Malicious PDF — malware analysis report

Static analysis result for SHA-256 f11726f7577d7550…

MALICIOUS

PDF

46.9 KB Created: 2020-08-15 06:39:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7cf638cc445544265105daae4fa67697 SHA-1: b0fced02e3e1b00e8fefd1be2576f428ac206010 SHA-256: f11726f7577d75500f78b873b0a78f5263f16a829eaf2329c6c9dc5d5a2fba3c
120 Risk Score

Malware Insights

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

The PDF file contains a mass external PDF link farm, with many links pointing to Shopify domains and one critical link to a known malicious redirector. The document body contains the text 'Kaitlan collins reporter' and the malicious redirector URL, suggesting a lure to a phishing or scam page. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further malicious content.

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=kaitlan+collins+reporter
    • http://files.sidforaea.com/uploads/1/3/1/4/131484603/5225202.pdf
    • http://files.suefortgensartandprints.com/uploads/1/3/1/4/131438098/8376837.pdf
    • http://files.sunharbourstudio.ca/uploads/1/3/1/6/131637211/6681972.pdf
    • http://zovak.thevillestudio.com/uploads/1/3/1/6/131636648/sumoxuwo.pdf
    • http://files.thecolorboxbymaria.com/uploads/1/3/0/7/130776304/fojibef.pdf
    • https://cdn.shopify.com/s/files/1/0439/4047/9144/files/72935214716.pdf
    • https://cdn.shopify.com/s/files/1/0429/3269/9302/files/3643534816.pdf
    • https://cdn.shopify.com/s/files/1/0440/1247/0422/files/riwuvazaratamofa.pdf
    • https://cdn.shopify.com/s/files/1/0431/4628/1122/files/76924495626.pdf
    • https://cdn.shopify.com/s/files/1/0428/2440/1063/files/amyotrophic_lateral_sclerosis_pathophysiology.pdf
    • https://cdn.shopify.com/s/files/1/0433/7877/0076/files/days_gone_gamespot.pdf
    • https://cdn.shopify.com/s/files/1/0429/0258/5500/files/rizivajabefevekosaxijolu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/97046042130.pdf
    • https://cdn.shopify.com/s/files/1/0440/7253/4166/files/anexar_no_sei.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006550.bin
22c0d9a3695f58dcd4f003e09753b13a68f4ec717f35934fa4abab604f53a0c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6550 4896 bytes
font_01_sfnt_off000075fd.bin
cb41e731c01c6c161b47a6e8e3d7e86f3cb2859f097e70ed892816f5ca7ba17f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75FD 10200 bytes
font_02_sfnt_off00009923.bin
0a2507360a40dd56b84230664db2b3a2689cb34b0aa642599c8245950ba374cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9923 16304 bytes

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