Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2d2ede05c85eb31…

MALICIOUS

PDF

43.6 KB Created: 2020-08-22 23:23:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9296ac152bba6289ff746fe3bddf60d3 SHA-1: 4308ba76897f117b66c8f40af0659bdfb75934c2 SHA-256: a2d2ede05c85eb31d3022b6e99900626ab441773017a8d5a98d8f5e495e0ab61
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with a critical heuristic firing for a malicious redirector at 'https://ttraff.ru/pify?keyword=barriers+to+learning+pdf'. Another heuristic identified a PDF link farm, suggesting an attempt to distribute malicious content. The document body, though heavily obfuscated, contains the same malicious URL and a benign-looking title, indicating a social engineering lure.

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.ru/pify?keyword=barriers+to+learning+pdf
    • http://files.willseyjewels.com/uploads/1/3/0/7/130739504/pazolajevadud-luwawogalu-zidefevo.pdf
    • https://cdn.shopify.com/s/files/1/0431/7170/9092/files/60559133561.pdf
    • https://cdn.shopify.com/s/files/1/0428/3252/7526/files/31498186869.pdf
    • https://cdn.shopify.com/s/files/1/0438/5076/0357/files/92190751100.pdf
    • https://cdn.shopify.com/s/files/1/0430/7140/6237/files/magolelubekeru.pdf
    • https://cdn.shopify.com/s/files/1/0441/1087/2728/files/how_to_cope_with_stress_worksheets.pdf
    • https://cdn.shopify.com/s/files/1/0431/3556/5978/files/anthropometric_chart.pdf
    • https://cdn.shopify.com/s/files/1/0433/4790/2622/files/ebook_reader_android_apk.pdf
    • https://cdn.shopify.com/s/files/1/0434/6108/3301/files/wirikogogadimogasuzedugi.pdf
    • https://cdn.shopify.com/s/files/1/0429/0360/1308/files/8934052189.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_off0000609c.bin
a96241a748a84d67d5b3a2fe3efea91070f609feffe9e7964b80b7a079e098f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x609C 5048 bytes
font_01_sfnt_off000071d0.bin
5b4635a33ae867d27a63823124fc58e726bfbb41be0152ac615dc7b374a7eae2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71D0 9960 bytes
font_02_sfnt_off000093cc.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x93CC 4324 bytes

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