Malicious PDF — malware analysis report

Static analysis result for SHA-256 05e422c1ebbd201c…

MALICIOUS

PDF

67.4 KB Created: 2021-02-22 08:22:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 8ff5ee472207fbe6bb4020bb506a7841 SHA-1: fd0f5689a7bbbe3250add111fe844df5d0143411 SHA-256: 05e422c1ebbd201cbe7ef48f2442d215719f957dc9a528dd2e3aa923daf4f31e
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains heuristics indicating it's a phishing lure, specifically using an image to redirect users to a malicious URL. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were extracted, the presence of a redirector URL points to a phishing attack designed to lead the user to a compromised site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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=pokemon+sun+and+moon+episode+list+in+english PDF link annotation
    • http://fomuvegikutidob.iblogger.org/76662408662.pdfIn PDF document text
    • http://redtea.space/ibps_exam_syllabus_2019_download8nry2.pdfIn PDF document text
    • http://megazoni.iblogger.org/jajagamipuvenegikujisi.pdfIn PDF document text
    • http://istlan.space/318781618859tnuv.pdfIn PDF document text
    • http://rukozhop-guide.com/chambers_europe_guide_20192zzqe.pdfIn PDF document text
    • http://xusibujisexin.22web.org/zumulu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://gikunipif.epizy.com/uf_academic_integrity_quiz_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/bulikowexunepov/atrocious_crossword_puzzle_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/belapawerezuju/bole_chudiyan_full_song.pdfIn PDF document text
    • https://s3.amazonaws.com/gewisetug/56028784607.pdfIn PDF document text
    • https://s3.amazonaws.com/feliso/14208946691.pdfIn PDF document text
    • https://s3.amazonaws.com/susonanezaj/71431877278.pdfIn PDF document text
    • https://s3.amazonaws.com/vojapu/ableton_live_8_tutorial.pdfIn PDF document text
    • https://s3.amazonaws.com/tanapilamaxi/the_hormone_reset_diet_audiobook.pdfIn PDF document text
    • http://fuvogixus.epizy.com/isometric_grid_paper_1cm.pdfIn PDF document text
    • https://s3.amazonaws.com/bifamomove/ritipujogitajewiliketi.pdfIn PDF document text
    • https://s3.amazonaws.com/vinejivunitego/does_javascript_pass_variables_by_reference_or_by_value.pdfIn PDF document text
    • https://s3.amazonaws.com/kudowo/79077265784.pdfIn PDF document text
    • https://s3.amazonaws.com/dazovosugev/jazokugukuwowazanuk.pdfIn PDF document text
    • https://s3.amazonaws.com/norozovijalu/nojowulo.pdfIn PDF document text
    • http://verejepaw.epizy.com/how_expensive_is_sandalwood.pdfIn PDF document text
    • http://xodamekexu.epizy.com/rufumizizutosemedaxufina.pdfIn PDF document text
    • http://kizuxaw.rf.gd/8183787450.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.

FilenameKindSourceSize
font_00_sfnt_off0000cc15.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC15 5340 bytes
SHA-256: b0d290391b99c8cdaa3330d527c2a92521521f8b27a03b24ea1b9ff99c937dc6
font_01_sfnt_off0000de24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE24 10028 bytes
SHA-256: 8bebced7b4ceff394a140086156a94de19fa4ce0f2042cde873ab80b1ea34d3d

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