Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd029c44a1f3fc89…

MALICIOUS

PDF

71.3 KB Created: 2021-02-16 19:49:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: d6e51106ec9ff57802a7d755c011ad45 SHA-1: 9acbacd80de36edcbf2642e6b20a57f7fd9f99a1 SHA-256: fd029c44a1f3fc890631b1107f77c90cb9d4daeaeaaf708459b4cfcd4c528dde
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://jottigo.ru/wix?keyword=toy+defense+unblocked PDF link annotation
    • http://covidcapsule.world/digital_endoscope_camera_softwaresoivg.pdfIn PDF document text
    • http://kinokaiff.space/lupuxote0s915.pdfIn PDF document text
    • http://vashastrahovka24.ru/warcraft_lord_of_the_clans_game_download2kicr.pdfIn PDF document text
    • http://zalewef.iblogger.org/baxafoxem.pdfIn PDF document text
    • http://goossyy.online/vijalovtif4s.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/nalifij/makusetoradiw.pdfIn PDF document text
    • http://zudujijikaj.rf.gd/wopobadivotibokalip.pdfIn PDF document text
    • https://s3.amazonaws.com/dusined/dishonored_2_all_runes_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/tometubufimopim/egzamin_gimnazjalny_angielski_gramatyka_wiczenia.pdfIn PDF document text
    • https://s3.amazonaws.com/metubevozisul/32847228334.pdfIn PDF document text
    • http://zesubilav.epizy.com/tidarujimivokokawasufode.pdfIn PDF document text
    • https://s3.amazonaws.com/bugutaj/acrobat_reader_xi_standard.pdfIn PDF document text
    • https://s3.amazonaws.com/dewazewokib/67926520469.pdfIn PDF document text
    • https://s3.amazonaws.com/satulibaren/sazazuketeza.pdfIn PDF document text
    • https://s3.amazonaws.com/fajujiju/can_you_clear_cache_on_android_phone.pdfIn PDF document text
    • http://pepebejawu.epizy.com/guide_du_routard_prague_occasion.pdfIn PDF document text
    • http://relogevavikidid.epizy.com/element_tv_customer_support_phone_number.pdfIn PDF document text
    • https://s3.amazonaws.com/wuniku/calendario_mensile_2020.pdfIn PDF document text
    • https://s3.amazonaws.com/naxizugenabi/puzokodomupos.pdfIn PDF document text
    • http://lulojoduvos.epizy.com/demyers_neurological_examination.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_off0000db90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB90 4964 bytes
SHA-256: a6778d8ad891b75203dfdce5deb4d72441723c4833e11d2d63cc457937906715
font_01_sfnt_off0000ec9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC9E 10320 bytes
SHA-256: 433f1f32577fdcc7ffeed8fc658c4b14f166488e6f776c5830807e578d818c66

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