Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea0b93e7bb223555…

MALICIOUS

PDF

41.2 KB Created: 2020-08-22 01:19:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 666266bd4035c7215e5ae5811ab06321 SHA-1: 8321691b85fe03548e30d97ffc5d42336309f257 SHA-256: ea0b93e7bb22355533849547b9d3a61fd9c2df2c344ac3911599777e5f756be6
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=android+apps+development+tools+list'. This URL is presented within the document body, disguised as a resource for 'Android apps development tools list'. The file also exhibits characteristics of a link farm, with numerous external PDF links, many hosted on Shopify. The primary intent appears to be directing users to malicious infrastructure through a deceptive lure.

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=android+apps+development+tools+list In PDF document text
    • http://files.irishdancect.com/uploads/1/3/0/9/130969507/jewimam_zutowawofela_pebemafofokegog_xazumujefowatin.pdfIn PDF document text
    • http://files.prudencehorne.com/uploads/1/3/1/4/131483336/mibefigozakido_bativegewusenub_kokezi_kigub.pdfIn PDF document text
    • http://files.global-banking.net/uploads/1/3/1/4/131483149/63ec9f.pdfIn PDF document text
    • http://subotu.catcaricature.studio/uploads/1/3/1/3/131398252/xurutizidumirebox.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/1/0432/2187/6899/files/20865038079.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/2401/2696/files/chronicle_of_a_death_foretold_chapter_1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4994/3202/files/28204092395.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5703/6968/files/evaluation_of_mucoadhesive_drug_delivery_systems.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6934/8763/files/sugapukolixuzatuzavu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2135/3635/files/70570103522.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9551/4535/files/homeopatia_libros_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7209/4362/files/52211586370.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4575/6833/files/apigee_tutorial_for_beginners.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9815/2866/files/29933225995.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5040/0928/files/67255115343.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9790/6589/files/solid_waste_management_vtu_notes.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_off00006313.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6313 5156 bytes
SHA-256: e2dd585642195a48b839e9c65e1428537d2cc3e7be74870822c2f6559b41ca93
font_01_sfnt_off00007487.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7487 10284 bytes
SHA-256: 57f52e53a502e1017533d343e441a3381ac491bdc8604d4a9d84e6b713ccff77

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