Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd9f20971cfd6ac1…

MALICIOUS

PDF

37.8 KB Created: 2020-08-01 17:22:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6479d60391826e223e49ea12d96cfafd SHA-1: 71d0f69fe15ea2c2da1323558ef5c05b7c76ea06 SHA-256: bd9f20971cfd6ac1a4db9735b255a922e7d9a7cbcff379f97b2b46ecdc611eff
120 Risk Score

Malware Insights

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

The PDF file contains a mass external link farm, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is 'https://ttraff.cc/pify?keyword=less+mills+torrent', which is likely used to redirect users to a phishing or malware-hosting site. The document body, though heavily obfuscated, contains references to this URL and other PDF links, suggesting a coordinated effort to distribute 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.cc/pify?keyword=less+mills+torrent
    • http://files.stressfreefurniture.co.nz/uploads/1/3/2/3/132303077/wewiva-pizekopabireg.pdf
    • http://files.beholdfilms.com/uploads/1/3/1/4/131437005/rarovujaxikol_godula_sadefu.pdf
    • http://files.balancingact-iamyou.com/uploads/1/3/1/6/131606231/4f2ef3b.pdf
    • https://cdn.shopify.com/s/files/1/0428/3957/2643/files/38930365049.pdf
    • https://cdn.shopify.com/s/files/1/0429/2087/0044/files/61256836049.pdf
    • https://cdn.shopify.com/s/files/1/0440/7531/9448/files/soburejuxato.pdf
    • https://cdn.shopify.com/s/files/1/0429/3387/8940/files/juzagekupakavewadefo.pdf
    • https://cdn.shopify.com/s/files/1/0436/8711/6965/files/ricardo_munoz_cbt_manual.pdf
    • https://cdn.shopify.com/s/files/1/0431/6400/8610/files/zimaxigejijudoza.pdf
    • https://cdn.shopify.com/s/files/1/0437/1510/0822/files/lisokijakalepalumiximun.pdf
    • https://cdn.shopify.com/s/files/1/0433/0163/4213/files/filo_actinopoda.pdf
    • https://cdn.shopify.com/s/files/1/0436/2135/1587/files/11030619345.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/papixusisijipe.pdf
    • https://cdn.shopify.com/s/files/1/0430/2451/5229/files/97317602913.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_off000057d7.bin
00a6a48fbc5eeb563e682580a23e9d037ac2b9f4817dde86cce313682ef028e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57D7 4564 bytes
font_01_sfnt_off00006744.bin
7937ffd15fc6b1cea717f3e215ee7d0a2070ef1a79c8d2605e529be989aff1a8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6744 10492 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.