Malicious PDF — malware analysis report

Static analysis result for SHA-256 417a347c6ab6066e…

MALICIOUS

PDF

72.6 KB Created: 2021-03-06 07:35:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 6af6d8c3446a42f462edb8263bd0010b SHA-1: 97dc4f465d3bb5e44f6f13d08730df02f081be6f SHA-256: 417a347c6ab6066e0b6fd443ff8d846a83c20eab3e5e01f153e661c0c320f024
186 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.
  • 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/123?utm_term=how+many+types+of+ms+word+are+there PDF link annotation
    • https://xikisujegowo.weebly.com/uploads/1/3/1/8/131856166/7316347.pdfIn PDF document text
    • https://pegavuvusejeda.weebly.com/uploads/1/3/1/4/131483027/kekipowefuxe.pdfIn PDF document text
    • https://muluxebaxomoj.weebly.com/uploads/1/3/5/4/135401331/jojave_guruni_fuporepid_ruluzuvusog.pdfIn PDF document text
    • https://vusozegaxu.weebly.com/uploads/1/3/0/8/130874635/popatokolavi_jagalawe.pdfIn PDF document text
    • https://vimasideb.weebly.com/uploads/1/3/3/9/133997972/b93c585cfea80.pdfIn PDF document text
    • https://gunefakojoxenaz.weebly.com/uploads/1/3/4/8/134886662/2721304.pdfIn PDF document text
    • https://guxitokos.weebly.com/uploads/1/3/2/6/132681611/manasi-pisetilugadino-powibuxuve.pdfIn PDF document text
    • http://vofidiporalives.22web.org/business_management_textbook.pdfIn PDF document text
    • http://tawesukosipot.22web.org/how_to_get_autocad_free.pdfIn PDF document text
    • https://ziduxaxeg.weebly.com/uploads/1/3/1/3/131380546/5555399.pdfIn PDF document text
    • https://senajadodum.weebly.com/uploads/1/3/1/3/131379015/xerigu.pdfIn PDF document text
    • http://roxelejabojafe.scienceontheweb.net/subaru_ea190v_pressure_washer_operating_manual.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://rabopusafat.epizy.com/skyrim_khajiit_build_guide.pdfIn PDF document text
    • http://tokupan.rf.gd/code_de_la_route_usagers_vulnrables.pdfIn PDF document text
    • http://wuragumok.atwebpages.com/74931780373.pdfIn PDF document text
    • http://kuzebelinebofe.epizy.com/38929318830.pdfIn PDF document text
    • http://jogufek.epizy.com/88073140308.pdfIn PDF document text
    • http://nolepukopele.epizy.com/xipolukofenibudu.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_off0000de37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE37 5404 bytes
SHA-256: f5e1807438c58a9fccbd3012f76d757670f28088615584d849d3a93d1de6b547
font_01_sfnt_off0000f083.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF083 10752 bytes
SHA-256: 43c3711331a103123f699752d2a3e7bb7cf6f6a2a58ef81877c5849a5535e8f8