Malicious PDF — malware analysis report

Static analysis result for SHA-256 e00ce6a1ef2e2b67…

MALICIOUS

PDF

50.4 KB Created: 2020-10-05 23:13:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: 7ca9ded24377c8e2ad7d8dca131d1cea SHA-1: 7862638a575e1443bc7bbc1760bb9e10d40630bb SHA-256: e00ce6a1ef2e2b676e497c39b22ef7a8d78f856b8ae866e1aa347c8d27619704
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://cctraff.ru/strik?keyword=teaching+english+in+algeria+middle+school+pdf In PDF document text
    • https://site-1036861.mozfiles.com/files/1036861/jiwanodazu.pdfIn PDF document text
    • https://site-1037120.mozfiles.com/files/1037120/92843981285.pdfIn PDF document text
    • https://site-1038323.mozfiles.com/files/1038323/53580224817.pdfIn PDF document text
    • https://site-1044503.mozfiles.com/files/1044503/tojizo.pdfIn PDF document text
    • https://site-1037048.mozfiles.com/files/1037048/jupuxuximufotepejojoxugel.pdfIn PDF document text
    • http://suposa.suegreenhampiano.com/uploads/1/3/0/7/130775940/zuwivoj-nisuvabofudat.pdfIn PDF document text
    • http://ledut.rfproducts19.co.uk/uploads/1/3/0/7/130775732/retadogofedom.pdfIn PDF document text
    • http://files.rgordonbuilt.com/uploads/1/3/1/4/131455463/legitis.pdfIn PDF document text
    • http://files.architexturedance.org/uploads/1/3/1/0/131070982/wujabuta-limefiwo-bomuzet.pdfIn PDF document text
    • http://files.leannagant.com/uploads/1/3/2/6/132682905/lojoxidoteko-makibedavugoteg-taledewada.pdfIn PDF document text
    • http://dojefili.tompigotpaintings.com/uploads/1/3/2/7/132740478/wamop-jatigu.pdfIn PDF document text
    • http://files.philsela.org/uploads/1/3/1/4/131407029/filavumofumuxe.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/1/0440/6139/3046/files/wuxuvekude.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/2209/2952/files/1300046782.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1977/9742/files/muzenuxosutaxosiwewe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1717/3149/files/mechanical_engineering_quotes_wallpapers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0485/1689/0786/files/vidmate_apk_latest_version_2016_download.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007aa4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AA4 5516 bytes
SHA-256: 40e8b12665299b5b00cae7e4e707604294b93c9e2abe356c14d9d4864c15b9cb
font_01_sfnt_off00008d33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D33 2084 bytes
SHA-256: 58a4d23345d8ea7128a8926e7bf6529323668f0cd4a963240a96e4bbb028baec
font_02_sfnt_off00009646.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9646 11292 bytes
SHA-256: 1b6f218ae920091e9457dbb9343423fd95ebebcafcc5e886c525de89a1ab8967

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