Malicious PDF — malware analysis report

Static analysis result for SHA-256 50c32b09cb3546f8…

MALICIOUS

PDF

84.7 KB Created: 2020-08-19 14:29:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47a04db4570e352ef9ca28fd380d450b SHA-1: e8b0ce35cc8530360976d5e900b4bf7cdc305f75 SHA-256: 50c32b09cb3546f8de998a6e326cc36eadb47db6664c5ef049da6d2d9bc7e326
120 Risk Score

Malware Insights

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

The PDF file contains numerous external links, with a critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=character+development+sheet+pdf', suggesting a lure to a phishing or malware distribution site. The presence of multiple PDF links, many hosted on Shopify, indicates a link farm strategy to obscure the ultimate destination.

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=character+development+sheet+pdf
    • http://bojuwi.texairamerica.com/uploads/1/3/1/1/131163635/danisomonobafu-wajovasavab.pdf
    • http://files.burmantoftscommunityprojects.org/uploads/1/3/1/3/131383619/2f4687.pdf
    • https://cdn.shopify.com/s/files/1/0428/0372/4455/files/sins_of_solar_empire_rebellion_mods.pdf
    • https://cdn.shopify.com/s/files/1/0435/5905/9615/files/10957016944.pdf
    • https://cdn.shopify.com/s/files/1/0432/8954/2809/files/whatsapp_video_call_new_version.pdf
    • https://cdn.shopify.com/s/files/1/0427/7708/4070/files/lixuvemipudufivi.pdf
    • https://cdn.shopify.com/s/files/1/0431/1479/1069/files/degasisa.pdf
    • https://cdn.shopify.com/s/files/1/0435/9513/7181/files/sony_kdl40r510c_manual.pdf
    • https://cdn.shopify.com/s/files/1/0431/0453/4692/files/detujeraxowawex.pdf
    • https://cdn.shopify.com/s/files/1/0440/3000/1302/files/81131930369.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/16994954809.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 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006c57.bin
11883933519a646c5112363f06db22da894ab45349552e1f10ddc1a7931bf487		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C57 6784 bytes
font_01_sfnt_off00007d61.bin
df71740bcf0f50be481a3519b744d391d1383f2cad4370a7003c069d562e3104		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D61 3136 bytes
font_02_sfnt_off0000888c.bin
416fe7fbdd05f48148004f7a3ae57c95a03ce2b105bb72b765ae3bdbba3a0814		 pdf-font-stream PDF embedded font (sfnt) at offset 0x888C 5360 bytes
font_03_sfnt_off00009aa5.bin
da9cbfc836974b43e441f110c378fcd14d5bbb55cc2017026b4f76f01fc0ff06		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9AA5 33528 bytes
font_04_sfnt_off0000ff0e.bin
9015b230a6c8b484e9953575f4ffb2120440b5ce0ff561f5cd94267ed39b2915		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFF0E 13280 bytes
font_05_sfnt_off00012989.bin
b8276803e3fe4c0e6f7133f82b9abd1ac1b577214ad35577c0139ecb3736896c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12989 18204 bytes

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