Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d6b19a3c0dcaa23…

MALICIOUS

PDF

40.8 KB Created: 2020-10-31 07:47:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: f57bb59b83692e0fc0161f0d1a6a754f SHA-1: b996434b9c584a9c6e260cfa51d6d5b57cd4f5f0 SHA-256: 9d6b19a3c0dcaa23decbeb464acdfcf7eec0cb18c85a06dfc0f755f87db76973
94 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely intended to lead the user to a phishing or malware download site. The document body, though heavily obfuscated, contains the same URL and text related to a 'lord of the rings wedding band tungsten', suggesting a lure to entice clicks. No scripts were extracted, but the presence of a malicious redirector strongly indicates a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • 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/123?keyword=lord+of+the+rings+wedding+band+tungsten In PDF document text
    • https://gemenudotipetal.weebly.com/uploads/1/3/2/6/132695720/lopaxarusiw.pdfIn PDF document text
    • https://fulipevaxavu.weebly.com/uploads/1/3/2/6/132695351/5651756.pdfIn PDF document text
    • https://rugurujumififez.weebly.com/uploads/1/3/1/3/131384765/7c27e1f03d06.pdfIn PDF document text
    • https://sedifuwenute.weebly.com/uploads/1/3/4/4/134464273/wijulowowuk-nezafaxawisejoj-daxoxataxixox.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/1/0504/2002/3470/files/26802236917.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0498/6109/9675/files/12773406014.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0498/0254/3261/files/31610290565.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cb0d4978-6809-4b16-88cf-b53f323e960c/lipowapag.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/acd53cc4-55cf-40fb-a774-a3aa3188c273/lefutajiwunekizelisumeka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0268/7424/9413/files/kenosinudamegezasewo.pdfIn PDF document text
    • https://s3.amazonaws.com/nisoxow/marido_vs_esposo_in_spanish.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_off00005387.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5387 5308 bytes
SHA-256: 898e81501f18cb98ff219a1a2849f231a71cb162666eba31f572b845e34bb3cf
font_01_sfnt_off000065ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65AC 15256 bytes
SHA-256: b78cc4f2edd7eca87b98aa03821be115d8181c340c9620b5b1350fbbc54c4969