Malicious PDF — malware analysis report

Static analysis result for SHA-256 96e1ebdf0ad71830…

MALICIOUS

PDF

41.9 KB Created: 2020-08-02 05:47:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6de6cf7770b22ea08ece3a1ca7c7674d SHA-1: 7bfe50cb24fe6dabf3c5b924bd080646e6755583 SHA-256: 96e1ebdf0ad71830282af8d0040683e9788e9badf85f29a03a0c029a9ec97f4a
120 Risk Score

Malware Insights

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

The PDF file contains numerous links, with a critical heuristic identifying a malicious redirector. The document body, though heavily obfuscated, contains text related to 'goanimate for schools character creator' and the malicious URL, suggesting a lure. The presence of a link farm heuristic further indicates an attempt to distribute malicious content.

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=goanimate+for+schools+character+creator
    • http://files.photoelectricsynergy.com/uploads/1/3/2/6/132682882/efeae5e6048.pdf
    • http://files.rineyvilleoptimist.org/uploads/1/3/0/7/130775817/4679991.pdf
    • http://files.inyourpot.com/uploads/1/3/1/6/131606025/ruwurafupu_bifivuxifuxikas_desejaje.pdf
    • https://cdn.shopify.com/s/files/1/0432/8488/9758/files/47365258776.pdf
    • https://cdn.shopify.com/s/files/1/0430/7881/1810/files/mukojajat.pdf
    • https://cdn.shopify.com/s/files/1/0433/6173/0719/files/38267673332.pdf
    • https://cdn.shopify.com/s/files/1/0430/9162/4096/files/wemokezog.pdf
    • https://cdn.shopify.com/s/files/1/0436/3393/4496/files/14353726192.pdf
    • https://cdn.shopify.com/s/files/1/0431/1498/7669/files/mubat.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xugifewelogukepebokiz.pdf
    • https://cdn.shopify.com/s/files/1/0432/6329/5646/files/kejitenurirutise.pdf
    • https://cdn.shopify.com/s/files/1/0428/6601/6412/files/ratugotiguzasanobudato.pdf
    • https://cdn.shopify.com/s/files/1/0437/1903/3000/files/76268760139.pdf
    • https://cdn.shopify.com/s/files/1/0428/5313/8591/files/zodum.pdf
    • https://cdn.shopify.com/s/files/1/0432/4353/6541/files/letter_of_good_moral_character.pdf
    • https://cdn.shopify.com/s/files/1/0431/4087/4408/files/68784657272.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_off00006706.bin
3a2307dbb69f876c886e24e898f65a4ad9eb26682a7795051439a6384994a1fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6706 5152 bytes
font_01_sfnt_off00007869.bin
5c367031eea2f9f2b872786c1fbf23ac8e0a1c98e5c1c0a5c3227fe89917c065		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7869 10120 bytes

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