Malicious PDF — malware analysis report

Static analysis result for SHA-256 8911e71ff25be68c…

MALICIOUS

PDF

38.0 KB Created: 2020-11-04 06:47:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: d7c4ddfe5352a7b51ee0c968322e0446 SHA-1: 9c068b506f0b070b066ce038d3b9663b56e65caf SHA-256: 8911e71ff25be68caf85356589dfbd13acfc27b1957df3e1ae417521aa61a361
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/aws?keyword=harry+potter+book+2+pdf+online In PDF document text
    • https://cdn-cms.f-static.net/uploads/4416666/normal_5f956fd66e8ad.pdfIn PDF document text
    • https://nukafezika.weebly.com/uploads/1/3/4/5/134510633/3932329.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4390095/normal_5f91c68543833.pdfIn PDF document text
    • https://tomojuvugitem.weebly.com/uploads/1/3/4/4/134475437/kolizejurob.pdfIn PDF document text
    • https://xibedawik.weebly.com/uploads/1/3/4/5/134584063/latodinaji_peduzaru_wikomi.pdfIn PDF document text
    • https://dizuzoboxok.weebly.com/uploads/1/3/4/3/134351397/8622d.pdfIn PDF document text
    • https://mabudorowux.weebly.com/uploads/1/3/4/4/134458492/selolobozetefasasux.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404739/normal_5fa21df484533.pdfIn PDF document text
    • https://votawaxamudogop.weebly.com/uploads/1/3/4/4/134400347/jikasiruza.pdfIn PDF document text
    • https://wuvirinofibugiz.weebly.com/uploads/1/3/1/0/131070402/ruluvojasexanudup.pdfIn PDF document text
    • https://jamafijuzu.weebly.com/uploads/1/3/1/4/131437216/likunema.pdfIn PDF document text
    • https://tanifovekula.weebly.com/uploads/1/3/1/3/131379991/bogigutamonuga-fewezegede.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/bizamesuwepe/free_psn_codes_generator_2020.pdfIn PDF document text
    • https://s3.amazonaws.com/wuzalugiseto/tugejaz.pdfIn PDF document text
    • https://s3.amazonaws.com/tetazino/intoxication_arsenic.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_off00005612.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5612 5256 bytes
SHA-256: e8541c274f10d5e33429465987d9a4da2a6c504f1d972862ad62a6f10909db96
font_01_sfnt_off00006808.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6808 10280 bytes
SHA-256: cf73a48f7d38c42a556976ef47fe45b4d2cd27024c81cd9b5909c35f8f8c6d9a

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