Malicious PDF — malware analysis report

Static analysis result for SHA-256 8947babdf9fcdf5a…

MALICIOUS

PDF

68.8 KB Created: 2021-02-16 08:59:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 74199f7105c17d95dd57cfeefcc8914d SHA-1: 33ab90fc72f580da25c13e638f50675a79a7d060 SHA-256: 8947babdf9fcdf5acdddbba9b744c66543572d84848905dc22f3635c021e3812
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://baarspo.ru/wix?keyword=higher+derivatives+worksheet+with+answers PDF link annotation
    • https://juladuwupib.weebly.com/uploads/1/3/4/7/134763366/sumupoxu.pdfIn PDF document text
    • https://lafowujokunoro.weebly.com/uploads/1/3/0/7/130738997/4900c.pdfIn PDF document text
    • https://cdn.sqhk.co/lusoxepero/ghfmTie/76219526778.pdfIn PDF document text
    • https://xejapekedom.weebly.com/uploads/1/3/4/8/134864907/1d7a660082500.pdfIn PDF document text
    • https://cdn.sqhk.co/fegadosijete/zMfv6ic/modern_princess_dress_up_games_online.pdfIn PDF document text
    • https://cdn.sqhk.co/vekuperik/jijbkYe/city_smasher_hack_game_download.pdfIn PDF document text
    • https://cdn.sqhk.co/sebutarukaw/QaggGHP/72104013514.pdfIn PDF document text
    • http://rarafon.iblogger.org/serendipity_flute_sheet_music.pdfIn PDF document text
    • https://xaxexuwolak.weebly.com/uploads/1/3/5/9/135978614/3554046.pdfIn PDF document text
    • https://wawotisusuwo.weebly.com/uploads/1/3/2/7/132741293/2db7830.pdfIn PDF document text
    • https://cdn.sqhk.co/fexilejedit/fBiegd1/porsche_cayenne_turbo_s_drag_race.pdfIn PDF document text
    • https://ribebofav.weebly.com/uploads/1/3/2/6/132681502/802751.pdfIn PDF document text
    • https://nozudepoget.weebly.com/uploads/1/3/1/1/131163917/momekegopip.pdfIn PDF document text
    • https://zonulezewuras.weebly.com/uploads/1/3/4/8/134890742/gubizuzepe.pdfIn PDF document text
    • https://kufesivewafe.weebly.com/uploads/1/3/1/3/131384244/3113885.pdfIn PDF document text
    • https://cdn.sqhk.co/feduvefas/3jhgggf/star_beast_endless_idle_tower_defense_games.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tivijovu.epizy.com/teninokisawenedide.pdfIn PDF document text
    • https://s3.amazonaws.com/gedesisumi/cisco_2110_ordering_guide.pdfIn PDF document text
    • http://kosirokuki.epizy.com/mukefesejafab.pdfIn PDF document text
    • https://s3.amazonaws.com/tawosutosuxi/phyno_ft_kranium_one_chance_mp4.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_off0000cfee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCFEE 5232 bytes
SHA-256: d6a4a1b2c7aeee67d560a4b4a864892db5949a9c0e68d37fa830444dd835c8fe
font_01_sfnt_off0000e1c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1C5 10576 bytes
SHA-256: db5180e05afe3b198b9517718cb2ef21e34e099f66af0815e64a4283fb4c4914

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