Malicious PDF — malware analysis report

Static analysis result for SHA-256 34e7ce772d87752b…

MALICIOUS

PDF

60.0 KB Created: 2020-09-23 10:58:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 762fdc8499aeff95eafb2430e13cab98 SHA-1: f37edb2059baea884e11b5373c01995740cfc7be SHA-256: 34e7ce772d87752bac1629ca45c81e2ab2a28dc5acfe4f5ea25c850d8be0eddc
128 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, disguised as a payment request. The document body, though heavily obfuscated, contains the text 'Payment request letter sample' and the malicious URL. The presence of numerous other PDF links suggests a link farm designed to improve search engine ranking for malicious content, likely leading to further stages of infection.

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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.club/wix?keyword=payment+request+letter+sample
    • http://fumarux.iluvmemore.com/uploads/1/3/2/7/132740405/bd7141.pdf
    • http://xaxizufur.preciousprairieplants.com/uploads/1/3/1/3/131383330/f0bea880ed21e68.pdf
    • http://tiwebode.northvilleybk.com/uploads/1/3/0/8/130813084/ripasuwivejowejemaf.pdf
    • https://dd961d99-d1dc-4a21-a9d7-43bef738a57b.filesusr.com/ugd/440e29_0b66d39d729a4426a7dc8ff267b02410.pdf?index=true
    • https://2ccb366b-a18c-4128-bcdb-21d032919c5a.filesusr.com/ugd/5ea691_cdea084996f54ce8a5ae3970b591c39a.pdf?index=true
    • https://2959c91d-6c2d-4b80-a7a1-9013cdab473b.filesusr.com/ugd/dba42a_8c2e2caa3acf4107a29de1cadf62c8a0.pdf?index=true
    • https://f6818c54-5d64-46e2-b231-c824afafd307.filesusr.com/ugd/bc79a4_44138196e5d5475aa53049196d69a845.pdf?index=true
    • https://189b56e0-a3b1-4b95-ab60-b19e344227f5.filesusr.com/ugd/1e533a_31fbf9f0d6964514a3158a8827553b13.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0463/3781/8786/files/cdc_guidelines_for_infection_control_in_nicu.pdf
    • https://cdn.shopify.com/s/files/1/0437/2001/6021/files/av-_gad_2008_manual.pdf
    • https://cdn.shopify.com/s/files/1/0434/4761/5649/files/reggaeton_music_downloads.pdf
    • https://cdn.shopify.com/s/files/1/0428/7974/6207/files/weather_report_of_agartala_hourly.pdf
    • https://f5ba1e61-7436-492b-a63c-2dea6b51c3a4.filesusr.com/ugd/8ab72e_17518eb592b84194a25162a28b35472f.pdf?index=true
    • https://1da3ac3b-e208-4cac-beeb-cc2f8611821e.filesusr.com/ugd/2b25b5_038f06dae875463196273f2fbe341a5c.pdf?index=true
    • https://491de680-f3c2-4330-966f-aab90705e08b.filesusr.com/ugd/3eb4bd_c0456f93797c4caa8c881baf226a8296.pdf?index=true
    • https://39bbb6e9-4b6a-47cc-aee5-5c0da1402d5a.filesusr.com/ugd/067ecb_37c6f4e1bd45440d8c9573fcd5504363.pdf?index=true
    • https://95974fe3-7214-47ef-9ac8-54cf3d110288.filesusr.com/ugd/a640e9_cdda56305ad94ab5ab1ba8e8cac6f0fb.pdf?index=true
    • 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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008453.bin
7de96d15d60f8e6e491fd1522fda65e6ad617e08a0693aa3dec815d51a37f0af		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8453 5196 bytes
font_01_sfnt_off000095eb.bin
1844cef140d6def49a6c8858cb81fd11e1eb4cd8e64f8a35412d717e797eb0da		 pdf-font-stream PDF embedded font (sfnt) at offset 0x95EB 2492 bytes
font_02_sfnt_off0000a127.bin
900936640acd718af128b29eba0e0032a06a5568589bb8867cf5b1cd9962b73a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA127 10512 bytes
font_03_sfnt_off0000c547.bin
17bf88943356f6ab20c3eaa8db40b4631d43304be6f23e1c67eb4d18759ac5be		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC547 16216 bytes
font_04_sfnt_off0000da85.bin
74be5bc4d46f64e5c506ae1006f7022dc98ebf960e37c7bf417c2027ca73106d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDA85 1736 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.