Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a24a54b50423135…

MALICIOUS

PDF

58.6 KB Created: 2020-08-18 14:48:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7611ab6f9e263bee9b42e0bacbf27a8f SHA-1: d4279dc83950bba9d7c6921f1a81342a73767f28 SHA-256: 4a24a54b50423135ce52ec30321c4109ed21ff8d0971611e1db3cda040886ec5
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains the same malicious URL, suggesting the primary intent is to redirect the user to this malicious site. No scripts were extracted from this sample.

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=darksiders+warmastered+edition+achievement+guide+and+roadmap In PDF document text
    • http://files.screenvortex.com/uploads/1/3/0/8/130874520/radan.pdfIn PDF document text
    • http://xitili.tssusart.com/uploads/1/3/1/4/131437792/4015169.pdfIn PDF document text
    • http://files.oxbowriversnorkeling.com/uploads/1/3/0/7/130775223/8772654.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/1/0438/8087/4139/files/potijunikiwasememid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3929/3589/files/social_entrepreneurship_defined.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0364/2007/files/31044079910.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4886/9789/files/noraj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8080/0674/files/how_to_sort_data_in_google_sheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8336/5528/files/14162798746.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5604/4951/files/amazon_fba_books.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2786/3464/files/bad_company_2_player_count.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3595/7147/files/actuarial_mathematics_for_life_contingent_risks.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7148/8668/files/47022280282.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/3220/4696/files/tozilajululifikivodik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0673/0138/files/dovesenowoxonufeduzot.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_off0000a654.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA654 5672 bytes
SHA-256: 106d7e847e80de8ea5ffc37a931aba9946cbc94b60905deebfbed63ac21d7a3d
font_01_sfnt_off0000b99a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB99A 10360 bytes
SHA-256: 1934f029e6d48c39f56b9631462a6be2f815de466558aeee620fc6efef582dc9

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