Malicious PDF — malware analysis report

Static analysis result for SHA-256 581370dbf98d9545…

MALICIOUS

PDF

271.4 KB Created: 2020-08-11 13:45:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 94b9a1b146808369611368e927bd9432 SHA-1: 3b5f96e90ef5e15ae5033e966a9894334b4e4381 SHA-256: 581370dbf98d95458b948dcab0825074a99650370fde26192b8d1aaff8aebef5
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, https://ttraff.com/pify?keyword=pdf+of+beta+distribution+of+second+kind, is the primary indicator of malicious intent. The document body, though heavily obfuscated, also contains this URL, reinforcing the redirection attempt. No scripts were extracted, limiting the analysis of further stages.

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.com/pify?keyword=pdf+of+beta+distribution+of+second+kind
    • http://files.evansadopt.com/uploads/1/3/0/8/130874122/fedd98c1a86.pdf
    • http://vuxef.bcmeccanomodellers.com/uploads/1/3/1/3/131398560/1107963.pdf
    • http://files.rearfacingtoddlers.com/uploads/1/3/1/6/131637814/4336359.pdf
    • http://files.yoursevenproject.com/uploads/1/3/1/3/131398123/fowodugifiz_memode_danaluwijorosol_jowifiri.pdf
    • http://kemavomip.themuddybearcat.com/uploads/1/3/0/7/130739826/denine-xozazizoxaw.pdf
    • https://cdn.shopify.com/s/files/1/0431/8396/4324/files/64484773391.pdf
    • https://cdn.shopify.com/s/files/1/0435/1482/2811/files/21862138563.pdf
    • https://cdn.shopify.com/s/files/1/0429/4351/2732/files/jixidukekaxalilos.pdf
    • https://cdn.shopify.com/s/files/1/0437/0949/7496/files/1782169103.pdf
    • https://cdn.shopify.com/s/files/1/0429/1395/6006/files/lowrance_hds_9_gen_2.pdf
    • https://cdn.shopify.com/s/files/1/0435/6807/0815/files/calligraphy_lessons_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0447/4336/0663/files/westlife_my_love_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0433/7706/6145/files/ali_ibn_abi_talib.pdf
    • https://cdn.shopify.com/s/files/1/0429/8362/0757/files/metipasovinumibuxenivez.pdf
    • https://cdn.shopify.com/s/files/1/0430/7124/2389/files/am_law_100_list.pdf
    • https://cdn.shopify.com/s/files/1/0440/7423/8102/files/57417514424.pdf
    • https://cdn.shopify.com/s/files/1/0438/4597/6224/files/54388430.pdf
    • https://cdn.shopify.com/s/files/1/0440/3075/4966/files/daxonafesodadetilo.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_off0003c984.bin
1ac3b9dfab3671c181be309124f657a9d9425b2367a239243eb4a010fef3e530		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3C984 5188 bytes
font_01_sfnt_off0003db37.bin
25010f800a4b0eacfa61d4a581717e635a709603826e9b2141097aedc40754b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3DB37 19808 bytes
font_02_sfnt_off0004192e.bin
068eefa0e2d2a1b97109382a04fda4a0cf858744f8e52751cfcb01cbe853dfdf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4192E 16384 bytes

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