Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd748348e834c3b7…

MALICIOUS

PDF

68.6 KB Created: 2020-12-23 14:23:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-18
MD5: 3d015f110ca9240bf7ce5f65ffcc4c3b SHA-1: 7fedb52ebb478733eb85c793dcd81fe56d950a96 SHA-256: cd748348e834c3b7a6d31c63c90c1511653b4bf216a4d7040be9085f9e453cf7
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://trafffi.ru/123?utm_term=compound+and+continuous+growth+worksheet PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4418783/normal_5fccf7820c5f2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450746/normal_5fca7c85d0b71.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381980/normal_5f969180414e8.pdfIn PDF document text
    • https://xisofapetuv.weebly.com/uploads/1/3/4/7/134747578/rebisipokeg.pdfIn PDF document text
    • https://ratopavitakam.weebly.com/uploads/1/3/4/4/134460251/ea7d5b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373509/normal_5f8a6cb9b0bbb.pdfIn PDF document text
    • https://femobideja.weebly.com/uploads/1/3/4/7/134735935/pelin-vupidatusokid.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410694/normal_5f932ad58dab2.pdfIn PDF document text
    • https://nagifinapu.weebly.com/uploads/1/3/2/6/132696111/fegejuladofagiwedop.pdfIn PDF document text
    • https://jaweditulopo.weebly.com/uploads/1/3/4/3/134313576/6273913.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/jezobasit/the_determinants_of_elasticity_of_demand_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/wopari/neverreap_tank_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/jevuxozazebazug/92261663197.pdfIn PDF document text
    • https://s3.amazonaws.com/wukara/vozikan.pdfIn PDF document text
    • https://s3.amazonaws.com/godoremitiwuja/10129925462.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3c950a89-780e-46fe-80aa-c6fba0be77c9/madipozixafe.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_off0000cf5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF5B 5516 bytes
SHA-256: c1913b646cf81f3ebb6ac72b49d4073731113abcb3d179d927343f78d2c9fcbe
font_01_sfnt_off0000e1fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1FA 10332 bytes
SHA-256: 0121612fd3bec04d3e2b47e3084715687d6081164fb00c476a11c3372980e1a2