Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed5dddc893077eba…

MALICIOUS

PDF

50.2 KB Created: 2020-08-10 20:14:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7547aadba5a66b442d813166be625ae3 SHA-1: 288ad9148ffce6d382b2762ffb6191f3e86a4c8f SHA-256: ed5dddc893077eba6b58fa6c15ab79b9887a8d41312ff907ed0343d5fcf3f67e
194 Risk Score

Malware Insights

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

The PDF document contains a link farm designed to redirect users to malicious infrastructure. The primary malicious URL identified is https://ttraff.cc/pify?keyword=demographic+transition+theory+in+nigeria+pdf, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and numerous other links hosted on Shopify, likely to improve search engine ranking and evade detection. No scripts were extracted from this sample.

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=demographic+transition+theory+in+nigeria+pdf In PDF document text
    • http://files.xminimumy.com/uploads/1/3/2/6/132695546/e8a337e3ecb.pdfIn PDF document text
    • http://files.jenniferwilsonwellness.com/uploads/1/3/1/4/131405948/7784900.pdfIn PDF document text
    • http://files.camera1.ca/uploads/1/3/1/3/131380413/pizixejawij.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/1/0428/1332/5471/files/74314632378.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1227/5870/files/19589308344.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4532/0861/files/98869207783.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0198/6723/files/kidagutojiweb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/14981909947.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2812/7654/files/2751800268.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3237/1622/files/95936488802.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4431/6070/files/automatismo_industriales_editex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2393/2311/files/certified_nursing_assistant_resume.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2025/3344/files/zurebederoxasevoluxakox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6688/4250/files/basic_probability_examples.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3100/2264/files/arinc_429.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5937/9357/files/jijamagunizinutikilodosaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6141/9927/files/37266785738.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_off00008584.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8584 5636 bytes
SHA-256: 4fd795904b76287f3a178b113b5b3e717cd20ec9449b2c4ea99e251cb4b1a4db
font_01_sfnt_off00009893.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9893 10304 bytes
SHA-256: fb9d04849d7ced907594efb2b1bb8a3b4a316393f0312e14fbd5504fc8a40300

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