Malicious PDF — malware analysis report

Static analysis result for SHA-256 500a7e9ccfbd60b6…

MALICIOUS

PDF

48.3 KB Created: 2020-08-07 04:21:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 749017ead5647a503aa53b5ab960fd7b SHA-1: 42d4fe19823e5a9b8d10ce7cec683a571cb9cb81 SHA-256: 500a7e9ccfbd60b644442b6b158c63e34e9d1734ae193e8e86d826fd1a9ee393
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, characteristic of a link farm. One of these links, 'https://ttraff.com/pify?keyword=swayamvara+parvathi+mantra+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting the primary purpose is to lure users to malicious sites.

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.com/pify?keyword=swayamvara+parvathi+mantra+pdf
    • http://files.botezatconstruction.com/uploads/1/3/0/9/130969241/927049.pdf
    • http://files.mbmcandrews.com/uploads/1/3/2/6/132683357/5851691.pdf
    • http://files.tracyrileymusic.com/uploads/1/3/1/3/131380771/lorekem_jarowozozojixab.pdf
    • http://files.vibrant-energies.com/uploads/1/3/0/8/130873907/nomadu.pdf
    • http://files.bwitched.com.au/uploads/1/3/0/7/130776110/fugonu.pdf
    • https://cdn.shopify.com/s/files/1/0430/8484/1124/files/vonizipanoxexupujunuw.pdf
    • https://cdn.shopify.com/s/files/1/0435/9100/8418/files/livawibokagasolet.pdf
    • https://cdn.shopify.com/s/files/1/0435/7118/3777/files/megiron.pdf
    • https://cdn.shopify.com/s/files/1/0433/5517/7109/files/definition_of_marital_conflict.pdf
    • https://cdn.shopify.com/s/files/1/0431/6204/2529/files/la_vida_en_sueo_calderon_dela_barca.pdf
    • https://cdn.shopify.com/s/files/1/0430/4617/4877/files/nidud.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nojigepinipefonumupitos.pdf
    • https://cdn.shopify.com/s/files/1/0431/0653/3527/files/sokol.pdf
    • https://cdn.shopify.com/s/files/1/0437/6831/6055/files/60988960247.pdf
    • https://cdn.shopify.com/s/files/1/0433/5586/5242/files/83232297708.pdf
    • https://cdn.shopify.com/s/files/1/0431/7210/2308/files/11230778372.pdf
    • https://cdn.shopify.com/s/files/1/0437/8125/9421/files/dowamiwojujuta.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_off00007bf6.bin
722b65421b16343c4c9781f17a1438d0dd68c3bdef659f4054ef6ce53df7e6f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BF6 5428 bytes
font_01_sfnt_off00008e5e.bin
278d64a457039a616f30164b3352489224d4765f8b14d3ce00385017420fa8d4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E5E 11208 bytes

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