Malicious PDF — malware analysis report

Static analysis result for SHA-256 eeb594fdc922590d…

MALICIOUS

PDF

59.7 KB Created: 2020-08-30 18:19:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5f0b72874523289a02d9a06293ca006e SHA-1: c54917707f912cda70fab627a87bd1e71db33e4f SHA-256: eeb594fdc922590d279b3f9bea5bb4bfdac2b020071e0c106e95aa67f4b623f1
168 Risk Score

Malware Insights

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

The PDF contains a link disguised as a download for 'Assassin's Creed Rogue Skidrow', which redirects to a malicious URL (ttraff.me). The document also contains numerous other links to Shopify PDFs, likely part of a link farm to improve search engine ranking for malicious content. The presence of a 'password-protected archive lure' heuristic suggests the document may be intended to trick users into believing they need a password to access content, a common tactic for hiding malicious payloads.

Heuristics 5

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=assassin%2527+s+creed+rogue+skidrow
    • http://cinurl.com/14jmx4assassin
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/botezosural.pdf
    • https://cdn.shopify.com/s/files/1/0431/8996/0861/files/mapa_sedes_areandina_bogota.pdf
    • https://cdn.shopify.com/s/files/1/0429/7034/9731/files/gta_sa_mac_os_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/3966/1986/files/jodamonix.pdf
    • https://cdn.shopify.com/s/files/1/0428/3708/2271/files/canela_de_velho_dosagem.pdf
    • https://cdn.shopify.com/s/files/1/0432/6467/1909/files/totilajapaxokemexe.pdf
    • https://cdn.shopify.com/s/files/1/0431/6502/4412/files/aptitude_test_definition.pdf
    • https://cdn.shopify.com/s/files/1/0431/8402/9845/files/34383099056.pdf
    • https://cdn.shopify.com/s/files/1/0434/2582/4929/files/robert_sapolsky_behave_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/5566/8639/files/define_epileptiform_activity.pdf
    • https://cdn.shopify.com/s/files/1/0432/7807/4022/files/vugoku.pdf
    • https://cdn.shopify.com/s/files/1/0433/9453/1493/files/lajetasokagabozit.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/38935964995.pdf
    • https://cdn.shopify.com/s/files/1/0427/5906/1670/files/19191608039.pdf
    • https://cdn.shopify.com/s/files/1/0434/5475/9065/files/lorob.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009e7a.bin
27b748ee931503da7bbd748c21e6b962001e2b36dc9ea055ea975387d771fc72		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9E7A 3212 bytes
font_01_sfnt_off0000a9f9.bin
df06381789302e4cdc77e24cbeed2dc0cd131037de5dbad9959a41468800e266		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA9F9 5252 bytes
font_02_sfnt_off0000bbf4.bin
fc16965c0f394fa08f81c85e15bb2c593d304b5b33f624c2ea5fd07dd9bc6c8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBBF4 11496 bytes

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