userfiles/files/lagurevabugudojujesof.pdfIn PDF document text
- https://cristalparkhotel.com.ve/ckfinder/userfiles/files/xijejuvutabakasipufe.pdfIn PDF document text
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/27133986397.pdfIn PDF document text
- http://ballmillfactory.com/d/files/vavatexebojugi.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/16154471412b31---fugonabunex.pdfIn PDF document text
- http://abwhopewell.com/uploads/files/68087884320.pdfIn PDF document text
- https://jogamiskolc.hu/ckfinder/userfiles/files/kutadide.pdfIn PDF document text
- http://tobn56.com/UpFiles/file/lanekameku.pdfIn PDF document text
- http://handsonmontessoripk.com/userfiles/files/91433495408.pdfIn PDF document text
- http://ediliziaunoaventi.com/userfiles/files/65207112699.pdfIn PDF document text
- http://aligokdemir.com/resimler/files/99921160450.pdfIn PDF document text
- http://ptktent.ru/userfiles/file/80291653985.pdfIn PDF document text
- http://vigen12.com/userfiles/file/70886523103.pdfIn PDF document text
- http://naviway.su/upload/files/25817540588.pdfIn PDF document text
- http://szyqjsj.com/UploadFile/file/20210907104551103.pdfIn PDF document text
- http://haiqi-machine.com/d/files/96199602795.pdfIn PDF document text
- https://inc.pamlskovnik.cz/ckfinder/userfiles/files/85822608455.pdfIn PDF document text
- https://demideopool.ro/ckfinder/userfiles/files/26270727382.pdfIn PDF document text
- http://aedelsur.com/contenido/files/41250664401.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16135dc35ca37d---mipetevijururusotusok.pdfIn PDF document text
- http://indemo.pl/Image/files/64621592056.pdfIn PDF document text
- http://quaretti.it/userfiles/files/lawusifivirefege.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=1+2+3+4+5+subsetsPDF 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_off0000bddc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDDC | 17440 bytes |
SHA-256: 90d23f900be74d7b8bb1d18d4f8b2e6a1b92623e3bb83ced3ab5ea2f880aa89e |
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font_01_sfnt_off0000eafc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAFC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010313.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10313 | 10176 bytes |
SHA-256: d08dc8d57772d6d2b914107410fb54466e107271a9e830a3d106729c6265eaa8 |
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