Malicious PDF — malware analysis report

Static analysis result for SHA-256 ece76c72e5e21223…

MALICIOUS

PDF

48.4 KB Created: 2020-10-14 19:23:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: a10fffa327f85d57898f1da0b2ad5998 SHA-1: 6046691a3fdf0c88a5030da8041230a67b196803 SHA-256: ece76c72e5e212235f06652d0611524923d7a2666eae838053d461783902dab5
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.club/pify?keyword=plantas+venenosas+brasileiras+pdf In PDF document text
    • https://site-1038720.mozfiles.com/files/1038720/gosomunoxig.pdfIn PDF document text
    • https://site-1038863.mozfiles.com/files/1038863/fofuxerosewa.pdfIn PDF document text
    • https://site-1038606.mozfiles.com/files/1038606/90165102630.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365607/normal_5f8714705e357.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366017/normal_5f86fa255abd1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366017/normal_5f86fab936f56.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366041/normal_5f87017f409a1.pdfIn PDF document text
    • https://site-1036826.mozfiles.com/files/1036826/jenagolatexuzuliw.pdfIn PDF document text
    • https://site-1038332.mozfiles.com/files/1038332/lawegasoxaxuribumulibovun.pdfIn PDF document text
    • https://site-1043837.mozfiles.com/files/1043837/winkel_rechtwinkliges_dreieck_berechnen.pdfIn PDF document text
    • https://site-1038376.mozfiles.com/files/1038376/8614512366.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365661/normal_5f8721091c8e6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366022/normal_5f871fbe2f67c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366028/normal_5f87120c3bdd8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365626/normal_5f87049f87f85.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/a8222fb9-98bc-46b7-ac51-87ef2cd0ccd2/lodudoguxunil.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d25e048e-1566-42e4-9f9f-f54c35d1bc9f/vurogozoxakep.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b7a6bfe5-fa79-42e7-8ce0-3c8ee1c90330/rujekiginujororufufepanir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0266/9789/2031/files/midlife_crisis_band_pa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7548/5339/files/travel_fanny_pack_passport.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/1955/3944/files/black_and_decker_cordless_hedge_trimmer_18v_battery.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0273/9363/files/86597185108.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3905/4231/files/modim.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_off00007a68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A68 5236 bytes
SHA-256: 70f1b3db09f4b896286f3e9a1d1d9a0408969f0d65c03efd8fe0f86989f4895c
font_01_sfnt_off00008c40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C40 12668 bytes
SHA-256: d5e4d767d8c53328db3a66dbc4e061f7e78f96927b5ee73b893b238ddc75b03f

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