Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a60a343d699020c…

MALICIOUS

PDF

41.4 KB Created: 2020-08-17 18:18:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 422982ff607995ff62ecfa81a3f9ade3 SHA-1: 1946e76f6760c67e5a4c4e74faec0d07b0defdbc SHA-256: 4a60a343d699020c1b19ef7b89f2f3f729d90f864a2210f0a0fe5e3284935c53
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link and a link farm, indicating a social engineering attempt. The document body, though heavily corrupted, contains text related to a 'free wedding rehearsal dinner menu template' and a URL that redirects to malicious infrastructure. The primary malicious URL identified is https://ttraff.cc/pify?keyword=free+wedding+rehearsal+dinner+menu+template, which is used to lure victims.

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.cc/pify?keyword=free+wedding+rehearsal+dinner+menu+template
    • http://juwefim.msbennettart.com/uploads/1/3/0/8/130813528/wubanavepub.pdf
    • https://cdn.shopify.com/s/files/1/0434/6963/5734/files/best_annotation_app_for_mac.pdf
    • https://cdn.shopify.com/s/files/1/0427/6633/6167/files/nepitip.pdf
    • https://cdn.shopify.com/s/files/1/0430/0773/8019/files/59124471845.pdf
    • https://cdn.shopify.com/s/files/1/0439/0741/6219/files/notes_of_ch_1_chemistry_class_10_pdf.pdf
    • https://cdn.shopify.com/s/files/1/0430/6668/7642/files/pdf_file_software_download_for_pc_windows_10.pdf
    • https://cdn.shopify.com/s/files/1/0431/9828/3940/files/nezunozuxox.pdf
    • https://cdn.shopify.com/s/files/1/0429/6507/4086/files/vunusosomuz.pdf
    • https://cdn.shopify.com/s/files/1/0441/1149/5320/files/black_sabbath_paranoid_songbook.pdf
    • https://cdn.shopify.com/s/files/1/0428/4550/3655/files/35385669479.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_off00004f6b.bin
6e89dcd44778d49b7de8673d5fa6a78f2e84d165207f92d7a66bd4c11e4da01e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F6B 5192 bytes
font_01_sfnt_off000060f1.bin
48066c001ab417ac384fb3f24490c420c5afe06d0cb2174ff6e39cad3f3d3b9e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60F1 13384 bytes
font_02_sfnt_off00008a9a.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A9A 4324 bytes

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