Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee70cc9de1c83cb8…

MALICIOUS

PDF

41.0 KB Created: 2020-08-22 19:08:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7b700477e59ac610ce7954853d8ce301 SHA-1: 80b31db2ea2351a075a06081038528f3829a2aa1 SHA-256: ee70cc9de1c83cb839422c95e04f95d1d054766258b2afccbc8913459cfe33f3
128 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, many of which point to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Adobe photoshop mod apk free' and the malicious URL, suggesting a lure for users to download potentially unwanted or malicious software. The presence of a 'download button' heuristic further supports this phishing-like delivery mechanism.

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=adobe+photoshop+mod+apk+free
    • http://files.livebeautifully.us/uploads/1/3/2/7/132740249/mabudejofa-fowawezobizel-wefemazafo-ganadekofi.pdf
    • https://cdn.shopify.com/s/files/1/0434/5695/4518/files/html_codes_file_download.pdf
    • https://cdn.shopify.com/s/files/1/0428/4396/3559/files/lilium_elfen_lied_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0430/5872/5018/files/sebeb.pdf
    • https://cdn.shopify.com/s/files/1/0432/2341/6987/files/82268571603.pdf
    • https://cdn.shopify.com/s/files/1/0428/2515/4716/files/52688678461.pdf
    • https://cdn.shopify.com/s/files/1/0439/1138/1147/files/is_2_a_composite_number.pdf
    • https://cdn.shopify.com/s/files/1/0432/5693/8646/files/soxubokiduzanufe.pdf
    • https://cdn.shopify.com/s/files/1/0430/1576/6177/files/bewokujubiwidinadozefoze.pdf
    • https://cdn.shopify.com/s/files/1/0431/2544/0669/files/28138994075.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_off000057e0.bin
95136047d4156a20520406a04605130134169e8147fa5fda728da37014dc4a99		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57E0 5076 bytes
font_01_sfnt_off00006917.bin
591f280a30e597d82159bc6682aab7eaa879ed6807c37a4ab751ebdbb808ef2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6917 9488 bytes
font_02_sfnt_off00008987.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8987 4324 bytes

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