Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a9e0e60a7bfd1f4…

MALICIOUS

PDF

38.9 KB Created: 2020-08-09 12:59:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 467c3c665f267b1b3926269b455bb3a4 SHA-1: 40a363a24ee4ac647fa9ea4c21207b2b17a6a6a7 SHA-256: 1a9e0e60a7bfd1f4878233948f6e934bda95d542122c32dd6ad1b49c30a20343
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, identified as a link farm. One of these links, 'https://ttraff.cc/pify?keyword=astrotheology+shamanism+christianity+s+pagan+roots+pdf', is flagged as a malicious redirector. The primary purpose appears to be directing users to potentially harmful content or infrastructure through a large collection of external links, masquerading as legitimate documents.

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=astrotheology+shamanism+christianity+s+pagan+roots+pdf
    • http://files.engineersinmedicine.com/uploads/1/3/1/1/131164424/zimotuwumonos.pdf
    • http://files.michaelcmarshall.com/uploads/1/3/0/7/130739814/visexumivamu-pakuzit.pdf
    • http://files.artbyjonmcgaa.com/uploads/1/3/1/6/131636766/8982060.pdf
    • http://files.prestwoodplayers.com/uploads/1/3/0/7/130775853/c23a4bbb742a.pdf
    • http://files.legalprose.ca/uploads/1/3/1/3/131380107/5460065.pdf
    • https://cdn.shopify.com/s/files/1/0434/7848/3096/files/merininadafaj.pdf
    • https://cdn.shopify.com/s/files/1/0439/0112/4760/files/tixifuvotawuzakafib.pdf
    • https://cdn.shopify.com/s/files/1/0440/3465/4358/files/ssc_stenographer_previous_question_papers.pdf
    • https://cdn.shopify.com/s/files/1/0431/8851/9080/files/subuxaxemo.pdf
    • https://cdn.shopify.com/s/files/1/0437/7473/8586/files/55953907628.pdf
    • https://cdn.shopify.com/s/files/1/0428/1411/1903/files/78999473816.pdf
    • https://cdn.shopify.com/s/files/1/0432/1722/3847/files/47656217449.pdf
    • https://cdn.shopify.com/s/files/1/0432/6175/5547/files/lesovo.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45927795399.pdf
    • https://cdn.shopify.com/s/files/1/0446/6514/3449/files/blank_pages_when_printing_files.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bovabokuvuxinapuwukiberem.pdf
    • https://cdn.shopify.com/s/files/1/0432/3901/4562/files/black_and_decker_18v_weed_eater.pdf
    • https://cdn.shopify.com/s/files/1/0434/3024/8600/files/21478861483.pdf
    • https://cdn.shopify.com/s/files/1/0446/3286/6979/files/random_number_generator_no_repeats.pdf
    • https://cdn.shopify.com/s/files/1/0436/1604/3168/files/88733619344.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_off000057d4.bin
9287060d27323c88754c881be1169f017ec6b5315322ff067bf148b3d1e8a682		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57D4 5660 bytes
font_01_sfnt_off00006af6.bin
edf149073b6d4003be5008c759f5502ad0d223b19c93d006c41af4b18b03043a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AF6 10304 bytes

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