Malicious PDF — malware analysis report

Static analysis result for SHA-256 47d05886f050a6a1…

MALICIOUS

PDF

72.8 KB Created: 2020-10-01 09:18:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: 700c58711f1bdac206119b318b7764cb SHA-1: de94c71fe8f07e6857e985304a6537ef68e30e97 SHA-256: 47d05886f050a6a12a360bb2f24350cde0d22fa35f0b4ce591748b2e3997a213
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://ggtraff.ru/strik?keyword=georgia+6th+grade+math+standards+pdf In PDF document text
    • http://kuzogogu.independanceproject.org/uploads/1/3/0/8/130814328/juronegewezibokuzore.pdfIn PDF document text
    • http://sukolixe.artistiquegym.com/uploads/1/3/0/7/130775997/raliv_torasutal.pdfIn PDF document text
    • http://files.loreleilinklater.com/uploads/1/3/0/7/130775475/dazobetemeso-zupelugedon-babajixijojabe-varorurupav.pdfIn PDF document text
    • http://files.hileyhairclub.com/uploads/1/3/0/8/130813453/nokomomemolizame.pdfIn PDF document text
    • http://pupizidug.skavenger-hunt.com/uploads/1/3/0/9/130969475/wadogax-pevuz-magijeji.pdfIn PDF document text
    • http://files.hansenrestoration.com/uploads/1/3/0/9/130969494/dosugezuzijatinojati.pdfIn PDF document text
    • https://site-1037143.mozfiles.com/files/1037143/70073124302.pdfIn PDF document text
    • https://site-1036823.mozfiles.com/files/1036823/selamijenitupivazasadebi.pdfIn PDF document text
    • https://site-1036868.mozfiles.com/files/1036868/37409577761.pdfIn PDF document text
    • https://site-1036883.mozfiles.com/files/1036883/68969783044.pdfIn PDF document text
    • https://site-1037094.mozfiles.com/files/1037094/kilirukolifizuwoje.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/ab8ac785-7821-40df-8477-e12c38668305/67958469469.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/295d978e-b369-42e5-8d32-401763119061/nedamovigixi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d6bf3f92-d86b-4ea4-90ac-ef2962ef7869/sodejine.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2644e7d2-7600-447c-9763-8afda6d2976e/bivadepixem.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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e157.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE157 5608 bytes
SHA-256: 59600fd9bbc851e82441ada92b672647a770829d9d37edacb999df0ef9fe023e
font_01_sfnt_off0000f43e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF43E 9904 bytes
SHA-256: c480a71f30be0ed131ee0dc6fbd4ee196545bb5c23839562beeb9fca0eeb428d

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