MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV and an ML classifier as malicious, with heuristics indicating it functions as a link farm on disposable hosting. Numerous embedded URLs, many with 'utm_term' parameters, suggest a phishing or malware distribution campaign. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with common phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 https://garglob.ru/uplcv?utm_term=apps+educativas+android PDF link annotation
- http://khachsanmyngoc.com/upload/files/fawubutemagugixan.pdfIn PDF document text
- https://e-ssuances.com/ckfinder/userfiles/files/15593895163.pdfIn PDF document text
- http://krevue.cz/UserFiles/File/kafebidip.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-2/20210902124643608642.pdfIn PDF document text
- http://dakdekkersindex.nl/images/uploads/pevozewolologe.pdfIn PDF document text
- http://pegasomeeting.medcoast.net/ckfinder/userfiles/files/xakelefusazegagu.pdfIn PDF document text
- http://kodemari.info/data/files/gitisenura.pdfIn PDF document text
- https://tnmkor.com/FileData/ckfinder/files/20210909_3A87B36ACC6A7162.pdfIn PDF document text
- http://giaydantuongphongkhach.net/images/news/file/wujegupixome.pdfIn PDF document text
- http://pazarziraat.com/userfiles/file/xeted.pdfIn PDF document text
- http://upservice.expert/admin/ckfinder/userfiles/files/napexaterila.pdfIn PDF document text
- https://alicantea.centralcms.cloud/galeria/files/73323850500.pdfIn PDF document text
- http://manpukuorder.com/uploads/files/wibiroloxewarufidupus.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a3371e5d19---gisus.pdfIn PDF document text
- http://siblom.ru/files/upload/file/volined.pdfIn PDF document text
- https://magicdiscoradio.hu/userfiles/file/39931298025.pdfIn PDF document text
- https://pisangmanis.com/contents/files/kabifagexujunubojero.pdfIn PDF document text
- https://sreekanakananda.com/ckfinder/userfiles/files/duxivewufam.pdfIn PDF document text
- http://oishisushigd.com/uploads/files/xivusif.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/39717e49200821a3b37c16585d4f651e/91963446520.pdfIn PDF document text
- http://bwlpsalisbury.com/uploads/files/1063940505.pdfIn PDF document text
- http://klusjesindex.nl/images/uploads/wogiweferuzuridumeboxaxu.pdfIn PDF document text
- https://mediaget.com/userfiles/files/48542833940.pdfIn PDF document text
- 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_off0000eccb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECCB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E2 | 10608 bytes |
SHA-256: 080eb80578827a0dc2dad5bd2f530ac107e207653e12843f0882ddb44b5d6cee |
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font_02_sfnt_off00011d51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D51 | 17800 bytes |
SHA-256: fcd100c095549f660e2fbf6fecbd6766207e61b456375b6d03fca8f608a6a1e8 |
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