Malicious PDF — malware analysis report

Static analysis result for SHA-256 96d401dc3e42e609…

MALICIOUS

PDF

68.8 KB Created: 2020-11-19 05:25:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23
MD5: 39534f759cca9e45df87bbc644743801 SHA-1: 6a9c55ba15d8f042a3370d43f02846a4c4d8d35e SHA-256: 96d401dc3e42e609c313b6d010188bf7020ad89d302bde00128ab916c617bd14
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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/123?utm_term=panasonic+inverter+microwave+manual+nn-sn778s In PDF document text
    • https://cdn-cms.f-static.net/uploads/4414175/normal_5f949532e63e2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420248/normal_5faaa8252109e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369189/normal_5f9f34d970fac.pdfIn PDF document text
    • https://kizekusoviwo.weebly.com/uploads/1/3/1/4/131453028/d168944e22ef23b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371261/normal_5f9ce3eda1b5a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447630/normal_5fadf1d0d2fe0.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/nabifovu/pintores_espanoles_del_siglo_xix.pdfIn PDF document text
    • https://s3.amazonaws.com/zazelujeju/3472517671.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ca333734-3b7d-4776-89a2-c62d19a965fa/apush_score_calculator_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/vipuxafol/jazijuvasupawofa.pdfIn PDF document text
    • https://s3.amazonaws.com/vatosolikijike/horry_county_public_records_warrants.pdfIn PDF document text
    • https://s3.amazonaws.com/bokofapig/seliw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3182e137-00a8-4ffe-a2bc-5adb6b7c963e/coca_cola_memorabilia_price_guide_online.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/51cb3e7b-692c-4c55-9f94-97d946e2e444/86388044156.pdfIn PDF document text
    • https://s3.amazonaws.com/jevuxozazebazug/kefeb.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_off0000cd84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD84 5404 bytes
SHA-256: 789f7cafb8e92a35d25ea0ed49e8952c2e4d3e5b5b4e85062898c8c5ce3289ce
font_01_sfnt_off0000dff2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFF2 10972 bytes
SHA-256: fb8145ae1f58212c56fbf9ad79c6b53fcdeeb3235a6da7dbc35507659d159b32

Open this report in the interactive analyzer, or submit your own file for analysis.