Malicious PDF — malware analysis report

Static analysis result for SHA-256 06e1d023b56d411c…

MALICIOUS

PDF

51.6 KB Created: 2020-10-15 13:08:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: d242eab3cdea633217653d9a37bca766 SHA-1: 28b641cd36ad0171365d991b4c54b05cc0ea4d4c SHA-256: 06e1d023b56d411c04b6a08a8b199a9286fd109ec09eaa4c4552c36c1a9f2ffe
222 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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.
  • 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://ggtraff.ru/strik?keyword=imx6+yocto+user+guide In PDF document text
    • https://site-1040398.mozfiles.com/files/1040398/vegof.pdfIn PDF document text
    • https://site-1040177.mozfiles.com/files/1040177/sewirujefikevudokiveb.pdfIn PDF document text
    • https://site-1044264.mozfiles.com/files/1044264/81128463961.pdfIn PDF document text
    • https://site-1038905.mozfiles.com/files/1038905/51306379463.pdfIn PDF document text
    • https://site-1036923.mozfiles.com/files/1036923/nefivalakas.pdfIn PDF document text
    • https://site-1041615.mozfiles.com/files/1041615/79015696123.pdfIn PDF document text
    • https://site-1039957.mozfiles.com/files/1039957/zokixo.pdfIn PDF document text
    • https://xijonezamo.weebly.com/uploads/1/3/1/4/131407630/f0b22207a5.pdfIn PDF document text
    • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/debizikirapanas.pdfIn PDF document text
    • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/18ad995.pdfIn PDF document text
    • https://jizonuwuko.weebly.com/uploads/1/3/0/8/130814311/lomurujepidatam.pdfIn PDF document text
    • https://rewemekekebaz.weebly.com/uploads/1/3/1/4/131406535/4588967.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366389/normal_5f8754b3360db.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367017/normal_5f8735d3ee916.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/2ada1c1d-3e96-4999-b108-030059b18e83/gixafovu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0d13e538-59ba-4d70-a6a5-173db7378e29/96601920993.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b82aff56-0e78-4a8f-966b-7fdb2c2787a1/lusapuwasafosezivot.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5657120c-300f-4a69-9123-268feee510ff/rijumejo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c675f20c-e70f-4e45-ad55-a85028d8096f/vagodupukamegexaxan.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ddc33e17-07ee-4d0b-a665-a101a2fef441/99871021275.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b4941f74-e838-486e-9a3a-c14b15ec2a1f/mixodotitotajimozevun.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/00388abe-9344-4b86-81d2-1371301e0759/tuwarufojige.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d0cf3f94-981d-4abe-8346-c5a467107ac9/supuxasusanefisaxukulotew.pdfIn 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_off0000860c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x860C 5276 bytes
SHA-256: 170c77ab0df0aed0c2d4b628f84d49c261317eeb17cd33ee10c98312d36f1da7
font_01_sfnt_off000097ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97EF 15888 bytes
SHA-256: a75e63a8525dc29c8eaad38ac615fdcc825ca7c10e55e66c5dd5afc45c946202

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