MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many of which are hosted on disposable domains and appear to be part of a link farm designed to redirect users. One prominent URL, 'https://irlanc.ru/uplcv?utm_term=wreck+it+ralph+2+free+download', suggests a lure for downloading pirated media, a common phishing tactic. Although no scripts were explicitly extracted, the PDF structure and heuristic firings strongly indicate malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://irlanc.ru/uplcv?utm_term=wreck+it+ralph+2+free+download PDF link annotation
- https://majubesar.com/contents/files/xuroweraraluko.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a927e25526---96102774610.pdfIn PDF document text
- https://inijariku.com/ckfinder/userfiles/files/xutagepudani.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/161302dc890e1b---41278772924.pdfIn PDF document text
- http://maslag.eu/userfiles/file/livexugoxejerusevezof.pdfIn PDF document text
- https://rolcsi-bau.hu/userfiles/files/3564148388.pdfIn PDF document text
- https://burragebrothers.com/demo/jolie/beta/userfiles/files/57537524527.pdfIn PDF document text
- http://educasters.co/ckfinder/userfiles/files/kikomuripinubigabuwo.pdfIn PDF document text
- http://trust-law-firm.com/userfiles/file/20210911021147_1008050093.pdfIn PDF document text
- https://tabularasa.lv/sites/tabularasa/uploads/documents/files/pububurizome.pdfIn PDF document text
- http://lngpetro.com/userfiles/file/kewifafomuromawerobikol.pdfIn PDF document text
- http://cy2hand.com/userfiles/9689621673.pdfIn PDF document text
- https://habibitours.com/ckfinder/userfiles/files/62388659122.pdfIn PDF document text
- https://balarampurblock.in/ckfinder/userfiles/files/raseretag.pdfIn PDF document text
- https://vespaclubcagliari.com/userfiles/file/kidaniwa.pdfIn PDF document text
- http://chulatutoracademy.com/chulatutor/ckfinder/userfiles/files/85161966492.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/guxolujibawelenomobez.pdfIn PDF document text
- https://georeno.ca/userfiles/files/sozexisatini.pdfIn PDF document text
- http://silverk.ru/img/lib/file/68730580254.pdfIn PDF document text
- https://cahayaapi1.com/contents/files/51541365296.pdfIn PDF document text
- http://agapetown.net/ckfinder/userfiles/files/dimar.pdfIn PDF document text
- http://ibrahimabuomira.com/ckeditor/ckfinder/userfiles/files/6026659502.pdfIn PDF document text
- https://www.thc.gda.pl/ckfinder/userfiles/files/20199482408.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_off0000cb56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB56 | 18828 bytes |
SHA-256: ea45dc06582c2658568daf80d5d40088eab2f7cdcaa018d8a11db13cbbc99884 |
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font_01_sfnt_off0000fcdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCDD | 10840 bytes |
SHA-256: 5ca74027beb3dcc35dcca89f4b5cd791b97d2929e29e296374aaf81f2026a8d0 |
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font_02_sfnt_off000115ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115ED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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