Malicious PDF — malware analysis report

Static analysis result for SHA-256 286417b4d8634c88…

MALICIOUS

PDF

48.9 KB Created: 2020-08-31 08:54:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7132d0a98763cf56428001c59e3f1240 SHA-1: d9cce7a8191e91662fe79f60d1fa742f34493af2 SHA-256: 286417b4d8634c883fb601a90df07dd9b8cf280f4cffb5573b73dd5780e2d239
120 Risk Score

Malware Insights

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

The PDF document contains a link that redirects to a malicious URL, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body text, though heavily obfuscated, contains the string "Ek tera naam hai sacha mp3 song down" and the malicious URL itself, suggesting a lure to download content. The PDF_SEO_LINK_FARM heuristic indicates the presence of multiple external links, further supporting the redirection attack pattern. No scripts were extracted from this sample.

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/wix?keyword=ek+tera+naam+hai+sacha+mp3+song+down
    • https://cdn.shopify.com/s/files/1/0432/5031/9517/files/kopinonorixage.pdf
    • https://cdn.shopify.com/s/files/1/0430/6770/3457/files/xetowaxilovigikafu.pdf
    • https://cdn.shopify.com/s/files/1/0431/7695/1957/files/5935653575.pdf
    • https://static.usrfiles.com/ugd/8c0e65_e0057a4b15bf482dbc4cecc62ef0763e.pdf
    • https://static.usrfiles.com/ugd/96768c_f38eaebc1ea04baf9d482aa9c62ebfa9.pdf
    • https://static.usrfiles.com/ugd/b77b08_a2528adb1aec40a4b938d14d97f2408d.pdf
    • https://static.usrfiles.com/ugd/f459ea_7d7caa0bed07448a855e9149c653e1ff.pdf
    • https://static.usrfiles.com/ugd/b8c837_a4391f989f0747ad83aa98cfd1849e2a.pdf
    • https://cdn.shopify.com/s/files/1/0432/4930/3720/files/60911328151.pdf
    • https://cdn.shopify.com/s/files/1/0428/2079/6583/files/kusujogesogoroniramuzetur.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_off0000684c.bin
0971d39e8ee60d66e09d7c35018ab111de8ce6dfc69e732c2369921d5c1e8fd1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x684C 5520 bytes
font_01_sfnt_off00007aeb.bin
628e932ac9b3614d5e07436d6032217958bf0d87cbc96e437c920b0e0e95b726		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7AEB 14832 bytes
font_02_sfnt_off0000a902.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA902 4324 bytes

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