Malicious PDF — malware analysis report

Static analysis result for SHA-256 609aad5c4e4f126a…

MALICIOUS

PDF

77.5 KB Created: 2021-03-04 13:32:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: 53c609b3b8172c1a36da58d7504429a2 SHA-1: 577474ae68a9ae59faec899c4bb698f78d207ad4 SHA-256: 609aad5c4e4f126a65309979d8e3d864871d89c25904204a4a41b62dcabac7a9
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://kuzutuzo.ru/wix?keyword=pocket+pitbull+for+sale+san+diego PDF link annotation
    • http://retys.space/paraphrasing_worksheets_for_high_schooliozns.pdfIn PDF document text
    • http://datab.vip/three_dimensional_shapes_worksheetywnul.pdfIn PDF document text
    • https://cdn.sqhk.co/rupomotiz/fjaSOgc/rudokawofivirurajixa.pdfIn PDF document text
    • http://static-get.top/tixozopawolenulowis6ev1p.pdfIn PDF document text
    • http://thecabinets.xyz/put_on_the_full_armor_of_god_esv4zl0s.pdfIn PDF document text
    • http://forexgeeks.net/robukij0oepy.pdfIn PDF document text
    • http://vodabutopidaru.getenjoyment.net/ratominelubisidavi.pdfIn PDF document text
    • http://katermore.ru/muscle_gaining_secrets_2.0eptp8.pdfIn PDF document text
    • http://gratoramaa.space/mad_river_guide_canoeryt7z.pdfIn PDF document text
    • https://cdn.sqhk.co/bularalunop/f7Wjiaj/14626733319.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/be120693-71ef-4511-ae48-d7a1632c0b93/pagurifa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b2fed805-7d18-4865-ab84-00472abe36b6/vobuwo.pdfIn PDF document text
    • http://bepinutarefe.rf.gd/45746301971.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1a8f1ec7-f332-4a7e-b396-864ee1bc661c/vubulokobupexuxifemop.pdfIn PDF document text
    • http://jezevenakos.myartsonline.com/ncaa_division_2_football_championship_history.pdfIn PDF document text
    • http://zadegijug.epizy.com/what_is_the_purpose_of_ode_to_a_nightingale.pdfIn PDF document text
    • http://tediguku.atwebpages.com/9615475056.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c11848a3-5830-4442-83a8-edb03ef09a04/95496759847.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_off0000f179.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF179 5528 bytes
SHA-256: bfa86ccae0795ef6ff21cd8dc1676c4ae9d12032391e42c7b2d31a29fdb2baec
font_01_sfnt_off00010457.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10457 10796 bytes
SHA-256: 6f59570eca7e16b37f7c81ac2d90126d61c00241c10715499be4fc8de913fe6d