Malicious PDF — malware analysis report

Static analysis result for SHA-256 341d67f441a54fbd…

MALICIOUS

PDF

39.1 KB Created: 2020-08-19 13:52:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 27616e3e2a05ee8dcf9352f45642186e SHA-1: f197a6741bcf25f5fa03619aa4ad524e764264bd SHA-256: 341d67f441a54fbddd95e773eb5fb1bcd8e5e98cbe052ebd3c2a97410b03f117
154 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, with one heuristic specifically identifying it as a 'PDF SEO Link Farm'. The primary malicious link, 'https://ttraff.com/pify?keyword=lonely+together+song++mr+jatt', is flagged as a known malicious redirector. While no scripts were explicitly extracted, the presence of numerous external links suggests an attempt to redirect users to malicious content or manipulate search engine results.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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=lonely+together+song++mr+jatt
    • http://files.metis-inc-oregon.com/uploads/1/3/1/1/131163599/kumapijuzon.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0430/4375/0049/files/zofegasarimitube.pdf
    • https://cdn.shopify.com/s/files/1/0428/9436/0743/files/mitura.pdf
    • https://cdn.shopify.com/s/files/1/0430/0832/7829/files/80932653267.pdf
    • https://cdn.shopify.com/s/files/1/0430/8015/5290/files/fanon.pdf
    • https://cdn.shopify.com/s/files/1/0434/8893/6102/files/15369055537.pdf
    • https://cdn.shopify.com/s/files/1/0438/1809/0653/files/demetinotobaxigofivu.pdf
    • https://cdn.shopify.com/s/files/1/0428/2764/5095/files/guzelezipalaf.pdf
    • https://cdn.shopify.com/s/files/1/0428/6903/1078/files/52537702202.pdf
    • https://cdn.shopify.com/s/files/1/0434/2172/8919/files/stardew_valley_abigail_answers.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005c0f.bin
6f2565d947631bd1373d9a36cfbf0fc3f68de16f587e6b7b83c7ec0d3bd7ed17		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C0F 5216 bytes
font_01_sfnt_off00006db4.bin
617fe234b1593dd6dc946827d2d0ac12e96e7658d919973660bdc552b41c4512		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DB4 10024 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.