Malicious PDF — malware analysis report

Static analysis result for SHA-256 772c6eeb1784edbf…

MALICIOUS

PDF

49.1 KB Created: 2020-08-20 14:15:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c03ef38750b40d84a6b4d6104081d98f SHA-1: 8ffdc719d30e04eca8206f9fe6004f6f0284855a SHA-256: 772c6eeb1784edbf904ef176fbe17562ff21bdba78ca60b45ce100c15d48cc97
128 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.cc/pify?keyword=movies++sites+in+hd+free+telugu'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on cdn.shopify.com. The presence of a 'SE_DOWNLOAD_BUTTON' heuristic suggests a lure to trick users into clicking the malicious link. The document body, though heavily corrupted, contains fragments that might relate to the lure. No scripts were extracted from this sample.

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.cc/pify?keyword=movies++sites+in+hd+free+telugu
    • http://files.eleyhooper.com/uploads/1/3/0/7/130740212/ba7479.pdf
    • http://files.danielakphotography.com/uploads/1/3/1/4/131453283/juvuvu.pdf
    • http://misalinu.americanabytheseashore.com/uploads/1/3/1/4/131482976/3935516.pdf
    • http://files.leandremeldener.com/uploads/1/3/1/4/131407357/zelinomuz.pdf
    • http://files.elevationmotorsportsca.com/uploads/1/3/0/7/130775506/8838506.pdf
    • https://cdn.shopify.com/s/files/1/0430/8218/6905/files/mifupujif.pdf
    • https://cdn.shopify.com/s/files/1/0435/0138/7936/files/69247666512.pdf
    • https://cdn.shopify.com/s/files/1/0428/3233/0908/files/felajelenozisenoxaxotosa.pdf
    • https://cdn.shopify.com/s/files/1/0434/0023/3110/files/importance_of_balance_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0428/7689/5398/files/dukuligu.pdf
    • https://cdn.shopify.com/s/files/1/0428/0867/2423/files/jadipajemizurewikexapi.pdf
    • https://cdn.shopify.com/s/files/1/0438/8998/3640/files/xepewuzakitiwuxuze.pdf
    • https://cdn.shopify.com/s/files/1/0439/3923/3960/files/mixed_magazine_models.pdf
    • https://cdn.shopify.com/s/files/1/0429/1959/2102/files/9874642161.pdf
    • https://cdn.shopify.com/s/files/1/0433/5733/9813/files/cisco_ccna_lab_workbook_200_120.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/
    • https://cdn.shopify.com/s/files/1/0

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008256.bin
307cd33dbb4fd99aed82681384aa43758ba618101f3b3992848d54ca53fc88f2
pdf-font-stream PDF embedded font (sfnt) at offset 0x8256 5024 bytes
font_01_sfnt_off00009371.bin
41b75554bba722a0a63abecd250a7ceb040b46ef1f2914cb0b41cfe1c7ad1ad0
pdf-font-stream PDF embedded font (sfnt) at offset 0x9371 10548 bytes