Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce6e602c4cbeb571…

MALICIOUS

PDF

49.8 KB Created: 2020-10-04 05:24:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 58919f3c8dfa3abd7b17d561adea55dd SHA-1: 501b3387d4b28539e5fd364874e93931bd8c57a6 SHA-256: ce6e602c4cbeb5714e569df6743ab478a1290cb61b04997238d7391e6fae5520
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 3

  • 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.
  • 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/strik?keyword=26+techniques+for+astral+projection+pdf In PDF document text
    • http://files.wyndancegoldens.com/uploads/1/3/0/7/130738637/poxuruwuno.pdfIn PDF document text
    • http://files.thescans.org/uploads/1/3/1/6/131636655/2cb8c29.pdfIn PDF document text
    • http://files.innerpeace-yoga.com/uploads/1/3/2/3/132303092/19180a.pdfIn PDF document text
    • http://files.renevelarde.net/uploads/1/3/1/6/131606431/87142fe.pdfIn PDF document text
    • http://zisizuxox.bigwoodns.com/uploads/1/3/0/8/130874631/fizukenumaf.pdfIn PDF document text
    • http://vivukojij.toughwarriorprincess.com/uploads/1/3/1/4/131483065/6965630.pdfIn PDF document text
    • http://files.heartfeltwoolexpressions.com/uploads/1/3/1/6/131606121/mazejekurot_lefonigasoxeki_wupefagexuf_fejupebufanu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6693/0840/files/short_byronic_hero_definition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8221/1733/files/16961374629.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5822/4549/files/what_is_a_professional_association_in_australia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/6870/5954/files/89512571294.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4135/7977/files/teoria_general_de_la_administracion_idalberto_chiavenato.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9044/4445/files/concentration_commentary_examples.pdfIn PDF document text

Related samples 5

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b47a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB47A 3232 bytes
SHA-256: f302e0d3c93b52f59d6e9728e72527e640dbef01424031b2bd3f71147ed03797

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