Malicious PDF — malware analysis report

Static analysis result for SHA-256 30229b2e3ab9d962…

MALICIOUS

PDF

68.5 KB Created: 2021-03-11 09:27:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: b63b5a12aedc8607ef1a5375edfaf25e SHA-1: d1c8e10709224abaa7d85f17bf561a7fed15f214 SHA-256: 30229b2e3ab9d96288cd1d92b1f5e720fe95e201ffdd6035be6fce2afe212fb9
196 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 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.
  • 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://druttle.ru/award?keyword=agenda+2020+pdf+francais PDF link annotation
    • https://livugazenexaru.weebly.com/uploads/1/3/1/6/131607095/lotuwup_letufedozu_ronake_jidigekegupa.pdfIn PDF document text
    • http://aycotoro0.xyz/54389967391huepj.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366000/normal_5ff8f7e21fd03.pdfIn PDF document text
    • http://futegejetebe.22web.org/bsg_guidelines_pancreatic_cancer.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501361/normal_603eacb7508e7.pdfIn PDF document text
    • https://revunipaletofux.weebly.com/uploads/1/3/0/8/130874393/tedaj-wizup-niwedojidubelor.pdfIn PDF document text
    • https://vomagorawu.weebly.com/uploads/1/3/4/7/134720662/pivalonivirusus-gemapuxu-tupubetijibosa.pdfIn PDF document text
    • http://banikomapi.22web.org/69287334379.pdfIn PDF document text
    • https://jegobagugixados.weebly.com/uploads/1/3/4/8/134858953/5500462.pdfIn PDF document text
    • http://pet-guru.shop/vifojakedomopepoxofapab5dxs0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385876/normal_60494afa6a5ee.pdfIn PDF document text
    • http://esmoney.site/juxutinonefunaguf6eoj6.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/tobaziw/polo_shirt_template_psd_free.pdfIn PDF document text
    • https://s3.amazonaws.com/gasodamuza/michael_jackson_heal_the_world_lyrics.pdfIn PDF document text
    • http://zukivit.epizy.com/libujifek.pdfIn PDF document text
    • https://s3.amazonaws.com/wusigipufuvowix/sidadifowavujimatotered.pdfIn PDF document text
    • https://s3.amazonaws.com/muwomapotumugi/showbox_alternative_for_android.pdfIn PDF document text
    • https://s3.amazonaws.com/rebomedug/imperative_sentence_worksheets_for_grade_3.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c2c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC2C2 5152 bytes
SHA-256: 33537a14fcaa3257a6c2d586684c691a2be09b373d8e07548a3e3629c5a62e58
font_01_sfnt_off0000d44d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD44D 10204 bytes
SHA-256: 17fa5a83b96ddd88553c06e75b88c943a357a9637837d053e5d9478ebc6891ea
font_02_sfnt_off0000f734.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF734 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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