Malicious PDF — malware analysis report

Static analysis result for SHA-256 e06a558f0dc8aabc…

MALICIOUS

PDF

40.9 KB Created: 2020-08-17 13:09:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47f2af48e1b8c0bf689a72c2572c0523 SHA-1: c4b9d29f09239ed555a6f481853787a176a528a0 SHA-256: e06a558f0dc8aabcabf5b7cbdfd5e756718cb17cfcb0779b028191d8c14609fd
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to Shopify domains, but one critical link redirects to a known malicious domain (ttraff.ru). The document body, though heavily obfuscated, contains text related to 'birthday video maker with music' and the malicious URL. This suggests a social engineering lure to trick users into visiting a malicious site, likely for further exploitation or malware delivery.

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=birthday+video+maker+with+music
    • http://files.nestampede.com/uploads/1/3/1/6/131606486/b11d7e7833efe65.pdf
    • http://files.10-yranch.com/uploads/1/3/2/7/132710784/67265.pdf
    • https://cdn.shopify.com/s/files/1/0430/9699/8041/files/editorial_cartooning_symbols.pdf
    • https://cdn.shopify.com/s/files/1/0439/2484/8795/files/bhagavath_geethai_book_in_tamil.pdf
    • https://cdn.shopify.com/s/files/1/0433/0605/7883/files/85512375918.pdf
    • https://cdn.shopify.com/s/files/1/0429/6700/7386/files/dudebosawal.pdf
    • https://cdn.shopify.com/s/files/1/0437/5887/8872/files/28567054202.pdf
    • https://cdn.shopify.com/s/files/1/0429/8942/0695/files/ruvugebedeporopubunos.pdf
    • https://cdn.shopify.com/s/files/1/0430/0197/0837/files/86411155316.pdf
    • https://cdn.shopify.com/s/files/1/0431/3179/7668/files/vaxezizutibodogim.pdf
    • https://cdn.shopify.com/s/files/1/0431/4769/0145/files/pazazibigo.pdf
    • https://cdn.shopify.com/s/files/1/0432/3491/8558/files/17657534128.pdf
    • https://cdn.shopify.com/s/files/1/0428/1283/3959/files/cinema_hd_for_mac.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_off000060d9.bin
d90d40f152b0479d90cdd52b1559289f54a6cd59c94341c8437a27d4bb0bb9bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60D9 5512 bytes
font_01_sfnt_off0000738e.bin
f534eba0ad8dda93870a7f87415c8511e26d908733d968778bd35659a8c3feab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x738E 10420 bytes

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