Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f644c1871f8073b…

MALICIOUS

PDF

80.7 KB Created: 2021-04-04 14:45:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 10622c23a57233a1609b545e233974a9 SHA-1: a45a0a9c41ec6cb6c0c019a88dc0ea458015cb1d SHA-256: 1f644c1871f8073b9bcac078da69f218dffa89b8c379810f9b92e15edba1bccd
66 Risk Score
Tags
free-cdn-ebook-manual-lure

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 4

  • 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://jumiwimov.ru/aws?utm_term=farmer+giles+of+ham+analysis PDF link annotation
    • https://cdn.sqhk.co/baxorurifina/bWCghgd/narakaxulawanuwosi.pdfIn PDF document text
    • https://cdn.sqhk.co/jotepomi/Agcjihe/22236274548.pdfIn PDF document text
    • https://balijijileg.weebly.com/uploads/1/3/4/5/134505585/parevetuvobu.pdfIn PDF document text
    • https://cdn.sqhk.co/kigimole/jiVggjh/motogp_racing_2019_mod_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/loberutebe/gcOXMN7/21214018594.pdfIn PDF document text
    • https://bovagisobupuzod.weebly.com/uploads/1/3/1/0/131070774/5148102.pdfIn PDF document text
    • https://cdn.sqhk.co/gudijupimeb/wgdgeT5/79852549993.pdfIn PDF document text
    • https://nukogakulezov.weebly.com/uploads/1/3/1/3/131378840/3641832.pdfIn PDF document text
    • https://dekedenavit.weebly.com/uploads/1/3/4/6/134612093/xisasapologojibo.pdfIn PDF document text
    • https://lawagupavuraxap.weebly.com/uploads/1/3/4/6/134616311/592b71.pdfIn PDF document text
    • https://vejefoxebeses.weebly.com/uploads/1/3/4/8/134860837/faromipirajebedufuba.pdfIn PDF document text
    • http://zijiwox.iblogger.org/24122582558.pdfIn PDF document text
    • https://cdn.sqhk.co/kewixoretuze/iIgfdgc/zudatumagakeg.pdfIn PDF document text
    • https://cdn.sqhk.co/xosaletozobi/jbwjhic/4057065802.pdfIn PDF document text
    • https://visimekariluvog.weebly.com/uploads/1/3/1/4/131483525/bowoxemepar_fififovawa.pdfIn PDF document text
    • http://kizudoluwewomam.iblogger.org/32001591179.pdfIn PDF document text
    • https://minedikatew.weebly.com/uploads/1/3/0/7/130739540/ramelal-komik.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/fad1d6f0-321f-4df8-88a0-135fcf04e0d4/que_quiere_decir_la_r_en_las_marcas.pdfIn PDF document text
    • http://gokobuvutojo.epizy.com/android_architecture_components_livedata_example.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dea40c94-dd2e-463b-b3ae-04a73516ac1c/kitchenaid_stove_top_kettle.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f1ecf492-daf6-4a10-9b74-970fceb1ee26/how_to_find_sum_of_interior_angles_in_polygon.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/90ba4afb-5905-4a65-baa4-bfb09f74aabd/jituxiwirosa.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_off0000f784.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF784 5236 bytes
SHA-256: bb67f09fa3cd219fa7f33ccbe221886b92b1148fbc3211466a557fd4fb3bd509
font_01_sfnt_off00010934.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10934 13308 bytes
SHA-256: 415bd854211ac8adb4a37baf5539a017f8ce4470a13f60d62cc96940b260826c

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