Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ffe47833893b87d…

MALICIOUS

PDF

75.2 KB Created: 2021-02-15 09:46:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: baaa580deea274cec6297567688ec519 SHA-1: c5648f3d897060f4a32d69d3cdbad6353e30033a SHA-256: 7ffe47833893b87dfe33ec8edb894ad60d12e69c86b60d50c4863964f75c91b4
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://bologen.ru/wix?keyword=shoe+heel+inserts+height PDF link annotation
    • http://anarchymedya.com/35788790441p1r3k.pdfIn PDF document text
    • http://medgaj.com/dsssb_ntt_answer_key_88_17uz7ra.pdfIn PDF document text
    • http://blog-uniswap.org/imperatives_esl_worksheet5nnpw.pdfIn PDF document text
    • http://vinograd.io/jujemexupudixirumorodigebdduak.pdfIn PDF document text
    • http://natenezen.22web.org/panojipi.pdfIn PDF document text
    • https://cdn.sqhk.co/manigonodapu/hdghXgj/3828756355.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488323/normal_6015ffc4590f1.pdfIn PDF document text
    • http://mbfsopg.com/45721329824gw1w0.pdfIn PDF document text
    • http://copyright-supporthelp.com/wingstop_promo_code_2020_free_deliveryg62j0.pdfIn PDF document text
    • http://belplitka.ru/vukojituvosevagatixooixg0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fikamax.epizy.com/benchmarking_notes.pdfIn PDF document text
    • http://vizijikiwoler.rf.gd/9162260066.pdfIn PDF document text
    • https://s3.amazonaws.com/bisapovepizaj/83342949181.pdfIn PDF document text
    • http://xebowuruno.epizy.com/berliner_platz_1_neu_arbeitsbuch.pdfIn PDF document text
    • https://s3.amazonaws.com/zowejunef/72981548541.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_off0000eb47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB47 4840 bytes
SHA-256: efec9dd746ed66281c13e2e52324b36bdcb7da1285fa76129a4208fcb999b3ab
font_01_sfnt_off0000fbb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBB6 10776 bytes
SHA-256: 1c50921fcd50a6766f61117aa5a107469b2a9c1700a27d042bbb79e9852e7431