MALICIOUS
144
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF that contains a lure, indicated by the 'Image lure linking to an SEO redirector (free-download phishing)' heuristic. The embedded URL 'https://jacksth.ru/123?utm_term=bifrost+maya+2018' is associated with this lure. ClamAV detection confirms this is a phishing trojan. While no scripts were explicitly extracted, the PDF structure and heuristics suggest it's designed to lead the user to download a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://jacksth.ru/123?utm_term=bifrost+maya+2018 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4389366/normal_5fdf7e6e35b08.pdfIn PDF document text
- https://cdn.sqhk.co/tawavumazo/Kifghij/mabuxinekit.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484612/normal_600e3162c5ccb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475999/normal_60468b815af7a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501770/normal_5fcb101664331.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4458849/normal_6003d754e98c0.pdfIn PDF document text
- https://cdn.sqhk.co/joxonorapa/ijlaBaa/83178128776.pdfIn PDF document text
- https://cdn.sqhk.co/fuvopone/1HviexO/zilitojemipimutodo.pdfIn PDF document text
- http://xalufabo.iblogger.org/94126914681.pdfIn PDF document text
- https://cdn.sqhk.co/soxesemu/vdjjigc/anorectal_malformation_ultrasound_images.pdfIn PDF document text
- https://cdn.sqhk.co/wavagowew/VhjhdDE/samuwage.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460243/normal_601b50e592d0d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408993/normal_6056c6b7bd99e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375070/normal_6058b045cca7f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kiwitoremoropup.epizy.com/17410900690.pdfIn PDF document text
- https://s3.amazonaws.com/sixolose/what_does_a_mental_health_coach_do.pdfIn PDF document text
- https://s3.amazonaws.com/megujobemegor/zugazalebakatavujunajo.pdfIn PDF document text
- https://s3.amazonaws.com/xomudufe/voruxovusu.pdfIn PDF document text
- https://s3.amazonaws.com/dorobukasawituw/classroom_words.pdfIn PDF document text
- https://s3.amazonaws.com/buwosevax/diliju.pdfIn PDF document text
- http://kesexawes.rf.gd/getexizeven.pdfIn PDF document text
- http://lujapekadedi.epizy.com/rumekuwasimidudaj.pdfIn PDF document text
- http://kawanasigupezin.epizy.com/los_anormales_michel_foucault.pdfIn PDF document text
- https://s3.amazonaws.com/zosevid/when_is_the_best_time_to_go_squidding.pdfIn PDF document text
- https://s3.amazonaws.com/saziwijaxodav/zomiruvedevemudigudaxup.pdfIn PDF document text
- https://s3.amazonaws.com/gurafoga/nafafuzajovefozolex.pdfIn PDF document text
- https://s3.amazonaws.com/farefasejikap/best_detox_cleanse_whole_foods.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_off0000f980.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF980 | 5552 bytes |
SHA-256: 27bd89054827790973d32fb414598609ce5fbbf93988f117549a3c6508b87eb4 |
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font_01_sfnt_off00010c54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C54 | 11012 bytes |
SHA-256: 8a18250b279c24313127d9e06364e563154162273d7f55ef4cb18f6ebb900d88 |
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