Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b298a3533962d2e…

MALICIOUS

PDF

67.9 KB Created: 2020-10-01 13:34:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 3d73606d8598fc081357ee66bb780c19 SHA-1: abfa95ead6abeebb609be2fe53e48782aaba4e7e SHA-256: 2b298a3533962d2e2ae319148fba9a1c3c567c110f1e3ce60cfcd3d8c5c70304
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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 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://ggtraff.ru/strik?keyword=after+20+years+questions+pdf In PDF document text
    • http://files.manaserigallery.com/uploads/1/3/1/8/131871424/6a81f4014a20.pdfIn PDF document text
    • http://livoro.signingbabyexpress.com/uploads/1/3/0/9/130969663/9554114.pdfIn PDF document text
    • http://files.islandparkpreservationcoalition.org/uploads/1/3/1/3/131398095/6192131.pdfIn PDF document text
    • http://files.vibrantlifechiropractic.com/uploads/1/3/1/3/131398559/jakalaxolotofiso.pdfIn PDF document text
    • https://site-1036867.mozfiles.com/files/1036867/wotogapi.pdfIn PDF document text
    • https://site-1037916.mozfiles.com/files/1037916/kusevanofasatudobeb.pdfIn PDF document text
    • https://site-1037865.mozfiles.com/files/1037865/81893805115.pdfIn PDF document text
    • https://site-1037824.mozfiles.com/files/1037824/fujofafimuwuxa.pdfIn PDF document text
    • https://site-1039830.mozfiles.com/files/1039830/kazujufefowekoko.pdfIn PDF document text
    • https://site-1036791.mozfiles.com/files/1036791/fedivabesotosadipebegawu.pdfIn PDF document text
    • https://site-1037203.mozfiles.com/files/1037203/limifevij.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/93ad6f59-be81-4691-a8ac-a4caa6bc0b62/40418760553.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e43c8f77-4379-46fe-9f63-6e38324f80f1/18462115561.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bc33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC33 5376 bytes
SHA-256: 0c500b0ab6914233d4486170b54d9d28d5cb3c6f9e2035d634ebb2617e51d55c
font_01_sfnt_off0000ce8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE8A 11180 bytes
SHA-256: 62555406b32c77d1422cdeca966ffe6933a69bd7c880d5157fd5ad8bb566b567
font_02_sfnt_off0000f49a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF49A 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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