MALICIOUS
144
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. The document contains a lure for free downloadable books, which redirects to a suspicious URL (https://resalured.ru/strik?utm_term=download+de+livros+espiritas+em+pdf+gratis). This indicates a phishing attempt designed to lead users to a malicious site, likely for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://resalured.ru/strik?utm_term=download+de+livros+espiritas+em+pdf+gratis PDF link annotation
- http://betmoy56.com/78228971476f7lwk.pdfIn PDF document text
- https://cdn.sqhk.co/zasokolof/ERhebhS/free_printable_daily_planner_2020.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469634/normal_5fc8c068a16e9.pdfIn PDF document text
- http://barajofa.mywebcommunity.org/duwiwumo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4499942/normal_5fcb490557b24.pdfIn PDF document text
- http://betijeduw.getenjoyment.net/2950546889.pdfIn PDF document text
- http://moxegelubopidi.sportsontheweb.net/thesaurus_of_scales_and_melodic_patterns_for_bass.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/wobuzisibal/xunegegugudakijewiruva.pdfIn PDF document text
- https://s3.amazonaws.com/veraxawewib/kuboxaxen.pdfIn PDF document text
- http://ralirajuz.atwebpages.com/google_maps_satellite_street_view_2019.pdfIn PDF document text
- http://duvodix.myartsonline.com/percy_jackson_sea_of_monsters_chapter_12_summary.pdfIn PDF document text
- https://s3.amazonaws.com/xakapudakadu/anthem_blue_cross_prior_authorization_fax_form.pdfIn PDF document text
- https://s3.amazonaws.com/jenisozazewubo/how_much_is_martin_tyler_worth.pdfIn PDF document text
- https://s3.amazonaws.com/lofese/books_of_the_bible_list_kjv.pdfIn PDF document text
- https://s3.amazonaws.com/xepululejiwof/work_self_appraisal_template.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000123d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123D8 | 5300 bytes |
SHA-256: 4445cba75ad414e3de1888725005d3654ce2a34d5e628dc29e240c1c7949fcf6 |
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font_01_sfnt_off000135e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135E0 | 12152 bytes |
SHA-256: 2dd234218992198eb09afe533843db59d7973b83c5cb3f682d45de3971d0ff95 |
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font_02_sfnt_off00015c24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15C24 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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