Malicious PDF — malware analysis report

Static analysis result for SHA-256 b44ae3bcce5046ae…

MALICIOUS

PDF

83.7 KB Created: 2020-08-19 17:22:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 456fd4680d6cfc5e2736c48b709cc87d SHA-1: 09afe0b7183aa01342c05eebd9cb78f10d87e518 SHA-256: b44ae3bcce5046aeff65099de88cdd70744cb3a7b7bf8695d41ca1406ef31d87
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link farm designed to appear as search results for 'Kannada love feeling audio songs', but the primary link redirects to a known malicious infrastructure. This suggests a phishing or scam attempt to lure users to a malicious site. No scripts were extracted, limiting the analysis of further payload delivery or execution.

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.cc/pify?keyword=kannada+love+feeling+audio+songs
    • http://panapot.inspirebasketballclub.com/uploads/1/3/1/6/131607600/6030695.pdf
    • http://files.magnoliachapter14oes-pha.com/uploads/1/3/1/4/131411281/82973d52.pdf
    • http://files.rjmasters.com/uploads/1/3/1/3/131384081/5444277.pdf
    • http://files.poromechanics.org/uploads/1/3/1/4/131453067/f058df98b015c.pdf
    • https://cdn.shopify.com/s/files/1/0437/5520/8865/files/21404577001.pdf
    • https://cdn.shopify.com/s/files/1/0437/7519/7346/files/84190204628.pdf
    • https://cdn.shopify.com/s/files/1/0435/4070/9527/files/86263920040.pdf
    • https://cdn.shopify.com/s/files/1/0433/7103/6822/files/siroserabifamirofos.pdf
    • https://cdn.shopify.com/s/files/1/0429/5449/0012/files/84927402040.pdf
    • https://cdn.shopify.com/s/files/1/0431/6987/4080/files/91618247744.pdf
    • https://cdn.shopify.com/s/files/1/0435/8157/1227/files/disodezezobukel.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/34707652888.pdf
    • https://cdn.shopify.com/s/files/1/0431/6158/3776/files/10952966690.pdf
    • https://cdn.shopify.com/s/files/1/0431/3550/0439/files/15185528255.pdf
    • https://cdn.shopify.com/s/files/1/0429/3450/1535/files/simon_ielts_writing_task_1_academic.pdf
    • https://cdn.shopify.com/s/files/1/0430/0419/9075/files/b._pharm_government_colleges_in_tamilnadu.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_off0000ff61.bin
b54cb306c6ab1e194a11440d87032b5c38797f2f312304f05a2121f3ea2e6a13		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFF61 5008 bytes
font_01_sfnt_off00011092.bin
cab1435246bb42f68417fdcb08cde3f9894938a9a2c629c39113c8a1d99a2f6c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11092 16052 bytes

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