Malicious PDF — malware analysis report

Static analysis result for SHA-256 704be28e7b974ff1…

MALICIOUS

PDF

51.7 KB Created: 2020-07-31 12:49:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 85268c3b18f8a03784b490fc24a15524 SHA-1: ad22cc1cacca49e56584430af214599a5897a3f2 SHA-256: 704be28e7b974ff11a34b1e4761a3d3d532e64bf676b9e4a8452f9336c794676
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links to external PDFs hosted on various domains, many of which are likely part of a link farm. One prominent URL, https://ttraff.com/pify?keyword=cervical+screening+test+guidelines+pdf, is identified as a malicious redirector. This suggests the document's primary purpose is to direct users to potentially malicious content through a series of redirects and SEO-optimized links.

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=cervical+screening+test+guidelines+pdf In PDF document text
    • http://files.bitemephotos.com/uploads/1/3/0/8/130814459/5aa35b80d33149.pdfIn PDF document text
    • http://files.terracepipesanddrums.ca/uploads/1/3/0/9/130969984/piwefifegetote.pdfIn PDF document text
    • http://files.sussexeyecenter.com/uploads/1/3/2/7/132740445/ff0ce374cba13.pdfIn PDF document text
    • http://files.cccaabbrefs.com/uploads/1/3/0/7/130740256/8886256.pdfIn PDF document text
    • http://files.didsburyjuniors.com/uploads/1/3/2/6/132681824/maxipupamekep.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/1/0429/4085/8527/files/59905834248.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0883/5236/files/26431248924.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6067/4198/files/38224774053.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1008/8357/files/sufopuwupuwusutep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2749/6087/files/46282845211.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2565/2136/files/vuligabezegogemewob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6191/1460/files/juparek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9778/3458/files/82228601710.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1510/9794/files/basakuzunekox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1760/9122/files/30480490133.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_off00008d2d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D2D 5180 bytes
SHA-256: 8051ae657a784d35f3530252eacca98cdba583bc7b5dbe8f4c18fed0bec979f4
font_01_sfnt_off00009ee0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9EE0 10132 bytes
SHA-256: 87397022b7a075f7e8f506123ad277c3570928920c22853a5084dae5c6dc4761

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