Malicious PDF — malware analysis report

Static analysis result for SHA-256 954817f2d6f7d354…

MALICIOUS

PDF

55.1 KB Created: 2020-08-07 00:26:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 955682404b08691e5d95e3f193e1a209 SHA-1: c8085a57570c40121f1e50e2e3a82183686c6fa9 SHA-256: 954817f2d6f7d354507041f263f4623d2a69208e7617d418abd3d558a53b5fc1
194 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=ableitung+%25C3%25BCbungen+pdf, which is a critical indicator of malicious intent. This suggests the document is designed to redirect users to malicious content through 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.cc/pify?keyword=ableitung+%25C3%25BCbungen+pdf In PDF document text
    • http://files.blacklicoriceweddings.com/uploads/1/3/0/9/130968943/wiluxofumebi_povatidepegal_dokimukig_mawub.pdfIn PDF document text
    • http://files.grinnellcecbucketcourses.org/uploads/1/3/0/7/130775108/8469246f76.pdfIn PDF document text
    • http://files.wipeerrunorganizations.org/uploads/1/3/1/0/131070207/2762073.pdfIn PDF document text
    • http://files.jessiejewelsart.com/uploads/1/3/1/3/131398507/fdc1d42fe58382.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/1/0437/0700/7127/files/xerotobesesuvalotugi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0028/0734/files/94035047593.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0783/5292/files/metodos_y_tecnicas_de_investigacion_en_psicologia_clinica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1018/5621/files/brand_awareness_articles.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0138/6920/files/85955833864.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2990/2998/files/57911055783.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6879/2733/files/33328608240.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0947/2669/files/74284032366.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4959/9651/files/498268715.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7214/3001/files/vobizarosu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5725/9420/files/95307291125.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1916/5086/files/10982863924.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008df1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DF1 4972 bytes
SHA-256: e1e802f0e05dc365c3a8fd7127826ed348ff8b13134930379db914562dba8f18
font_01_sfnt_off00009ec1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9EC1 14996 bytes
SHA-256: ff88544393b601a05949da06d20caa8208a8b9f20d87bc280831e525fd1ff483