Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca98e2e043d8b0f9…

MALICIOUS

PDF

43.9 KB Created: 2020-10-02 21:20:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5bfbac1d72763eb723d2489df9e7d3db SHA-1: fd6bdd0ba9a4b521a1f8f24e3aa61f8ee85e25e1 SHA-256: ca98e2e043d8b0f9ac5ad2a1570b161c2bf156b876af3696543e70375b4aa443
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, specifically pointing to 'https://ttraff.me/pify?keyword=syrian+brown+bear+weight'. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to redirect the user to this malicious site. 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.me/pify?keyword=syrian+brown+bear+weight
    • https://site-1038606.mozfiles.com/files/1038606/xarufenok.pdf
    • https://site-1036868.mozfiles.com/files/1036868/jiboxexupob.pdf
    • https://site-1038331.mozfiles.com/files/1038331/molamosafipefepuzosut.pdf
    • https://site-1036697.mozfiles.com/files/1036697/masobodijirizigetuxas.pdf
    • https://site-1036851.mozfiles.com/files/1036851/25879448509.pdf
    • https://site-1036884.mozfiles.com/files/1036884/zinopejubo.pdf
    • https://site-1036684.mozfiles.com/files/1036684/40093078106.pdf
    • https://site-1038592.mozfiles.com/files/1038592/dewilewovirimugotumu.pdf
    • https://site-1039280.mozfiles.com/files/1039280/84294966401.pdf
    • https://cdn.shopify.com/s/files/1/0429/8070/4405/files/wakokilalejitanapixed.pdf
    • https://cdn.shopify.com/s/files/1/0431/7623/1072/files/wivutizepoviwija.pdf
    • https://cdn.shopify.com/s/files/1/0478/4252/5343/files/82062675512.pdf
    • https://cdn.shopify.com/s/files/1/0432/2426/8968/files/xarodusufaguf.pdf
    • https://cdn.shopify.com/s/files/1/0438/3942/2624/files/makita_bluetooth_speaker_battery.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_off00006204.bin
cfa5cf96e0faf5e72c16fe130c90907289092f7e5d6092bdea940be1a00b11a8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6204 4960 bytes
font_01_sfnt_off000072e8.bin
8026f53d1eb802d1ab359c166695ec99b07aff3f65e51b4a55013a002af75aa9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72E8 9956 bytes
font_02_sfnt_off000094d8.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x94D8 4324 bytes

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