Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6c70f3387a95da5…

MALICIOUS

PDF

58.5 KB Created: 2020-08-16 17:29:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 858a822a7de3a002dff8125ff335aca3 SHA-1: 7bdfcc646ed86e64b04d283b68c781de66e5c9f8 SHA-256: f6c70f3387a95da56b76a2c17b7191b55cc51dbccc94a6ca072fcaf5b42e3a83
120 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a malicious domain, likely to trick users into downloading malware. The document body contains text related to 'Adobe photoshop lightroom 6 trial', suggesting a lure for software piracy or a trial scam. The PDF also contains a large number of external links, many pointing to Shopify, which is characteristic of SEO link farm abuse to improve search engine rankings 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=adobe+photoshop+lightroom+6+trial
    • http://wafas.asiamonitor.com.my/uploads/1/3/1/6/131607131/dcbcdc3d1e9102.pdf
    • http://files.themarketon4th.com/uploads/1/3/0/8/130814216/luzeripu_vinetixaribew_sapomaraj.pdf
    • https://cdn.shopify.com/s/files/1/0438/2529/9613/files/78768450729.pdf
    • https://cdn.shopify.com/s/files/1/0434/6049/3474/files/analytical_method_development_and_validation_by_hplc.pdf
    • https://cdn.shopify.com/s/files/1/0431/0450/1922/files/emilia_osu_skin.pdf
    • https://cdn.shopify.com/s/files/1/0435/9513/7187/files/is_sirhurt_better_than_synapse.pdf
    • https://cdn.shopify.com/s/files/1/0438/9886/3771/files/57279590610.pdf
    • https://cdn.shopify.com/s/files/1/0435/8320/9631/files/natilibatonerugovewozarap.pdf
    • https://cdn.shopify.com/s/files/1/0434/5797/0329/files/trumpet_solo_jazz.pdf
    • https://cdn.shopify.com/s/files/1/0431/5483/3564/files/bokunosuvixugajejatun.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_off0000a579.bin
e881221eb8046e7d5a7ca5bf67bba9a6b282f1caa9e4b05b9c7b26f8f8e7841f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA579 5656 bytes
font_01_sfnt_off0000b884.bin
a9e976f2ea090a45c1dd8de78531059b88c6e5894a630a8958b61e0ed557031d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB884 10772 bytes

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