Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f43d2f2bcf2059d…

MALICIOUS

PDF

74.2 KB Created: 2021-03-04 10:09:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 2321dc673448f450236598d4431bcda4 SHA-1: 41a04bf61c9a001c70bca50e3a0d60ddd0450060 SHA-256: 5f43d2f2bcf2059d7b99fa72435627156dc5930347c8d35c0c31c82c44a025f4
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://fokemale.ru/wb?keyword=timex%20expedition%20scout%20chronograph%20strap PDF link annotation
    • http://cetop.xyz/ledamobixudinevimow0pagb.pdfIn PDF document text
    • https://cdn.sqhk.co/nejajevafode/hbtvemq/restaurant_renovation_contractor_near_me.pdfIn PDF document text
    • http://clubstore.pro/somevuwopdvdym.pdfIn PDF document text
    • https://cdn.sqhk.co/tefivezik/YMEfh8j/top_digital_marketing_agencies_in_los_angeles.pdfIn PDF document text
    • http://forexgeeks.net/97150331891pybzv.pdfIn PDF document text
    • http://lojasamericanasbr.com/high_yield_biostatistics_4th_edition_downloadsp26f.pdfIn PDF document text
    • https://jaxanotev.weebly.com/uploads/1/3/1/1/131164383/b94758.pdfIn PDF document text
    • http://liwurivosopap.medianewsonline.com/77196063273.pdfIn PDF document text
    • https://cdn.sqhk.co/retesixabe/7ihYSMg/tales_of_crestoria_characters_tier.pdfIn PDF document text
    • https://cdn.sqhk.co/judigirowe/ajcIhgQ/download_ace_commando_mod_apk_android_1.pdfIn PDF document text
    • http://mercelus.xyz/nozafabamukixuzo451q2.pdfIn PDF document text
    • https://zolulosix.weebly.com/uploads/1/3/3/9/133986826/fuzaxonabadu.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/dobikasukavu/39985318284.pdfIn PDF document text
    • https://s3.amazonaws.com/zemigiduwagafu/exercise_3_sentence_completion_lesson_15_answers.pdfIn PDF document text
    • http://radiviwix.onlinewebshop.net/monster_korean_movie_2014_cast.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_off0000e1bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1BD 5472 bytes
SHA-256: 228a391148053dd5e559f062d501eeae5e9c45affecc1fc849b7f4d9d9a74be5
font_01_sfnt_off0000f430.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF430 11244 bytes
SHA-256: 25bb87d8578241bd814932df5e084b6b9967c7064dbf22744a3300f95bf0229a