Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dc28d26de54a26a…

MALICIOUS

PDF

45.5 KB Created: 2020-08-27 20:16:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5c9aaf1e24ba29f365b3b26f1fa06f92 SHA-1: e51132265c7f445d9e750f7ae62c9666ad5723fb SHA-256: 7dc28d26de54a26a97fe531dacbd5d17a94b45bff33eaf90e32a4b92c2d572be
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to Shopify domains, but one critical link redirects to a known malicious domain. The document body, though heavily obfuscated, contains text related to 'Soundarya naga devatha songs free download' and the malicious redirector URL, suggesting a lure to trick users into clicking through to download content. The presence of a link farm and a malicious redirector indicates an attempt to distribute further malicious content or lead users to phishing sites.

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.
  • 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.
  • 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.ru/pify?keyword=soundarya+naga+devatha+songs+free+download
    • http://files.movement-intelligence.com/uploads/1/3/1/4/131410736/5837901.pdf
    • https://cdn.shopify.com/s/files/1/0428/9524/5475/files/smallville_theme_song.pdf
    • https://cdn.shopify.com/s/files/1/0434/3876/8294/files/zugoferuxogukarazivata.pdf
    • https://cdn.shopify.com/s/files/1/0428/2259/8823/files/16100979651.pdf
    • https://cdn.shopify.com/s/files/1/0429/9590/8761/files/bidaroke.pdf
    • https://cdn.shopify.com/s/files/1/0433/3253/4440/files/aisin_water_pump.pdf
    • https://cdn.shopify.com/s/files/1/0428/1604/5222/files/13749990347.pdf
    • https://cdn.shopify.com/s/files/1/0433/5815/9006/files/sanif.pdf
    • https://cdn.shopify.com/s/files/1/0432/8072/8224/files/litifefevadal.pdf
    • https://cdn.shopify.com/s/files/1/0441/0081/2952/files/disugetagije.pdf
    • https://cdn.shopify.com/s/files/1/0437/6644/8277/files/xesaxis.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006b64.bin
a0058a7ed9778537ee7ec02ac0bbc1d157c7bc73541f56dd4ee7a8fe97524217		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B64 5524 bytes
font_01_sfnt_off00007e3e.bin
88a3a3c1ff7a1615d7171f727bb2abe96336dff5f2397f2d281d3eb8ab3ca885		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E3E 13952 bytes

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