Malicious PDF — malware analysis report

Static analysis result for SHA-256 e590345b281aff71…

MALICIOUS

PDF

42.4 KB Created: 2020-08-19 18:13:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8594c9e07ec535d60655a3b3407e1d5a SHA-1: ae1fe071825556558b7e1cb0a942f1253f53c1fb SHA-256: e590345b281aff717d6bc5860f101fcb1f85b6180bb152d0bcb90e2623db0c3d
120 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, with one critical heuristic identifying it as a PDF link farm. The primary malicious URL, https://ttraff.com/pify?keyword=racing+games+for+android+2018, is likely used for redirection. The document body is heavily obfuscated but contains references to the malicious URL, suggesting an attempt to lure users to potentially harmful content through SEO manipulation.

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.com/pify?keyword=racing+games+for+android+2018
    • http://bodade.clearfieldcreekwatershed.org/uploads/1/3/0/8/130814769/a3333.pdf
    • http://fikek.douxoverdesign.com/uploads/1/3/2/3/132302868/1856062.pdf
    • http://files.islamiccenterdm.com/uploads/1/3/1/8/131856052/2030475.pdf
    • http://fawivizuf.sdadata.org/uploads/1/3/2/6/132682347/mavebexinised.pdf
    • https://cdn.shopify.com/s/files/1/0428/7243/8947/files/weedeater_gas_lines.pdf
    • https://cdn.shopify.com/s/files/1/0429/6635/2028/files/mokepaje.pdf
    • https://cdn.shopify.com/s/files/1/0431/5463/6966/files/gedewiruzegorugoviriz.pdf
    • https://cdn.shopify.com/s/files/1/0433/3823/6062/files/piridutodanopidev.pdf
    • https://cdn.shopify.com/s/files/1/0438/0029/7633/files/blue_foundation_eyes_on_fire_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0431/8475/0741/files/55244337410.pdf
    • https://cdn.shopify.com/s/files/1/0430/9444/2137/files/vepatasatekajuwejej.pdf
    • https://cdn.shopify.com/s/files/1/0433/7818/0257/files/27152958234.pdf
    • https://cdn.shopify.com/s/files/1/0436/9544/0040/files/androids_vs_robots.pdf
    • https://cdn.shopify.com/s/files/1/0431/2888/1313/files/mitafumubeto.pdf
    • https://cdn.shopify.com/s/files/1/0429/9636/7511/files/77463896162.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_off00006630.bin
58919efbdfb421948f488d8c31ffa078698af371f2dc641fd1c97624c53d8392		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6630 5836 bytes
font_01_sfnt_off000079f5.bin
9397b4aa5665b2fd6d915eade3067ef74cfdcf3a6edb3c4cadcf6b1370472a19		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79F5 10212 bytes

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