Malicious PDF — malware analysis report

Static analysis result for SHA-256 b532611cb9b7b05b…

MALICIOUS

PDF

41.8 KB Created: 2020-08-11 18:05:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b95309527a72512e1406c45fde4ca5be SHA-1: 524565611f133b11f4ff1f013afe9564c53ee326 SHA-256: b532611cb9b7b05bbfa63385742a18fcfa237c6d9e43052863d5a1b02c8ffd5d
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.cc'. The document body, though heavily obfuscated, also contains this URL and numerous other links to Shopify-hosted PDFs, suggesting a link farm or SEO poisoning tactic. The primary intent appears to be redirecting users to malicious infrastructure via the 'ttraff.cc' URL, likely for further exploitation or phishing.

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/wb?keyword=making%20sense%20of%20international%20relations%20theory%20pdf In PDF document text
    • http://files.wosherbalhealth.com/uploads/1/3/2/7/132740949/bowojegeze.pdfIn PDF document text
    • http://files.ntangi.com/uploads/1/3/1/4/131406592/1858532.pdfIn PDF document text
    • http://nodawamot.makerystudios.com/uploads/1/3/0/7/130740596/7969921.pdfIn PDF document text
    • http://files.alissandratstoyan.com/uploads/1/3/1/4/131437619/pusidevakunetis.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/1/0435/2085/2122/files/jipavigodikimosozezilaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8266/2553/files/engineering_manager_job_description.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2161/5775/files/66574895109.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6879/8614/files/sizojawekinubaso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4795/0248/files/tidule.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4899/1910/files/alteraciones_del_ciclo_menstrual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0522/0776/files/fur_elise_classical_guitar_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4333/2000/files/34433924293.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1621/4936/files/streamline_english_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7148/8668/files/mesaxusovamilawugizi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8392/2585/files/starting_out_with_java_7th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9199/2481/files/20057890193.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 6

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_off00006216.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6216 5472 bytes
SHA-256: f1b2cdb62fd8e3803aabbbc932229f76d1c6353924a7790109a9ba3127632b24
font_01_sfnt_off000074b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74B9 11460 bytes
SHA-256: a162aa69f6f403864a6a74901edb8792c3b9979cac2ed2c3f678b1b5ab0adaf6

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