Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ba49adc07222eeb…

MALICIOUS

PDF

39.5 KB Created: 2020-08-17 00:28:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6427d7876814a69de2f90358fb2e9dc3 SHA-1: f7d833c5b75fa700bae31ed36107f17283a2bced SHA-256: 9ba49adc07222eeb98c6b2091a5e48a0fa56db9fa94c7732422b617847529f7a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass of external links, including a critical link to a known malicious redirector at `ttraff.cc`. The document body, though heavily obfuscated, contains the string 'pallet town theme sheet music' and the malicious redirector URL, suggesting a lure to disguise the malicious intent. The presence of numerous Shopify-hosted PDF links indicates a link farm SEO tactic, likely to obscure the primary malicious destination.

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.cc/pify?keyword=pallet+town+theme+sheet+music In PDF document text
    • http://lopobu.jgerenstein.com/uploads/1/3/2/6/132681464/dubegexuxetepuza.pdfIn PDF document text
    • http://files.transcultural-care.com/uploads/1/3/2/7/132740275/222565.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/1/0431/1570/8580/files/20075966738.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/53965687044.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9141/8526/files/75250349476.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/2446/0445/files/jawabifexe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6676/9054/files/22298795008.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuwunojipodaga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3234/4736/files/mowejomilizatedizijumu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2179/4460/files/20229520004.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8713/2827/files/slack_delete_channel.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_off00005e85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E85 5036 bytes
SHA-256: 069b9512febf2d8743133030712e66b8834058cbbe23ba5c5c343d740f4a3e58
font_01_sfnt_off00006f8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F8D 9908 bytes
SHA-256: 659acc2c20e0e62b3477ce1f541a54c70fdf6afbe2600a514d1b2ea750808eda

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