MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with one specifically pointing to a suspicious domain ('coretry.ru') that appears to be part of a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating the document's purpose is to host many links on disposable hosting. No scripts were extracted, but the overall structure and URL distribution suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://coretry.ru/uplcv?utm_term=my+hero+academia+hero+rising+full+movie+free PDF link annotation
- http://hcbarrett.com/user_area/file/10748878538.pdfIn PDF document text
- http://nonstopsushi.com/uploads/files/saxosefopedagukepevav.pdfIn PDF document text
- http://zima.italie-ubytovani.cz/data/file/mazin.pdfIn PDF document text
- http://dilimkebab.com/userfiles/file/towifuxodaxewopixeso.pdfIn PDF document text
- https://al-wesam.com/userfiles/files/viwazivapuz.pdfIn PDF document text
- http://bharatandcompany.in/ckfinder/userfiles/files/37909959105.pdfIn PDF document text
- https://uslugiinzynierskie.eu/eurostyl/photos/file/76948672607.pdfIn PDF document text
- http://www.sudeshnamaulik.com/fckimages/file/wunig.pdfIn PDF document text
- https://beautifulhairstore.com/upload/files/nobaxaxe.pdfIn PDF document text
- https://zhbiotech.com/CKEdit/upload/files/41551833175.pdfIn PDF document text
- http://spec-so.ru/sites/default/files/file/93807508150.pdfIn PDF document text
- http://zap-interactive.com/uploads/files/44268787436.pdfIn PDF document text
- http://savytrading.com/userfiles/file/xonugonurif.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/sjmjehnflsqhef1a0vlpac38fe/zenazubawa.pdfIn PDF document text
- http://orel-trinity.ru/sites/default/files/file/35068471122.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d4668b550c---fomokaradalagom.pdfIn PDF document text
- https://univerosg.com/ckfinder/userfiles/files/wenetegukinimogeni.pdfIn PDF document text
- https://eventpro-kontraktorpameran.com/uploaded/files/wojeduzusot.pdfIn PDF document text
- http://qianxi.cn/filespath/files/20210901005422.pdfIn PDF document text
- https://bczenekar.hu/files/file/vokeserijozilag.pdfIn PDF document text
- https://sklep-pinokio.pl/web/uploads/files/sekelutolobukakituzunoduj.pdfIn PDF document text
- https://xanbiente.de/userfiles/file/dezeguxigapuririz.pdfIn PDF document text
- http://secretinvitation.net/images/files/83359271477.pdfIn PDF document text
- http://webinaris.eu/ckfinder/userfiles/publics/files/21162865987.pdfIn PDF document text
- https://univerosg.com/ckfinder/userfiles/files/43273901346.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_off0000e85e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE85E | 22148 bytes |
SHA-256: b3753f8cbace9ab45a37ee0db25c6498b369a3b26fb9a722ca4c0ae334fedc25 |
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font_01_sfnt_off0001215d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1215D | 11100 bytes |
SHA-256: d9c6bb30bdac9bc757b2acab3d30eece15d8ed4d09d19cd8f3112812e064d86d |
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font_02_sfnt_off00013ae1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AE1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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