Malicious PDF — malware analysis report

Static analysis result for SHA-256 4483e816b2d9308c…

MALICIOUS

PDF

44.6 KB Created: 2020-08-09 11:27:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0d0d69a7cc6c5d6010a33c7d2926d1d8 SHA-1: 4f5953d68f9cfd43ea78a234c835e0b27e6e90bb SHA-256: 4483e816b2d9308c2f808936d6d6bffb769eb604a3e005fa2ce84f784c47b5c2
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/pify?keyword=livre+apprendre+le+piano+pdf, which is flagged as malicious. This suggests the PDF is designed to redirect users to malicious infrastructure, likely for further exploitation or phishing. The ML classifier strongly supports the malicious verdict.

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.ru/pify?keyword=livre+apprendre+le+piano+pdf In PDF document text
    • http://dimutilu.studio5designsph.com/uploads/1/3/1/1/131164250/fevemuz.pdfIn PDF document text
    • http://jigunol.lavedettebooking.com/uploads/1/3/1/4/131407406/1261907.pdfIn PDF document text
    • http://files.nvarealestateresource.com/uploads/1/3/0/7/130776786/basepanojovegip.pdfIn PDF document text
    • http://dumow.creativeawarenesscounseling.com/uploads/1/3/1/6/131636725/ribaj.pdfIn PDF document text
    • http://files.drdawnmarie.com/uploads/1/3/1/3/131380985/2339042.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/1/0428/3963/8179/files/xurizirigobale.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5434/2042/files/67508078431.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0872/1045/files/lirajawipozaxekukepusav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0817/8845/files/90689634064.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8893/7120/files/69738041761.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4012/6614/files/rijajujufumaberozogano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6559/8364/files/nigog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0744/2072/files/46248288297.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7669/7760/files/b_tech_full_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6000/1954/files/fenowamunuzi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6431/0425/files/2937760109.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 4

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_off00006cc9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CC9 4856 bytes
SHA-256: 443305ed12a3e73c92d6e8a7e6dc2c54565c1d9faec426fdc3c3dd8e813afd72
font_01_sfnt_off00007d6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D6F 12452 bytes
SHA-256: 163721586762e4358d741e8ee2622f18db75b5edea9e958473b6acdcb0d30cfa

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