Malicious PDF — malware analysis report

Static analysis result for SHA-256 3bb9384f673b8e78…

MALICIOUS

PDF

116.8 KB Created: 2020-08-09 01:32:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 28adbc84efc3729e63ebe62a82a8f05a SHA-1: 6cd19d4186a575ca78a76dfe0ef2f98a9edda6a5 SHA-256: 3bb9384f673b8e78f3cd695f1fafdce2b54663e7d38ed94fd634aedb4b4c8d1d
162 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a malicious redirector link disguised as a link to 'The Economist' PDF, which is a common lure for advance-fee scams. The link redirects to 'ttraff.com', a known malicious redirector. The document body, though heavily obfuscated, contains references to the lure and the redirector URL. The presence of numerous links to external PDFs, many hosted on Shopify, suggests a link farm used to obscure the final malicious destination.

Heuristics 4

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=the+economist+november+3+2020+pdf
    • http://toduwum.freedomballoonfest.com/uploads/1/3/1/8/131856372/6ed8c1d3f0ed8.pdf
    • http://lijoti.svetaeufemijasociety.com/uploads/1/3/2/8/132814930/kabebojexew.pdf
    • http://files.echohillcamp.com/uploads/1/3/0/8/130813818/pabano_zeroret_ranewuxexoberev.pdf
    • http://files.evergreen-secrets.net/uploads/1/3/1/4/131438282/8c2b0b5790.pdf
    • http://files.customerfocusedlearning.com/uploads/1/3/0/7/130738814/bavajesapamukogobos.pdf
    • https://cdn.shopify.com/s/files/1/0432/9357/3288/files/92019402237.pdf
    • https://cdn.shopify.com/s/files/1/0431/3120/7837/files/3471661567.pdf
    • https://cdn.shopify.com/s/files/1/0430/0469/0581/files/pm_awas_yojana_mp_form.pdf
    • https://cdn.shopify.com/s/files/1/0431/6073/1803/files/wewugazodimisebiroxu.pdf
    • https://cdn.shopify.com/s/files/1/0431/1587/2423/files/59153088881.pdf
    • https://cdn.shopify.com/s/files/1/0430/0364/2007/files/zajakixabidut.pdf
    • https://cdn.shopify.com/s/files/1/0430/3863/8241/files/discrete_mathematics_5th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0437/3879/2085/files/92331619546.pdf
    • https://cdn.shopify.com/s/files/1/0427/8360/4903/files/famejolenogosagefurig.pdf
    • https://cdn.shopify.com/s/files/1/0432/2410/5121/files/71207228636.pdf
    • https://cdn.shopify.com/s/files/1/0431/0705/7825/files/41136712593.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34515707504.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_off00016921.bin
a57ff6585720494357392ab54edd1db9c0fb4b52e5ab0a05aa0829eaa831cd8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16921 5740 bytes
font_01_sfnt_off00017c84.bin
ba34b02cf5f4aa3a4d19a92798d45442ae0725bbd46fd71164b8d9a4edd37bb0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x17C84 16780 bytes
font_02_sfnt_off0001b02c.bin
ea75db71c9df7250347a03039f742fcd189f5fc3f08964e696816fa8b5227073		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1B02C 16092 bytes

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