Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ade3eee8b17c293…

MALICIOUS

PDF

66.3 KB Created: 2020-08-30 18:05:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4a0b87d6d7a06d3bfe53defec2efce97 SHA-1: 3750e0e87c5c9f4e2cc5382041510c825f5d8f04 SHA-256: 8ade3eee8b17c2932d00b9f0fca990e8938b7d37e1bf6940443dea22e7d3f2de
120 Risk Score

Malware Insights

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

The PDF file contains embedded links that point to a known malicious redirector. The document body, though heavily obfuscated, contains text related to song downloads and application metadata, suggesting a lure. The presence of numerous external links, many hosted on Shopify, indicates a potential link farm or SEO manipulation tactic to distribute the malicious URL.

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.club/wix?keyword=ahmed+rushdi+and+mala+songs+mp3+down
    • https://cdn.shopify.com/s/files/1/0431/5771/7152/files/19084209299.pdf
    • https://cdn.shopify.com/s/files/1/0457/0808/3356/files/xotifofinoxunamejugalisid.pdf
    • https://cdn.shopify.com/s/files/1/0430/7743/5556/files/55071111308.pdf
    • https://cdn.shopify.com/s/files/1/0432/0536/1821/files/44446670241.pdf
    • https://cdn.shopify.com/s/files/1/0430/0580/4698/files/wipivux.pdf
    • https://cdn.shopify.com/s/files/1/0429/7519/9391/files/five_stages_of_grief.pdf
    • https://cdn.shopify.com/s/files/1/0431/2157/4044/files/10727360848.pdf
    • https://cdn.shopify.com/s/files/1/0431/1616/7328/files/tumide.pdf
    • https://cdn.shopify.com/s/files/1/0440/9786/3832/files/fefeladudodujesabapoj.pdf
    • https://cdn.shopify.com/s/files/1/0434/5479/1846/files/the_matter_of_seggri.pdf
    • https://cdn.shopify.com/s/files/1/0438/1668/1629/files/91226203058.pdf
    • https://cdn.shopify.com/s/files/1/0432/8544/6824/files/jafevixuzovixuwobovosud.pdf
    • https://cdn.shopify.com/s/files/1/0432/7522/3200/files/gugavajejugetudinakiw.pdf
    • https://cdn.shopify.com/s/files/1/0436/2184/3106/files/exemplos_de_analisis_foda_de_uma_ins.pdf
    • https://cdn.shopify.com/s/files/1/0465/5330/1150/files/list_of_antonyms_in_english.pdf
    • https://cdn.shopify.com/s/files/1/0437/7657/3601/files/parallel_circuit_practice_worksheet.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_off0000a84c.bin
7fbaba8cffde6eea96617825af7fed6e64deba82a930467796bf7036c88732f3
pdf-font-stream PDF embedded font (sfnt) at offset 0xA84C 5616 bytes
font_01_sfnt_off0000bb4c.bin
94bee431d097883c35aa787800a959a8c971840f97c637a964d0b1bcd227f9be
pdf-font-stream PDF embedded font (sfnt) at offset 0xBB4C 9920 bytes
font_02_sfnt_off0000dd7f.bin
d7387a4848c241e6766b7d390c06b326f8522b84e29fea7cd52f70a06f655bd9
pdf-font-stream PDF embedded font (sfnt) at offset 0xDD7F 18932 bytes