Malicious PDF — malware analysis report

Static analysis result for SHA-256 d478c2ee67f36ef6…

MALICIOUS

PDF

44.1 KB Created: 2020-07-09 13:53:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5c9718fba94fd33f2042318d9380b5cd SHA-1: f02d21fe39ce79ac2659b35e0b13f98ed4a7aebc SHA-256: d478c2ee67f36ef68180ae24381a2f787a6b79eb6f70c298f0a81fc30871090e
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, forming a link farm, and a prominent link to a known malicious redirector. The document body, though partially obfuscated, contains text related to 'Seguridad juridica pdf peru' and the URLs themselves, suggesting a lure to trick users into clicking through to potentially malicious content. The primary attack pattern involves social engineering via a deceptive document and a malicious link.

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/wb?keyword=seguridad%20juridica%20pdf%20peru
    • http://files.tkdonlineregistration.com/uploads/1/3/2/3/132303378/bevodineg_xitudosesivono_sutifoguv_kabarobanevusot.pdf
    • http://files.inkybluestudio.com/uploads/1/3/2/7/132740498/1797061.pdf
    • http://files.hartfordballroom.com/uploads/1/3/0/7/130738894/duditodutepeb_buzaj_pizizulojop.pdf
    • http://files.smestheatre.com/uploads/1/3/0/7/130776850/7144872.pdf
    • http://files.alexstudio.bg/uploads/1/3/1/1/131164448/875fbb5e4c12d5.pdf
    • http://files.cateringandcreations.net/uploads/1/3/0/8/130814513/9295549.pdf
    • http://files.illinoisdelta.org/uploads/1/3/2/6/132681938/2186787.pdf
    • http://files.piebirdbakeshop.com/uploads/1/3/1/4/131413905/290e20a7df.pdf
    • http://files.selkicasarpg.com/uploads/1/3/1/6/131637057/8beeecc57.pdf
    • http://files.kindredliveband.com/uploads/1/3/1/6/131636852/626a0068.pdf
    • https://vagurokume.files.wordpress.com/2020/06/rokomal.pdf
    • https://gagogij.files.wordpress.com/2020/07/11922353855.pdf
    • https://patodulamup.files.wordpress.com/2020/07/38733674174.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vitalifurefafimeribedewo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12457093378.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/57896919986.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70934180934.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_off00006bc7.bin
5ab27380bc0994498bed003f06e9c3825caad59604d17bef19eb5cc6c4d2721d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BC7 4880 bytes
font_01_sfnt_off00007c74.bin
8347d7acb8c099d141922eec57973235d7b9bcc4002c1a29290dea10336ac596		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C74 11624 bytes

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