Malicious PDF — malware analysis report

Static analysis result for SHA-256 455fb04c50860f73…

MALICIOUS

PDF

39.0 KB Created: 2020-09-19 14:22:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 03ca2381e46b14aa46c42a8a56a98d31 SHA-1: 57c6502159ee9b46d726d025b3f206a8a03bd4cc SHA-256: 455fb04c50860f735fd4003171225d31df1ab331efc201056374c7c75413ec0b
128 Risk Score

Malware Insights

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

The PDF contains a lure related to hacking a mobile game, directing users to a URL hosted on ttraff.com, which is flagged as a malicious redirector. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, many of which point to Shopify domains. The presence of a visual download button further supports a deceptive user interaction.

Heuristics 4

  • 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.
  • 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.com/wb?keyword=how%20to%20hack%20marvel%20future%20fight%20without%20root
    • http://ruwomadu.lynncociani.com/uploads/1/3/1/0/131070161/dee36df.pdf
    • http://files.uthandball.com/uploads/1/3/2/7/132710784/5460042.pdf
    • http://files.gilroyffa.com/uploads/1/3/1/3/131382841/2c24e44cb5b82.pdf
    • http://files.teamvogelvscancer.org/uploads/1/3/0/8/130813750/jetafelalemixuxotot.pdf
    • http://files.seyabookfest.com/uploads/1/3/1/4/131437676/7710110.pdf
    • https://cdn.shopify.com/s/files/1/0433/4010/3845/files/24605278850.pdf
    • https://cdn.shopify.com/s/files/1/0435/4804/9572/files/murizuguwudexamubexop.pdf
    • https://cdn.shopify.com/s/files/1/0428/6559/0438/files/tinkers_construct_pickaxe_modifiers.pdf
    • https://cdn.shopify.com/s/files/1/0431/5670/1346/files/hurtworld_v2_guide.pdf
    • https://cdn.shopify.com/s/files/1/0431/2950/3908/files/segojuputusozipotadixov.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_off00005ba6.bin
7eb28f8790da6f7a433ccbb83e4d8d0929a157276408f6a0c519b9582b64c938		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BA6 5292 bytes
font_01_sfnt_off00006d9b.bin
b8722f82da6aa608f22e34444c80d5367c25fd2471dd6abadf27b44ed04d8ecd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D9B 9932 bytes

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