Malicious PDF — malware analysis report

Static analysis result for SHA-256 12f3c038c5f918dd…

MALICIOUS

PDF

89.9 KB Created: 2021-03-09 13:40:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: fa631f8b20193bf8b18ea967ae9b44d9 SHA-1: 086549726843a7cf25300fc1e529d4494c15331a SHA-256: 12f3c038c5f918dd6f8ada1947697e14df1dcc0bb9f8432d535e7e6c18bf5f3e
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://jottigo.ru/wix?keyword=que+son+los+libros+sapienciales+catolicos PDF link annotation
    • http://tusiteguluvora.getenjoyment.net/strongs_concordance_2111.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495973/normal_600827a4488f0.pdfIn PDF document text
    • http://jinevul.mygamesonline.org/31717770766.pdfIn PDF document text
    • http://valuburikodajad.medianewsonline.com/19042320772.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501364/normal_6009d8e96d0cd.pdfIn PDF document text
    • http://pakizimavom.scienceontheweb.net/7992492271.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467955/normal_600cfa5271b5c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495039/normal_5fcc36502b5f8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465125/normal_5ff7d780d0191.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490950/normal_60130b5b33f41.pdfIn PDF document text
    • http://jajokojunewi.mypressonline.com/how_to_reset_asus_n66u_router.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/9409b33b-ebff-417e-affd-58c5399f4479/cateye_cc-mc100w_price.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/17701ee0-2f34-4eb8-ab96-47dea7a4caed/jufet.pdfIn PDF document text
    • https://s3.amazonaws.com/megujobemegor/toro_51619_ultra_electric_blower_vac_parts.pdfIn PDF document text
    • https://s3.amazonaws.com/sazomo/fumujadonoponodudarigik.pdfIn PDF document text
    • https://s3.amazonaws.com/lixasifasi/winrar_zip_archive_software_free.pdfIn PDF document text
    • https://s3.amazonaws.com/nafoxuda/abecedario_en_seas_letra_por_letra.pdfIn PDF document text
    • http://tefetuzuzip.myartsonline.com/what_is_mito_in_english.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_off00012178.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12178 5128 bytes
SHA-256: 89d613275999c89316636c2d6153d7a497b7ac5564606a96457a2833a6bc7e48
font_01_sfnt_off000132ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x132EF 11748 bytes
SHA-256: 614163b841a8f5d8faf33688eed9da64bea0aec650a2fafdeb8b16c6135c9110