Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0787c83658aaaba…

MALICIOUS

PDF

40.7 KB Created: 2020-08-19 19:39:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47a8cf818a77e8ab7864164e803335c5 SHA-1: bf807a6197318b14654fda23c996a729d8cf4bdc SHA-256: e0787c83658aaaba105e0b0f0494e7b3205c8650fdb45c25939ba73b4a2f0c9a
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as an 'Assassin's Creed Odyssey update'. This redirector likely leads to a malicious payload. The document also contains a large number of links to other PDFs hosted on Shopify, potentially as part of a link farm to improve search engine ranking for 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.com/pify?keyword=assassin%2527+s+creed+odyssey+update
    • http://files.dawnhomesut.com/uploads/1/3/1/6/131637876/nifak_toluvenizif.pdf
    • http://votoxa.reallifestoriesbooks.com/uploads/1/3/1/3/131383314/8a60b5af14fe.pdf
    • http://files.a1homestay.com/uploads/1/3/0/7/130738484/6066c4049.pdf
    • http://files.sherieunfiltered.com/uploads/1/3/2/8/132815961/a59b4b501cc8.pdf
    • http://rugaforat.centrocristianogetsemani.com/uploads/1/3/1/3/131384013/turewilinugubat.pdf
    • https://cdn.shopify.com/s/files/1/0440/2987/0230/files/61999475404.pdf
    • https://cdn.shopify.com/s/files/1/0439/2691/3179/files/git_clone_from_branch.pdf
    • https://cdn.shopify.com/s/files/1/0439/0970/9976/files/39642712615.pdf
    • https://cdn.shopify.com/s/files/1/0430/7409/3217/files/zukuwejunigodorazu.pdf
    • https://cdn.shopify.com/s/files/1/0435/8642/0893/files/27033232314.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/47475247643.pdf
    • https://cdn.shopify.com/s/files/1/0431/9232/0161/files/62774339274.pdf
    • https://cdn.shopify.com/s/files/1/0439/1891/7787/files/pozobebuwu.pdf
    • https://cdn.shopify.com/s/files/1/0438/9902/7611/files/zajewexegudaxawotavigiw.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_off000057a6.bin
08a6dc556ece8f623d2a7d4b79db04e026217a427635abdab6a72ba9f5bb7537		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57A6 5160 bytes
font_01_sfnt_off0000693a.bin
e9f8a3ef788f0cbd16162dfcacf3538d4d9f72d83e44e67f72eb93bd53224865		 pdf-font-stream PDF embedded font (sfnt) at offset 0x693A 1912 bytes
font_02_sfnt_off00007269.bin
2bf990effd08fe8ddf6afb2597fa645f9ecb1c89eec9df9aafb56a8ac51c814f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7269 10360 bytes

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