Malicious PDF — malware analysis report

Static analysis result for SHA-256 c725baca298954f0…

MALICIOUS

PDF

41.4 KB Created: 2020-08-22 08:39:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 902c5707b5efbaf4e16741270f70c738 SHA-1: b08be65cd2abc2d2c35c512de8d01d564eefed7e SHA-256: c725baca298954f008149ea21a2d284fe8fc0d345a8eee0511999192cac28e98
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is further supported by the document body containing the same URL and a gambling commission report lure. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded links to external PDFs hosted on various domains, including several on Shopify. These links likely serve as a distribution mechanism for 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.com/pify?keyword=gambling+commission+report+2017
    • http://nizixad.michaelmoore.studio/uploads/1/3/0/7/130776644/806c76c9cc65a41.pdf
    • http://mixob.hugginswritingediting.com/uploads/1/3/1/4/131438563/b5bc6a.pdf
    • http://files.kcmoorefoto.com/uploads/1/3/0/7/130739308/wazosofujos.pdf
    • http://files.rlhslifescience.com/uploads/1/3/1/8/131857465/tirimigipiko.pdf
    • http://files.onehealthyrelationships.com/uploads/1/3/2/3/132303170/zogumupobe.pdf
    • https://cdn.shopify.com/s/files/1/0433/2234/3577/files/buragiwinovixanakep.pdf
    • https://cdn.shopify.com/s/files/1/0431/9143/5422/files/tuvoteruxebe.pdf
    • https://cdn.shopify.com/s/files/1/0441/0654/7352/files/xepoduje.pdf
    • https://cdn.shopify.com/s/files/1/0431/0702/5056/files/64633283150.pdf
    • https://cdn.shopify.com/s/files/1/0429/1425/0905/files/wukebaparo.pdf
    • https://cdn.shopify.com/s/files/1/0441/1500/1496/files/dr_fate_meme_template.pdf
    • https://cdn.shopify.com/s/files/1/0431/6112/5015/files/lulusitan.pdf
    • https://cdn.shopify.com/s/files/1/0447/4375/3879/files/ledoweteviduxile.pdf
    • https://cdn.shopify.com/s/files/1/0445/8987/5364/files/tracto_respiratorio_superior.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_off00006200.bin
d05dcc2f7454cab9785ccc1ea8d473688890da43ceff7c8f8f79cbea490120ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6200 5828 bytes
font_01_sfnt_off000075d6.bin
12ba79804a60d91f096f785074ad18049859a840766ddc41b9baa85c752b9dd6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75D6 10244 bytes

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