Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f2c7a0b5517286e…

MALICIOUS

PDF

45.6 KB Created: 2020-08-25 02:32:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5aafed33490bd4b53bbb30968b085ae6 SHA-1: 1b44bd91b4ed3e42115e3996b2845819d4f08e56 SHA-256: 1f2c7a0b5517286e494958714a7ae71b7734223f034fd8446bdaf3e7a61d9662
120 Risk Score

Malware Insights

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

The PDF document contains a lure related to a 'Dota 2 lion item guide' and embeds numerous links. One of these links, 'https://ttraff.cc/pify?keyword=dota+2+lion+item+guide', is identified as a malicious redirector. The document's structure and the presence of a link farm suggest an attempt to drive traffic to malicious infrastructure, likely for phishing or malware delivery. No scripts were extracted, limiting the analysis of direct execution capabilities.

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=dota+2+lion+item+guide
    • http://fumor.retrochem.com/uploads/1/3/1/6/131606255/93bfe376c1.pdf
    • http://files.flareperformance.com/uploads/1/3/2/3/132303310/8fb98dd.pdf
    • http://xoseg.drumlessonshansmuer.com/uploads/1/3/0/7/130776885/7886993.pdf
    • http://visuxuliz.youshouldvisitjapan.com/uploads/1/3/1/4/131454057/1845343.pdf
    • https://cdn.shopify.com/s/files/1/0431/7659/1509/files/67966148734.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/damegadunuje.pdf
    • https://cdn.shopify.com/s/files/1/0431/6053/5196/files/zizibetizixa.pdf
    • https://cdn.shopify.com/s/files/1/0431/7777/1164/files/17055295631.pdf
    • https://cdn.shopify.com/s/files/1/0434/8300/5093/files/54969973824.pdf
    • https://cdn.shopify.com/s/files/1/0437/7241/2055/files/mideboxematenipinebavo.pdf
    • https://cdn.shopify.com/s/files/1/0436/3993/1033/files/pujarelubedat.pdf
    • https://cdn.shopify.com/s/files/1/0432/7145/4883/files/vutavevuvebedekizerexe.pdf
    • https://cdn.shopify.com/s/files/1/0430/5109/0077/files/ratavuzubiwubejawo.pdf
    • https://cdn.shopify.com/s/files/1/0439/9028/6494/files/22583301512.pdf
    • https://cdn.shopify.com/s/files/1/0434/1163/6381/files/gymnopedie_1_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0430/1763/3949/files/xidimatosejo.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_off00007543.bin
fb68723c4fafa369402cb3a547e650d09beebda653511b410aaf5f7b87d14416		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7543 5004 bytes
font_01_sfnt_off00008633.bin
a0eb84c19afc0b8c9c22e425eb7fdd60ed933e074c36124df136672e61a806d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8633 10288 bytes

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