Malicious PDF — malware analysis report

Static analysis result for SHA-256 a476df0bd8c699e8…

MALICIOUS

PDF

45.4 KB Created: 2020-07-31 06:47:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 69601acddd4caf419ba1216a974984e3 SHA-1: 30c359a3830e4dbf9c5d4cafd0678af24f91c842 SHA-256: a476df0bd8c699e85f3c432147fa866d5e8b10123d6d01096a3eb46eda4b5af7
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious Link T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains a large number of embedded links, many of which point to Shopify-hosted PDFs, forming a link farm. One critical heuristic indicates that the PDF links to a known malicious redirector infrastructure at 'ttraff.cc'. This suggests the document's primary purpose is to lure users into clicking malicious links, likely for phishing or malware distribution. No scripts were extracted, limiting the analysis of direct execution capabilities.

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=body+parts+worksheet+kindergarten+pdf In PDF document text
    • http://files.lebanontours.info/uploads/1/3/2/6/132681033/wexifijazama.pdfIn PDF document text
    • http://files.kaconsulting.org/uploads/1/3/1/4/131409526/226670e17d1a.pdfIn PDF document text
    • http://files.deborahlawrenceschafer.com/uploads/1/3/2/6/132695511/3777644.pdfIn PDF document text
    • http://files.trinityprocounseling.com/uploads/1/3/1/3/131379540/5172681.pdfIn PDF document text
    • http://files.mercerology.com/uploads/1/3/1/4/131438137/ba11df1.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/1/0431/1823/1709/files/4276522046.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2492/5340/files/jasek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7485/4820/files/86738793240.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1789/6089/files/28209807980.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0667/3574/files/bimaxumupowizerisurij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/3744/7576/files/61053419621.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5086/9671/files/liniwetusexoro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4570/7162/files/dikinazozaridemuta.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0736/0667/files/xitolex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8334/2748/files/90179440592.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2433/4498/files/69379456495.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/3365514284.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4030/9402/files/519331505.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_off000073dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73DD 5364 bytes
SHA-256: 267403c2ee3df413405a79781e73f0ea35d87cd8e8427030cf587dfbd01f4799
font_01_sfnt_off00008631.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8631 9924 bytes
SHA-256: 5a6f1c9cc3b983a7f2aa76d1c110f84e3de8528ae52f901678184b38cec15948