Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6036b1aa0e840f2…

MALICIOUS

PDF

52.1 KB Created: 2020-08-10 19:13:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 86672dacc18b4c0dea7ead1ea8a17d65 SHA-1: 0d7a1de467a99931422b33a2b1e92e6c80448c4a SHA-256: a6036b1aa0e840f2436789f2fab209928742236760fd41a86fbf6a730222cab0
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous embedded links, with one critical heuristic identifying a malicious redirector. The document body, though heavily obfuscated, contains text related to 'plastic waste management book pdf' and a URL that matches the malicious redirector. This suggests the document is designed to trick users into clicking the link, likely leading to a phishing or malware download site.

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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://ttraff.com/pify?keyword=plastic+waste+management+book+pdf In PDF document text
    • http://files.impact2success.org/uploads/1/3/0/7/130775561/3709239.pdfIn PDF document text
    • http://files.nationalinnov8tive.com/uploads/1/3/0/7/130739155/gamawafobamimew.pdfIn PDF document text
    • http://xiwekura.underthehill.com/uploads/1/3/1/4/131405927/7301efdbf.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/1/0431/5122/9089/files/69672859417.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9643/2021/files/tunop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4211/1641/files/dexiruxifijisix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9411/4465/files/teguxarubu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8351/3494/files/gagefuxixatanule.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0922/0503/files/ancora_ludovico_einaudi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3885/0719/files/hearthstone_open_all_packs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2990/6079/files/clasificacion_de_tejidos_animales.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86399573169.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2702/1480/files/32790763166.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6454/0840/files/approximation_questions_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1822/1730/files/maguvisasuputupakakuvijak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7777/1164/files/19943054261.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5459/5224/files/robunivajakitu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4443/6128/files/575257565.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 7

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_off00008aed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AED 5676 bytes
SHA-256: 5728b7073e620e599c8c7590fa7506d8896596ba09735d0d37795bd78e14f32e
font_01_sfnt_off00009e38.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9E38 10972 bytes
SHA-256: 460ed094ae04b6320839e5395e591a244362ee53554e5a9fd81838d1ad4eb7fb

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