Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6a5d6f41153330…

MALICIOUS

PDF

41.3 KB Created: 2020-10-23 06:28:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-17
MD5: b72ccd072722a77af9dbc7bc669f50e0 SHA-1: 69e3972f96be3d0709970ac71e138a0218c18d5d SHA-256: 2b6a5d6f41153330f5668eba67a6a16267dd655c44def7ac955870a19e0ab81a
184 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://ttraff.link/123?keyword=stem+and+leaf+plot+worksheets+5th+grade In PDF document text
    • https://sixodajumam.weebly.com/uploads/1/3/4/3/134311071/9b38db9da7548.pdfIn PDF document text
    • https://xavoxoxuda.weebly.com/uploads/1/3/1/3/131379246/9259492.pdfIn PDF document text
    • https://fokakumunimu.weebly.com/uploads/1/3/4/2/134266115/bozewaduzisevurukene.pdfIn PDF document text
    • https://folanejo.weebly.com/uploads/1/3/0/7/130776558/wumojanarelopo.pdfIn PDF document text
    • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/7075d2d87f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368782/normal_5f8ff81a10fbf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379856/normal_5f8e307c36dad.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370303/normal_5f8902fade926.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366374/normal_5f893a9a8d8b7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382618/normal_5f8d23426116e.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/mawesenasijoser/texovabu.pdfIn PDF document text
    • https://s3.amazonaws.com/gupuso/list_of_important_dates_in_indian_history_in_hindi.pdfIn PDF document text
    • https://s3.amazonaws.com/gupuso/17149335075.pdfIn PDF document text
    • https://s3.amazonaws.com/pazifetanegapu/36207065226.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a97c855e-209c-406b-83b3-c95235b1473a/34872480487.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6ff7acde-6e26-4c10-943c-43bdfbd47172/definicion_de_compras_segun_varios_autores.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f58dc1e2-0382-40d3-a520-0db07cc20036/tozebetixamelenekimazati.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7cf98c66-8d4a-4aca-bb64-29e34c177d25/20396488786.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2012bf92-eedf-4a69-aa0d-0ccab2c57547/74924804794.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e99c9389-94dd-4a36-bac6-cbe78b1c6360/79564476519.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7578/8188/files/wifi_mobile_data_switch_pro_apk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0493/7108/7007/files/tuck_andress_fingerstyle_mastery.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0501/5247/2764/files/home_electrical_inspection_checklist.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0481/8914/5245/files/63432921516.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_off00006046.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6046 5836 bytes
SHA-256: 1ed9c5bf194d7bb28c66500f50cce29e1d53d246c7a18f3733aa13478e3bac04
font_01_sfnt_off00007409.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7409 10588 bytes
SHA-256: c68a985e1f3d6c21fe86e07540b97aa230f311f76dddc7ae3b4ab2da7a9a0e56

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