Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec1203eebed68ff7…

MALICIOUS

PDF

43.8 KB Created: 2020-07-09 04:43:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 00320c7b4a788810d61fe6d705f7da20 SHA-1: a24d74454c0494c268fe808040d5e8bd4badf41c SHA-256: ec1203eebed68ff76cb81a26e9aee7655435c998a3805cbbc242d71f50c7f2a4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains numerous embedded links, including a primary malicious redirector URL, suggesting a link farm or redirection attack. The document body, though partially obfuscated, indicates a lure for 'Crusher wireless headphones manual', likely to entice users to click the malicious links. The presence of a 'Password-protected archive lure' heuristic suggests this PDF may be a precursor to delivering a password-protected payload, further indicating a malicious intent to bypass security controls.

Heuristics 4

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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.cc/wb?keyword=crusher%20wireless%20headphones%20manual
    • http://files.virginiadunn.com/uploads/1/3/0/7/130738758/xowewowug.pdf
    • http://files.loveandmercyfdc.com/uploads/1/3/1/8/131857071/tazowirujuvimi.pdf
    • http://files.blackfeatherboutique.com/uploads/1/3/1/4/131438299/7398221.pdf
    • http://files.grundmeyerleadersearch.com/uploads/1/3/1/6/131636990/sifixoj_jutixepipi_bevasagipaxuja_sivosukisozi.pdf
    • http://files.mindandbodyfitnessaus.com/uploads/1/3/0/8/130874175/sirerexakin_lonabuw_dasajipide_vozow.pdf
    • http://files.natindulge.com/uploads/1/3/1/3/131384279/kevesasezawetuvo.pdf
    • http://files.barbarajtilly.com/uploads/1/3/1/4/131452803/dixukox.pdf
    • http://files.wtxjrfalcons.com/uploads/1/3/0/7/130738710/7af79811bdf6ec0.pdf
    • http://files.ambleon.net/uploads/1/3/1/0/131070125/zulalusimutolosu.pdf
    • http://files.aptdevelopmentgroupllc.org/uploads/1/3/1/8/131872285/todebik_rowop_zimasobotidojob_waxekamezimuj.pdf
    • http://files.themagicofbeing.com/uploads/1/3/1/8/131856125/xaveri.pdf
    • https://sevufipoxu.files.wordpress.com/2020/07/wafefujopadirefavixudu.pdf
    • https://relexuvoreve.files.wordpress.com/2020/06/46778621590.pdf
    • https://timeparoko.files.wordpress.com/2020/07/71998214531.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71061356311.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/25668779603.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/69892687871.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fofigez.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87294954422.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/3100392900.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_off00006acb.bin
a8c51d1f09c86de5a9934baedb31d5826e5470b3bf166e2ca8283049f28c60c2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6ACB 5116 bytes
font_01_sfnt_off00007c05.bin
7f348dee23939c80df2955b58c52910e3445879d87aba9bea87860f1dcf93108		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C05 11024 bytes

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