Malicious PDF — malware analysis report

Static analysis result for SHA-256 2bd82f06524c5e6a…

MALICIOUS

PDF

41.4 KB Created: 2020-10-16 08:02:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: ddd06f2eea48aa26e9275a0091a349b1 SHA-1: 5df12d7dac202de1b60b69ba86877edfd262961b SHA-256: 2bd82f06524c5e6a0f17abcf6d60ea0f26091e49ae4b5da9350b07ea3a5309ec
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/123?keyword=watermark+pdf+acrobat+xi In PDF document text
    • https://pezopipowom.weebly.com/uploads/1/3/1/4/131406060/786382.pdfIn PDF document text
    • https://fulipevaxavu.weebly.com/uploads/1/3/2/6/132695351/8d82963.pdfIn PDF document text
    • https://dapujevubo.weebly.com/uploads/1/3/1/4/131438680/luvekuvufukukuxup.pdfIn PDF document text
    • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/3731638.pdfIn PDF document text
    • https://xetutinafo.weebly.com/uploads/1/3/0/7/130775845/8583313.pdfIn PDF document text
    • https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/ziburuvoso.pdfIn PDF document text
    • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/6023986.pdfIn PDF document text
    • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/1d44b872.pdfIn PDF document text
    • https://gukaguse.weebly.com/uploads/1/3/1/3/131398473/suvib-labifoxorisod-wevakimilirori.pdfIn PDF document text
    • https://jemiwuwavaza.weebly.com/uploads/1/3/0/8/130814288/bibesekukemugedovofa.pdfIn PDF document text
    • https://xebikazogede.weebly.com/uploads/1/3/2/7/132740990/3251463.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366949/normal_5f87d61ec4080.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369777/normal_5f88d933b1090.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367642/normal_5f87578b60a28.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368249/normal_5f8767f740877.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366337/normal_5f872f0159e09.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8203/9964/files/movabapewadujisos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6288/5541/files/18140992548.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/0580/4195/files/sweet_onion_chicken_teriyaki_recipe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0920/2597/files/lunijawupox.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_off00006337.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6337 5376 bytes
SHA-256: 1a0a6126c94cbe4727e4bed13e35fe14623436a495198cb7fff2cf7c36d20f8d
font_01_sfnt_off00007579.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7579 10192 bytes
SHA-256: c1dc96c76eff4a6881feae78327c88829da99136428a5fd8df6ebb914bb890bf

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