Malicious PDF — malware analysis report

Static analysis result for SHA-256 460cdf6df7511329…

MALICIOUS

PDF

40.7 KB Created: 2020-08-19 11:12:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 433bc900109363b7e30ab4129081df7c SHA-1: 4442e13e2f0fc3224ee1b1efa286e5b906f49eb9 SHA-256: 460cdf6df7511329bd5397998f12686e4c37828bb6a52386dcd140d562e1f2de
120 Risk Score

Malware Insights

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

The PDF file contains a link farm and a direct link to a known malicious redirector, ttraff.com. The document body, though heavily obfuscated, contains the URL that leads to the redirector. This suggests the document is designed to redirect users to malicious infrastructure, likely for further exploitation or phishing. No scripts were extracted, limiting the analysis of the attack's full scope.

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.com/pify?keyword=genetic+disorders+summary+worksheet
    • http://files.mindfulandpresent.com/uploads/1/3/1/3/131379477/wurur_puzigati.pdf
    • http://morel.grandprixdrivingschool.net/uploads/1/3/0/8/130814328/7d6be92776.pdf
    • http://woxumubaf.thevillageartscenter.com/uploads/1/3/1/4/131454035/1839329.pdf
    • http://files.thepracticalphysio.com/uploads/1/3/1/4/131406430/5625617.pdf
    • http://files.daviegaragedoornc.com/uploads/1/3/1/4/131437822/2306286.pdf
    • https://cdn.shopify.com/s/files/1/0431/0463/2992/files/ropijezorunaxamoxe.pdf
    • https://cdn.shopify.com/s/files/1/0433/8620/8406/files/17982689709.pdf
    • https://cdn.shopify.com/s/files/1/0429/5147/5351/files/zikubuxebidofikuxowit.pdf
    • https://cdn.shopify.com/s/files/1/0435/6302/4542/files/lifebazinavosovofajaru.pdf
    • https://cdn.shopify.com/s/files/1/0431/0879/4525/files/mathematics_worksheets_grade_7.pdf
    • https://cdn.shopify.com/s/files/1/0432/0795/0495/files/starring_role_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0437/6743/1320/files/22939493097.pdf
    • https://cdn.shopify.com/s/files/1/0434/4964/7261/files/gabuzawudab.pdf
    • https://cdn.shopify.com/s/files/1/0447/7802/9213/files/olivier_blanchard_macroeconomics_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/5404/7138/files/79880971909.pdf
    • https://cdn.shopify.com/s/files/1/0436/1748/4957/files/6923936128.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000060c6.bin
8d32808c28bb19ce7f2ff4485934e2dfebf2604cf0673619d00326fa0664bccb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60C6 5436 bytes
font_01_sfnt_off00007333.bin
36d7bebb254413b4ce89c7c7630e23233dff458705337eb7cc075f0f38b307be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7333 10132 bytes

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