Malicious PDF — malware analysis report

Static analysis result for SHA-256 be3d99a9d436a64e…

MALICIOUS

PDF

31.1 KB Created: 2020-08-31 06:39:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 923e0fb6d119d8c5b0c4f3b0de905227 SHA-1: 28b3f8159dbc15495f05c0089ec7c8fe3fee9374 SHA-256: be3d99a9d436a64ed0dbfbe6e8e0ed63744a55d0aa3053643ddb6c2d64cf76c2
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.me/wix?keyword=new+york+earrings'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous links, with the primary one leading to a Shopify domain. The document body, though partially corrupted, contains the target URL and mentions 'new york earrings', suggesting a lure for a phishing or scam attempt.

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.me/wix?keyword=new+york+earrings
    • https://cdn.shopify.com/s/files/1/0448/0906/0518/files/pavemetexinesiteporur.pdf
    • https://cdn.shopify.com/s/files/1/0434/2199/1079/files/gt_tunes_music_downloader.pdf
    • https://cdn.shopify.com/s/files/1/0431/8596/3169/files/79857499047.pdf
    • https://cdn.shopify.com/s/files/1/0432/6768/6556/files/23848960129.pdf
    • https://cdn.shopify.com/s/files/1/0430/0524/7647/files/strategic_planning_tools_and_techniques.pdf
    • https://cdn.shopify.com/s/files/1/0429/8440/7199/files/87796243589.pdf
    • https://cdn.shopify.com/s/files/1/0429/9610/5375/files/benabojofovomimuwu.pdf
    • https://static.usrfiles.com/ugd/4b874d_9049d321483a4b10ab735ad94029a8ba.pdf
    • https://static.usrfiles.com/ugd/b8c837_3613a9d2513a4ce6bbefef911945bafe.pdf
    • https://cdn.shopify.com/s/files/1/0450/1143/5670/files/sociology_book_by_shankar_rao.pdf
    • https://cdn.shopify.com/s/files/1/0459/9739/2031/files/rojotusaligo.pdf
    • https://cdn.shopify.com/s/files/1/0432/2358/0830/files/figaxa.pdf
    • https://cdn.shopify.com/s/files/1/0432/7365/0334/files/45188071734.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_off00003e87.bin
a5a850a60c9af67c507925b99ec3e8b3a17e50f8255550c6614c7fdc940d5db1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3E87 5048 bytes
font_01_sfnt_off00004fe6.bin
a03f262973a8e876097fbef87e7177781dedfbf35b88c1bb0f3e7b0ce2e23ce6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4FE6 9496 bytes

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