Malicious PDF — malware analysis report

Static analysis result for SHA-256 cddd30f7277d557b…

MALICIOUS

PDF

53.5 KB Created: 2020-08-01 16:31:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5daf5f42d2670f640169613429735e63 SHA-1: 70c31a10178d3f8835338d1edf52f2561e3f1e0e SHA-256: cddd30f7277d557b495adc890ab01584142a4396d91de66f98623ef9d64ff581
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=star+wars+complete+locations+pdf'. It also exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains references to 'Star wars complete locations pdf' and the URL 'https://ttraff.ru/pify?keyword=star+wars+complete+locations+pdf', suggesting a lure to a malicious site.

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.ru/pify?keyword=star+wars+complete+locations+pdf
    • http://files.monarch-creations.com/uploads/1/3/1/0/131071063/vekuf.pdf
    • http://files.altenergytrump.com/uploads/1/3/0/8/130873715/dopivamanomom.pdf
    • http://files.kansascityrosesociety.org/uploads/1/3/1/4/131408798/vofad-xomimupimiw-juvuxekajup.pdf
    • https://cdn.shopify.com/s/files/1/0439/1639/4648/files/23406998511.pdf
    • https://cdn.shopify.com/s/files/1/0428/0595/2671/files/jemedawigu.pdf
    • https://cdn.shopify.com/s/files/1/0431/0417/4233/files/50159900695.pdf
    • https://cdn.shopify.com/s/files/1/0432/2331/8683/files/13925533715.pdf
    • https://cdn.shopify.com/s/files/1/0432/7338/8190/files/41452054111.pdf
    • https://cdn.shopify.com/s/files/1/0430/4610/9345/files/63561620902.pdf
    • https://cdn.shopify.com/s/files/1/0429/7680/5018/files/bugibelulivavanamatilopa.pdf
    • https://cdn.shopify.com/s/files/1/0430/9480/2581/files/60183164380.pdf
    • https://cdn.shopify.com/s/files/1/0429/3646/7612/files/tusivugunibavokafipu.pdf
    • https://cdn.shopify.com/s/files/1/0435/4021/8015/files/pojir.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/japoxotoruzub.pdf
    • https://cdn.shopify.com/s/files/1/0432/4642/0132/files/zufuzuwivebomapopopujasow.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_off00008e8d.bin
893c9b420c82639f56df377faccf05130070983a58f91e1dd457fd52069a1278		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E8D 5496 bytes
font_01_sfnt_off0000a13b.bin
273e467923bfa4632d745d7d3ea056d6ce9f1076abf7a5e6aae946002bf9b324		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA13B 12108 bytes

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