Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e5e3e126e08ae99…

MALICIOUS

PDF

43.5 KB Created: 2020-08-23 00:43:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 92ee0da84395cb9a1374cb48834a73c0 SHA-1: be28d2698de81052bf33693cb657e4fb316b6e50 SHA-256: 8e5e3e126e08ae9980fbeb5e6f1e1e3f7192dc7413e36bbc8c21b2c762f6e67d
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=google+docs+guest+list+template'. This indicates a phishing attempt disguised as a Google Docs template. The document also contains a PDF link farm heuristic, with numerous links, many hosted on cdn.shopify.com, suggesting an attempt to obscure the malicious destination. No scripts were extracted from this sample.

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=google+docs+guest+list+template
    • http://files.onyxfuneralplanning.com/uploads/1/3/1/3/131380413/pofadajigivep.pdf
    • http://files.dcketamineclinic.com/uploads/1/3/1/3/131398367/4907273.pdf
    • http://files.acecric.org/uploads/1/3/2/7/132740804/wefobidode.pdf
    • http://jikif.theallinallministries.com/uploads/1/3/0/9/130969945/pelosidavez.pdf
    • https://cdn.shopify.com/s/files/1/0432/2571/0750/files/xeritapegivotis.pdf
    • https://cdn.shopify.com/s/files/1/0434/6635/8934/files/73254495638.pdf
    • https://cdn.shopify.com/s/files/1/0432/0899/9074/files/kunaduwenaxatewusut.pdf
    • https://cdn.shopify.com/s/files/1/0427/5827/5238/files/84660393038.pdf
    • https://cdn.shopify.com/s/files/1/0434/3264/0664/files/63729920782.pdf
    • https://cdn.shopify.com/s/files/1/0458/1664/3750/files/apple_tv_remote_app_android.pdf
    • https://cdn.shopify.com/s/files/1/0430/4325/8519/files/44640046140.pdf
    • https://cdn.shopify.com/s/files/1/0429/9961/1553/files/amortization_questions_and_answers.pdf
    • https://cdn.shopify.com/s/files/1/0436/9262/1978/files/92593546762.pdf
    • https://cdn.shopify.com/s/files/1/0430/3729/4741/files/97657889516.pdf
    • https://cdn.shopify.com/s/files/1/0434/6534/3133/files/riberazogiser.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_off00005f4d.bin
6b8dc153bb98387be1b1e3809a585acb82f6856052ac560136960d6572572601		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F4D 5104 bytes
font_01_sfnt_off000070bb.bin
1901652f6d710095c826112d48d34b997b03fcf56e60a7b3005bc8dd73d77186		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70BB 9992 bytes
font_02_sfnt_off000092e6.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0x92E6 4324 bytes

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