MALICIOUS
144
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. It contains a high-signal heuristic indicating an image lure linking to an SEO redirector, which resolves to the URL 'https://leonvi.ru/award?keyword=answer+sheet+shading+50+items+pdf'. This URL is presented as a download link, further supported by a 'SE_DOWNLOAD_BUTTON' heuristic, indicating a phishing attempt to trick the user into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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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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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://leonvi.ru/award?keyword=answer+sheet+shading+50+items+pdf PDF link annotation
- http://reduslimitalia-oficial.site/siwafugartuk24.pdfIn PDF document text
- http://canonsburglake.com/the_successful_match_2017_free_download7sx1u.pdfIn PDF document text
- http://kodutizaga.mywebcommunity.org/7175780726.pdfIn PDF document text
- http://euroshopme.site/15868589899hhrw2.pdfIn PDF document text
- http://kowojolajamuv.getenjoyment.net/how_to_edit_existing_file_for_free.pdfIn PDF document text
- http://jigapenufi.medianewsonline.com/79237262767.pdfIn PDF document text
- http://kojazunupetip.mygamesonline.org/yasin_surah_arabic_in.pdfIn PDF document text
- http://nubilofanekib.mygamesonline.org/rojeb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://futikuzita.onlinewebshop.net/6076135978.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b96ae6a1-a478-41ad-abec-be997768bd35/how_to_clean_brazilian_wax_heater.pdfIn PDF document text
- https://s3.amazonaws.com/fidobakipivogit/54267417167.pdfIn PDF document text
- https://s3.amazonaws.com/pezofut/79557830151.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7d730118-9c48-4621-b143-69ef68cc0f2c/53959295228.pdfIn PDF document text
- https://s3.amazonaws.com/mujevubutukoxu/tavixebepidikutazepa.pdfIn PDF document text
- https://s3.amazonaws.com/fowikorejodi/69537481187.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/827c05ea-6905-4a60-bb2e-5c0f64e25dfb/xewopiniletaxodelilowovun.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4057f5e4-7dee-4e3c-ada4-66dc69f6d401/what_shares_are_worth_investing_in_now.pdfIn PDF document text
- https://s3.amazonaws.com/difigomisosak/69152881787.pdfIn PDF document text
- https://s3.amazonaws.com/robumuduluwise/axton_guide_steam.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0260d2f5-9e96-4ccd-b89d-f532511537b0/simpson_pressure_washer_pump_saver.pdfIn PDF document text
- http://duribolatajofa.atwebpages.com/i_am_discourse_st_germain_1-33_complete.pdfIn PDF document text
- https://s3.amazonaws.com/dosalapasenow/virgin_startup_business_plan_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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7CC | 5772 bytes |
SHA-256: 95469c65fcb95d57ce79b28ae03a5e375ca2801901f54ec227ee64aa472cc16f |
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font_01_sfnt_off0000fb5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB5E | 10320 bytes |
SHA-256: 558c4ce504be70e3c9666c13e0bde255cbf25c0401a8034914c70ef130e14854 |
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