Malicious PDF — malware analysis report

Static analysis result for SHA-256 60d2dfa4f0a63ed7…

MALICIOUS

PDF

40.8 KB Created: 2020-09-03 17:37:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 97e8c85a13d2953f9a3f813d714fe200 SHA-1: ea37d0c81a72792763bd89b4bba47c68c29c8019 SHA-256: 60d2dfa4f0a63ed7ae091935d0963ea34ffbe3b753cf5d077327df762137007f
154 Risk Score

Malware Insights

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

This PDF document contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm or redirection scheme. One prominent URL, 'https://ttraff.com/wix?keyword=kaala+song+lyrics', is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, indicating an attempt to lure users to malicious infrastructure. The presence of numerous external links and a malicious redirector strongly suggests a phishing or scamming attempt.

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/wix?keyword=kaala+song+lyrics
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0435/2802/8312/files/67807697987.pdf
    • https://cdn.shopify.com/s/files/1/0428/8066/3715/files/pazudukiwovadepevefizena.pdf
    • https://cdn.shopify.com/s/files/1/0437/7378/8321/files/makovaxosevofasan.pdf
    • https://cdn.shopify.com/s/files/1/0434/6295/1077/files/darojolexadanabomixu.pdf
    • https://static.usrfiles.com/ugd/2e16aa_9b1a6cb51584492a90eafb41e925fe62.pdf
    • https://static.usrfiles.com/ugd/b8c837_94d27aa776bf44f5a4c7e6f533809d00.pdf
    • https://static.usrfiles.com/ugd/b8c837_8afe13fc864541279414b3f8f116622f.pdf
    • https://static.usrfiles.com/ugd/0d9a50_8aeb44b56fb74c78a69a3ca0bb023663.pdf
    • https://static.usrfiles.com/ugd/3d0627_a75ae833b0aa4a6e89fbb398ae168343.pdf
    • https://static.usrfiles.com/ugd/89c6ad_f57bda7adb74444ba8b181f0fc7280e4.pdf
    • https://static.usrfiles.com/ugd/3bcfef_b3c9b7a60fea45bbbb6ee43b0a736649.pdf
    • https://cdn.shopify.com/s/files/1/0434/5374/3270/files/43206820578.pdf
    • https://cdn.shopify.com/s/files/1/0460/6987/4852/files/puzapadur.pdf
    • https://cdn.shopify.com/s/files/1/0432/5254/7739/files/wifajanoxusexel.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_off00005acb.bin
0f502676c1367cc9f59589d89225fdafbb29c08614f2b2593fa676554054d04e
pdf-font-stream PDF embedded font (sfnt) at offset 0x5ACB 5036 bytes
font_01_sfnt_off00006c0c.bin
9c573d6d9cb2f30282241735a6d69b841c8882c39603fa3df2bef48691d23858
pdf-font-stream PDF embedded font (sfnt) at offset 0x6C0C 13944 bytes