Malicious PDF — malware analysis report

Static analysis result for SHA-256 c9f1d81894fecf97…

MALICIOUS

PDF

40.5 KB Created: 2020-08-15 12:42:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 828ad0c8a6ad39d6eab62014d84259a3 SHA-1: e5e91c475d0b7cad1f7594ee1f70e9c5a3476f56 SHA-256: c9f1d81894fecf970b540e851f0f1b6cb68b8b5ec8846d4b7592df70845d3d0a
60 Risk Score

Malware Insights

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

The PDF file was flagged for containing a malicious redirector link. The embedded URL points to 'ttraff.ru', which is known for redirecting users to potentially harmful sites. The document body, though heavily obfuscated, contains the same URL, suggesting it's the primary lure. No scripts were extracted, but the presence of a malicious link indicates a likely attempt to redirect users to a phishing or malware download page.

Heuristics 2

  • 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.
  • 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=soal+skb+guru+agama+islam+pdf
    • http://files.goldentreasureconsulting.co.uk/uploads/1/3/1/3/131383613/xuwadekatigivesafawa.pdf
    • http://funozoz.missioncovenantyouth.org/uploads/1/3/1/4/131408738/mebalesusulenam.pdf
    • https://cdn.shopify.com/s/files/1/0435/2511/1972/files/42496898378.pdf
    • https://cdn.shopify.com/s/files/1/0439/4886/7739/files/antonyms_synonyms_with_urdu_meaning.pdf
    • https://cdn.shopify.com/s/files/1/0437/6716/9173/files/35638681759.pdf
    • https://cdn.shopify.com/s/files/1/0435/4804/9572/files/whirlpool_cabrio_washer_manual.pdf
    • https://cdn.shopify.com/s/files/1/0427/6033/9623/files/lakavamimuraronuri.pdf
    • https://cdn.shopify.com/s/files/1/0433/0638/5573/files/78327846553.pdf
    • https://cdn.shopify.com/s/files/1/0440/7567/9896/files/fezewor.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_off00005fbe.bin
9774258e882e7015dbd501a696aa02b1e2c1fdb98e068f26431e9bc0ec8f2b22		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FBE 5668 bytes
font_01_sfnt_off000072e8.bin
65daec75a8c0b68ff46a136cfeb4ebc3545830bd530217584fa1d2a872445dc8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72E8 10168 bytes

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