Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e0e0ec250ae24bb…

MALICIOUS

PDF

47.4 KB Created: 2020-10-06 16:31:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 48ff902ebe654ac2494df7d8229dc310 SHA-1: 896ea6ed4787d446c97357b547ee31b251d15bb3 SHA-256: 9e0e0ec250ae24bbbdcec7be8896ca29e31cc5802e6850d41212da830e5b600d
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://cctraff.ru/pify?keyword=geico+horror+movie+commercial+blonde+girl In PDF document text
    • https://site-1038321.mozfiles.com/files/1038321/virama.pdfIn PDF document text
    • https://site-1039180.mozfiles.com/files/1039180/94845678669.pdfIn PDF document text
    • https://site-1039846.mozfiles.com/files/1039846/pozoxeku.pdfIn PDF document text
    • https://site-1037268.mozfiles.com/files/1037268/liwadewuwameloroxo.pdfIn PDF document text
    • https://site-1036721.mozfiles.com/files/1036721/8861754194.pdfIn PDF document text
    • http://vivin.ritaprestonsviews.com/uploads/1/3/0/7/130776779/wamigetupa_xenesumebemog_wodamutinab_zidarekozaxi.pdfIn PDF document text
    • http://jetafujaj.invertedsyntax.com/uploads/1/3/1/4/131409546/58d3c04de7cdd.pdfIn PDF document text
    • http://files.mariozaragoza.net/uploads/1/3/1/4/131406437/telot-zazudepozubut-vafebo-gigerada.pdfIn PDF document text
    • http://files.thegullahsociety.com/uploads/1/3/1/1/131163683/baad7b95.pdfIn PDF document text
    • http://vitejuwub.dragonflypediatricot.com/uploads/1/3/2/3/132302966/0d6927c.pdfIn PDF document text
    • https://site-1041169.mozfiles.com/files/1041169/70953332216.pdfIn PDF document text
    • https://site-1043098.mozfiles.com/files/1043098/95176163598.pdfIn PDF document text
    • https://site-1038378.mozfiles.com/files/1038378/foramaledavalezefoxofes.pdfIn PDF document text
    • https://site-1039737.mozfiles.com/files/1039737/susebelavosifafuxizuf.pdfIn PDF document text
    • https://site-1040321.mozfiles.com/files/1040321/gotijefanofazaf.pdfIn PDF document text
    • https://site-1038951.mozfiles.com/files/1038951/lofomepifesapitu.pdfIn PDF document text
    • https://site-1038901.mozfiles.com/files/1038901/kegeguliluwiduwaku.pdfIn PDF document text
    • https://site-1036819.mozfiles.com/files/1036819/kozol.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off00007a7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A7C 5408 bytes
SHA-256: ef20994dd82a26eca2882e4222e8f174d03c49aab3e966bd4b9240817b196bff
font_01_sfnt_off00008cbc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CBC 10484 bytes
SHA-256: 7d82da58f668ffa3ecc78dc4938db9aedc87b5ec2600cc45acba4a703658093d

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