MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains heuristics indicating it is a phishing lure, specifically using an image to redirect users to a malicious URL. The embedded URL `https://jacksth.ru/strik?utm_term=partitura+tico+tico+no+fuba+clarinete+pdf` is identified as an SEO redirector for free download phishing. Although no scripts were explicitly extracted, the PDF structure and the nature of the embedded URLs strongly suggest a phishing attempt designed to trick users into downloading potentially malicious content or visiting a compromised site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://jacksth.ru/strik?utm_term=partitura+tico+tico+no+fuba+clarinete+pdf PDF link annotation
- https://nisuwifa.weebly.com/uploads/1/3/1/4/131453943/wixanaxoraxa-sezulaxoxeja-tovetonep-modikoba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420589/normal_5fd8873cd10b6.pdfIn PDF document text
- https://givebuzuwipagin.weebly.com/uploads/1/3/0/7/130775776/sabixavozab.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385417/normal_5ff5a9452d69f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495975/normal_60687acb5cf44.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455642/normal_600a119fe7bac.pdfIn PDF document text
- https://kigokevorusom.weebly.com/uploads/1/3/4/7/134709893/povudabiradip_vurozaj_firobevozege_vojiperaje.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463266/normal_600cf76271442.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447431/normal_5fd2d89675994.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378607/normal_5fe4d7d5b284a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4390092/normal_6006b6119816b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4494417/normal_605fe99ad3d73.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/0710af76-a00a-4cdf-8a75-0160db36aee1/jazumamovekefu.pdfIn PDF document text
- https://s3.amazonaws.com/xesigeze/weminewotojinizuvezapev.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f75592e3-7cc3-424a-8424-b86b7e24e357/tardiness_memo_sample.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/13acf530-7a57-4403-ab97-4576df6c4bd7/68839057580.pdfIn PDF document text
- https://s3.amazonaws.com/gapuruxumeg/rudelupiwogesusoj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/de84a299-205e-4c5b-8a83-d436aebb15be/at_the_mountains_of_madness_summary.pdfIn PDF document text
- https://s3.amazonaws.com/fajujiju/arya_telugu_movie_songs_naa.pdfIn PDF document text
- https://s3.amazonaws.com/zobuwubedak/82253059594.pdfIn PDF document text
- https://s3.amazonaws.com/kavalukato/33699286911.pdfIn PDF document text
- https://s3.amazonaws.com/folexapurilowe/ejemplo_informe_descriptivo_preescolar.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://scripts.sil.org/OFLIn 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_off0000f1a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A8 | 5112 bytes |
SHA-256: 4a4b6012bfd91d8eb319a5d35afd81c11996e9aefa7be16f4d29f44ce70463f8 |
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font_01_sfnt_off00010314.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10314 | 13324 bytes |
SHA-256: f6f9da5fe36692fcb20f12fae6b7eabc76318fc5bbb41f428c9f084904cdb04a |
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font_02_sfnt_off00012dc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DC9 | 16204 bytes |
SHA-256: c988415812f594187b0a0ed75dc52802e798e1695b49bd300f8412a65040a449 |
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