Malicious PDF — malware analysis report

Static analysis result for SHA-256 243dd232778cfaf2…

MALICIOUS

PDF

67.2 KB Created: 2021-03-01 22:02:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 0b91059388b04ddadf0458661c7cffac SHA-1: 1892d3436c619560dd1d36c085335a8dc9e73c66 SHA-256: 243dd232778cfaf2094962a90ddbf8012514027d5a6a77e054abaec6f172f73a
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://xezojetit.ru/wix?keyword=bissell+pet+pro+manual PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4494149/normal_602f58b3a3cea.pdfIn PDF document text
    • https://dotanivim.weebly.com/uploads/1/3/4/7/134705276/9909926.pdfIn PDF document text
    • http://itasda.online/adding_and_subtracting_negative_numbers_worksheet_6th_grade738zq.pdfIn PDF document text
    • https://semetipakes.weebly.com/uploads/1/3/0/7/130775831/3bf4853fbf6e1.pdfIn PDF document text
    • http://repochka.site/57041127826nv8sn.pdfIn PDF document text
    • http://wezaxofakobitig.22web.org/scotland_s_longest_river_crossword_answer.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450259/normal_5ff22687d03f2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4424647/normal_5fcba094dfed0.pdfIn PDF document text
    • https://cdn.sqhk.co/lodikorep/hjzaHjj/golf_hitting_mat_that_moves.pdfIn PDF document text
    • https://vunepixas.weebly.com/uploads/1/3/1/4/131483778/1676304.pdfIn PDF document text
    • https://cdn.sqhk.co/zubuwebofe/cnjaTVI/vovowo.pdfIn PDF document text
    • https://wadonado.weebly.com/uploads/1/3/4/6/134677460/5243283.pdfIn PDF document text
    • http://firstdoctor.xyz/zafezazuzga6rf.pdfIn PDF document text
    • https://cdn.sqhk.co/jelivapizivo/lhajep5/5890816635.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401540/normal_6023c88213b82.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426413/normal_6035ce08927f8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bagobopog.rf.gd/jizutojenasu.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_off0000cc5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC5D 5016 bytes
SHA-256: 150e3daaad0595ce39a42162e05cadd1d069cf6925e8ae2b841573bf6727347f
font_01_sfnt_off0000dd50.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD50 10240 bytes
SHA-256: 1c9f79f3d9a9ef974b7b9eeb7387803f7c20b5d5c6e4d6a40a391d714c63e5ea