Malicious PDF — malware analysis report

Static analysis result for SHA-256 9eaddddbb148a0c9…

MALICIOUS

PDF

47.1 KB Created: 2020-08-19 10:10:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4b70cabcd6e0fb5c75864633525d563d SHA-1: 1e21109bddf22994394a8ae5ccf7d80d9894a250 SHA-256: 9eaddddbb148a0c9767d9fb5cdce027f8bcdea294f40751e9aebb6fedb94f8c3
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 of which point to a redirector service. The primary malicious URL identified is https://ttraff.com/pify?keyword=cardview+dependencies+in+android, which is flagged as malicious. The document body, though heavily obfuscated, contains this URL and other links to external PDFs, suggesting a link farm or redirection tactic to deliver further malicious content. The presence of numerous external links, including those hosted on Shopify, indicates an attempt to obscure the ultimate destination and potentially leverage legitimate platforms for hosting.

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=cardview+dependencies+in+android In PDF document text
    • http://files.phillipsbanini.org/uploads/1/3/2/8/132815015/588c46.pdfIn PDF document text
    • http://files.byrdhouseandladybugs.com/uploads/1/3/1/8/131872238/5714882.pdfIn PDF document text
    • http://lusepo.audaciousadmin.com/uploads/1/3/0/9/130969633/zebapaliralo.pdfIn PDF document text
    • http://files.powermilers.org/uploads/1/3/0/8/130814052/8900245.pdfIn PDF document text
    • http://files.mkayinthemountains.com/uploads/1/3/0/7/130740097/wizimeko-zujisin.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/1/0427/5165/6102/files/geometric_progression_word_problems.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7788/6367/files/43547128354.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4843/3829/files/pdf_blob_javascript.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5973/9814/files/riwekulimurumazokiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5990/2624/files/teaching_brochure_templates_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3732/5462/files/34379374814.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8729/7696/files/36801328566.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6479/5044/files/vazarolud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5549/6866/files/rutupukigelilona.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6880/7578/files/cold_rolled_sheet_metal_properties.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2094/9403/files/lifexevojisedafojevam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2987/2292/files/mivod.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
🗂 Part of campaign: byrdhouseandladybugs.com 3 samples

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007b24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B24 5092 bytes
SHA-256: 8b171edcd63ff8eb3b4938cf949dc469e778a8ee460b8ae9b594c4d611efcb83
font_01_sfnt_off00008c97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C97 10052 bytes
SHA-256: ca874ec2406444f072ba0fe3610f3c88542c712da1fcf450a6f52e2255d3cd7b