Malicious PDF — malware analysis report

Static analysis result for SHA-256 5bbc38d2d648e47b…

MALICIOUS

PDF

68.9 KB Created: 2021-02-28 00:30:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0f174f066383e3ea24300ad2647da144 SHA-1: 20dd4730277734ddab57aed7e94306c593a8516e SHA-256: 5bbc38d2d648e47b118e2625f73f8ebe81c65aacdabb1b5ff3c9174626d94fae
98 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.
  • ClamAV scan did not complete info CLAMAV_SCAN_INCOMPLETE
    ClamAV scan on this file did not complete (ClamAV error (exit 2)); the verdict reflects only static heuristics. The result is not cached so a later submission will retry the scan.
  • 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://pelibifir.ru/wix?keyword=when+things+fall+apart+pema+chodron+pdf+free+download
    • https://jikowizovogowo.weebly.com/uploads/1/3/2/6/132682153/682835.pdf
    • http://hookup154.online/free_intro_template_after_effectjs6uz.pdf
    • https://guwemegarorara.weebly.com/uploads/1/3/4/3/134353603/tamegud.pdf
    • https://bifugojatomawak.weebly.com/uploads/1/3/1/4/131437093/4559c.pdf
    • http://mexicotop3.xyz/28324963380q160v.pdf
    • http://fullhp.info/noxinewibip3ac3.pdf
    • http://bnatural.space/video_maker_fx_kuyhaa5e8vj.pdf
    • https://cdn-cms.f-static.net/uploads/4385228/normal_60358431976e2.pdf
    • https://fusasevamasaxig.weebly.com/uploads/1/3/4/8/134866100/0c1e37.pdf
    • http://medyayazilimtr.com/assamese_comedy_video_freejivkn.pdf
    • https://wazidufadik.weebly.com/uploads/1/3/0/7/130740116/4506405.pdf
    • http://espaceabonne.com/43269016187lgd70.pdf
    • http://eagleaff.com/biology_questions_and_answers_for_class_9u81mh.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/wumodukubaru/ccna_cyber_ops_chapter_5_exam_answers.pdf
    • https://s3.amazonaws.com/pojikovewijeja/coffee_bar_video_song_free_mp4.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d08d.bin
b83e7489f3c89386a32dfa4ca169f5be9579e248cf24cdd4488e01b4b6ae276a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD08D 5676 bytes

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