Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5456ef0848ce922…

MALICIOUS

PDF

41.3 KB Created: 2020-08-16 18:49:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 89c19f06684a960fef862e9147112186 SHA-1: c1ea78e35618688b2d5c0cf8245a42d398d268b2 SHA-256: e5456ef0848ce9221773e90fe660718e04f875d522249a5c7ba3ed5475aed0ed
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'botanical colour at your fingertips pdf'. The primary malicious URL identified is https://ttraff.ru/pify?keyword=botanical+colour+at+your+fingertips+pdf, which is likely used to redirect users to further malicious content. The presence of numerous Shopify links suggests an attempt to blend in with benign content while distributing malicious redirects.

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=botanical+colour+at+your+fingertips+pdf In PDF document text
    • http://kaxuzutez.pawneeil.net/uploads/1/3/1/6/131607240/vijoxufiratoraso.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/1/0429/9217/3217/files/tigodozosapupuzezetez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2060/6885/files/77692525830.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7777/1162/files/stripe_checkout_form_wordpress.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8611/7032/files/mh4u_key_quests.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7857/3464/files/20885613271.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6545/0389/files/madoka_magica_movie_4.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6245/2643/files/medivil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1030/1847/files/makalah_akuntansi_perpajakan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7664/9124/files/51118197421.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7547/7416/files/3457082540.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 2

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_off000063db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63DB 5476 bytes
SHA-256: c7eab7d953d733904c148f100131666029aa36033904d64389c4e3b2fc2912a1
font_01_sfnt_off0000768e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x768E 10044 bytes
SHA-256: 6ccdba6511e197dbaac4095ae9c6d243295a68fdf758bafd63b44dac354cc1e3

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