Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7d799645339bd0d…

MALICIOUS

PDF

35.6 KB Created: 2020-08-21 09:48:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5be965250b8136e6b3e0d987d8c66bd8 SHA-1: bba6ffbf19eb408ecc5a21c77f65889aac86bb15 SHA-256: c7d799645339bd0d495bf8628e4812a5d8b7c6b80a2232823cbd672c6711df48
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-Override

The PDF file contains numerous embedded links, a common tactic for SEO poisoning and redirecting users to malicious sites. One of the primary links points to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Actaris electric meter ace9000 manual' and includes the malicious URL, suggesting a lure to a fake manual or support page.

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.ru/pify?keyword=actaris+electric+meter+ace9000+manual
    • http://files.i-authenticate.com/uploads/1/3/1/4/131409274/8603485.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/danedogorolulefumatexa.pdf
    • https://cdn.shopify.com/s/files/1/0438/1186/4738/files/96024567224.pdf
    • https://cdn.shopify.com/s/files/1/0430/4224/2709/files/sirobidasafufiwoxulitu.pdf
    • https://cdn.shopify.com/s/files/1/0437/6854/5441/files/76923669752.pdf
    • https://cdn.shopify.com/s/files/1/0432/5651/2676/files/3rd_grade_math_review_packet.pdf
    • https://cdn.shopify.com/s/files/1/0428/8030/3263/files/the_duck_song_3.pdf
    • https://cdn.shopify.com/s/files/1/0433/1284/0872/files/baadshah_telugu_naa_songs.pdf
    • https://cdn.shopify.com/s/files/1/0431/5188/4445/files/70200955675.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_off00004c9d.bin
55a1d5d2d5b463bb26b831e64d93a9a1d9a960c017262bd199ef99b879b24d5f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4C9D 5232 bytes
font_01_sfnt_off00005e46.bin
8c166b8332f160a41c2672a64b23d893e5c53a9326b349122c0cab3b56ca3570		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E46 10400 bytes

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