Malicious PDF — malware analysis report

Static analysis result for SHA-256 b64cce295fe596ec…

MALICIOUS

PDF

37.7 KB Created: 2020-08-04 02:03:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8f120d15dc1b218aa3c6b2d7c1aec01c SHA-1: 0004fda42258bed0cd5ec3aa90fad623e32a42c7 SHA-256: b64cce295fe596ece5711671dbff677695795ed6c4dc2fe333f0a995a30fe2ae
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=basel+ii+2020+pdf'. This suggests the document is designed to redirect users to malicious infrastructure, likely for phishing or malware distribution. The presence of many other links, including those hosted on Shopify, indicates a link farm strategy to improve search engine visibility for 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.com/pify?keyword=basel+ii+2020+pdf
    • http://files.emilychristiansondances.com/uploads/1/3/1/6/131636988/kaxigopu_gikidaged_labun_jenote.pdf
    • http://files.clarajong.com/uploads/1/3/0/8/130813851/6808174.pdf
    • http://files.theunquarantinedmind.com/uploads/1/3/1/4/131438611/36187f89e5bf.pdf
    • https://cdn.shopify.com/s/files/1/0435/5905/9615/files/60883483954.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94192334972.pdf
    • https://cdn.shopify.com/s/files/1/0434/5892/0605/files/4399599379.pdf
    • https://cdn.shopify.com/s/files/1/0427/3537/0407/files/68081652970.pdf
    • https://cdn.shopify.com/s/files/1/0430/8529/9876/files/xedijiwabobo.pdf
    • https://cdn.shopify.com/s/files/1/0429/0658/3203/files/fogapefawatibevufe.pdf
    • https://cdn.shopify.com/s/files/1/0438/5252/9829/files/25332235994.pdf
    • https://cdn.shopify.com/s/files/1/0434/7586/1656/files/57030813825.pdf
    • https://cdn.shopify.com/s/files/1/0434/0265/7957/files/wulijubabuve.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_off000056d7.bin
8aa85a9f425b88a7e40802f6fed5dca106814902f555c313d9c166d822786cfc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56D7 5264 bytes
font_01_sfnt_off000068d5.bin
d7d6a2c56cebf8767cc46c5d589da37515d505eb40ebab522afbc37749462c9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68D5 9912 bytes

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