Malicious PDF — malware analysis report

Static analysis result for SHA-256 c59ea6cfc4b600f1…

MALICIOUS

PDF

63.1 KB Created: 2020-08-07 20:53:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 73a46ad7d81f4407b931d0cf18eb6186 SHA-1: cf9717b62d46050346be3d9ffbd409496370694f SHA-256: c59ea6cfc4b600f1865ce52873b9c7c79310cf32698df24f7a64023d2dc7a20c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to a redirector service (ttraff.com) and then to various PDF files hosted on Shopify and other domains. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=natural+language+processing+pdf', suggesting a lure related to 'natural language processing' to drive traffic to malicious infrastructure. The heuristic firings confirm the presence of malicious redirector links and a link farm.

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=natural+language+processing+pdf In PDF document text
    • http://files.twopsinapodohio.com/uploads/1/3/1/0/131070993/wikiparuzomareg.pdfIn PDF document text
    • http://files.creativeripplesbylisa.com/uploads/1/3/2/8/132814071/9389569.pdfIn PDF document text
    • http://files.paterpaulus.us/uploads/1/3/1/3/131383982/tawuzejuz.pdfIn PDF document text
    • http://files.blvdpub.com/uploads/1/3/1/4/131411539/pakigeb.pdfIn PDF document text
    • http://files.joyohagwu.com/uploads/1/3/2/6/132681368/mafemenozakaleboz.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/1/0434/0521/3847/files/33656464742.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1440/5793/files/38047336750.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3821/0205/files/puxisowavemanalojurake.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4963/2412/files/89119408401.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9000/1572/files/70127393759.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4032/6300/files/zelumab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5896/1315/files/jeriguzixivinalosuxudel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/28821374719.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3165/7638/files/pesiveboxopitan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9110/7742/files/usar_el_cerebro_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9755/4084/files/48173490568.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_off0000b3a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB3A1 5292 bytes
SHA-256: 47b7af6b4838cb01cbdb5caae30a6c7c5d3c2ab5fe913028a8c3877ffd08bfb3
font_01_sfnt_off0000c5b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5B8 13356 bytes
SHA-256: 769efabd8ff08467326cfe05084966f9fa1d612360b28fa9b73bb78ddbdab9cd

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