Malicious PDF — malware analysis report

Static analysis result for SHA-256 25c3c7b86c47f825…

MALICIOUS

PDF

153.4 KB Created: 2020-08-27 13:56:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3f96595366c1b4b16a441d0103eb289d SHA-1: 16d9dd51bc43963cfe4a990a10cfde7a493e1293 SHA-256: 25c3c7b86c47f8254de3c75897237f48b99d0a260a5a7d2dbfe3782ebb51bb5a
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=beggar+of+net+my+new+life'. This indicates an attempt to lure the user to a potentially harmful website. The document body, though heavily obfuscated, also contains this URL, reinforcing its malicious intent. No scripts were extracted from this sample.

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=beggar+of+net+my+new+life
    • http://pariwodo.cfmmirrors.ca/uploads/1/3/0/7/130776208/wuvegupo.pdf
    • http://files.fsanase.org/uploads/1/3/0/8/130874085/ec194c9698aacd7.pdf
    • https://cdn.shopify.com/s/files/1/0437/2607/8106/files/22658345355.pdf
    • https://cdn.shopify.com/s/files/1/0432/1044/0862/files/air_waybill_form.pdf
    • https://cdn.shopify.com/s/files/1/0434/7346/9597/files/watch_floating_skyscrapers_online_free_english_subtitles.pdf
    • https://cdn.shopify.com/s/files/1/0433/5340/7646/files/52435868877.pdf
    • https://cdn.shopify.com/s/files/1/0431/1734/6965/files/qasida_burda_sharif_ringtone.pdf
    • https://cdn.shopify.com/s/files/1/0433/4324/9563/files/rekubovobiresixoban.pdf
    • https://cdn.shopify.com/s/files/1/0436/0355/8564/files/popesigi.pdf
    • https://cdn.shopify.com/s/files/1/0431/1557/7504/files/sitatebu.pdf
    • https://cdn.shopify.com/s/files/1/0437/6988/8917/files/fanawunulatusotimijijoz.pdf
    • https://cdn.shopify.com/s/files/1/0440/6630/8246/files/chaconne_in_d_minor_piano.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_off0002137f.bin
459bc7b595d8cd8802acc3527b2a58878c28552d03d86fa680b5d278b1bed668		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2137F 4940 bytes
font_01_sfnt_off00022442.bin
c2d679dbbfe309182d8b59da22bcb29db97d477d6e53993f98ab8cc4cb82c6ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x22442 10988 bytes
font_02_sfnt_off000249b0.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x249B0 4324 bytes

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