Malicious PDF — malware analysis report

Static analysis result for SHA-256 237aea70cfa79c14…

MALICIOUS

PDF

49.2 KB Created: 2020-08-06 13:12:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 94157d9dbe9bb5cf8689924213b94793 SHA-1: 1b109cebda0cd95d46865677b61a1d7c72502b99 SHA-256: 237aea70cfa79c14ee39935b48ef0e91df567558d59116b3ece7d4ab4c97acd4
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF contains numerous links, including one to 'ttraff.com', identified as a malicious redirector. The document body, though heavily obfuscated, contains the text 'Learning carpentry pdf' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of a mass external PDF link farm further indicates a malicious intent to distribute content or redirect users.

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=learning+carpentry+pdf
    • http://files.theyardguyinc.com/uploads/1/3/0/7/130739793/mitibiludevoz-befotuvu-wexudujuwi.pdf
    • http://files.m131491.com/uploads/1/3/1/3/131382497/6731565.pdf
    • http://files.malagasycotonclub.org/uploads/1/3/1/6/131606367/b9b56e6.pdf
    • https://cdn.shopify.com/s/files/1/0436/8121/8710/files/nowuxitesedefonoputirifo.pdf
    • https://cdn.shopify.com/s/files/1/0431/4886/9789/files/dexakana.pdf
    • https://cdn.shopify.com/s/files/1/0433/9302/4151/files/fedojilut.pdf
    • https://cdn.shopify.com/s/files/1/0427/3415/7991/files/30393562621.pdf
    • https://cdn.shopify.com/s/files/1/0437/3417/1800/files/lonudunozaji.pdf
    • https://cdn.shopify.com/s/files/1/0434/5665/9621/files/vafomufowojopulubaw.pdf
    • https://cdn.shopify.com/s/files/1/0430/7759/9383/files/momezazaman.pdf
    • https://cdn.shopify.com/s/files/1/0431/1882/1530/files/past_simple_and_present_perfect_contrast_exercises.pdf
    • https://cdn.shopify.com/s/files/1/0427/6482/8838/files/zekovorodotivozo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gimuwuwizarisatin.pdf
    • https://cdn.shopify.com/s/files/1/0433/3282/9342/files/nosunaxijigojawabu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0507/4838/files/pogajolo.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_off0000756a.bin
c897786db6eb8107346abb735f7668f362268bd8f058efe6e6020a39e17cd035		 pdf-font-stream PDF embedded font (sfnt) at offset 0x756A 4832 bytes
font_01_sfnt_off000085e9.bin
c224e2ca86ad9481b00f9aa65735d8bd27d4ecc5e7a23511c51d92fe011efcbe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x85E9 10608 bytes
font_02_sfnt_off0000aa01.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAA01 4324 bytes

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