Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e59cbc7d83023c4…

MALICIOUS

PDF

48.7 KB Created: 2020-07-31 13:19:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e1dbccf8edb044fc936102abb2006cc6 SHA-1: 38dd0ffaf430e83ec28386f029f2fade2da44a13 SHA-256: 9e59cbc7d83023c4eb28d9649bfc7cfb2607933c75adc26b2fa186150ec9398f
194 Risk Score

Malware Insights

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

The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The primary malicious URL identified is ttraff.com, which is used in conjunction with a keyword suggesting a lure for potentially sensitive documents. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the structure suggests a delivery mechanism for further malicious content.

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=the+economist+28+april+2020+pdf In PDF document text
    • http://files.whitethornherbals.com/uploads/1/3/0/9/130969573/954346.pdfIn PDF document text
    • http://files.bunniesandbeyond.org/uploads/1/3/0/7/130739470/a52ec67459.pdfIn PDF document text
    • http://files.medicinalrootsmagazine.com/uploads/1/3/0/7/130775653/niwetor_xemipuwufexo_gujojibir_dolelaz.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/1/0435/6508/8936/files/95773067245.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2583/3884/files/nijoravedabinuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4636/2527/files/64679678574.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1460/9303/files/xapofawaretemo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2022/1607/files/wixoketudaguzo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lejozusuxawunulimedobina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81599599528.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fapodepemiretewuroraga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4470/9276/files/wapaxujenikep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9524/4452/files/96649354679.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2853/7753/files/60966819629.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/30617095305.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_off00007d9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D9E 5600 bytes
SHA-256: 58c9299d247e0476e646f3e5f190935f870d95c3c644db814a7f697111a755e7
font_01_sfnt_off00009062.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9062 11024 bytes
SHA-256: 8ad4b01fcfe92ee1499d511646d9b328174e5d9fa7e8c00cf6814a8e40e2747c

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