Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5b27f6d2ddf65de…

MALICIOUS

PDF

40.5 KB Created: 2020-07-08 12:45:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 86a42872113ba616182f4d5cfd8fc1aa SHA-1: e927a839dfddc3c252ebf06dfd3f05f6b8ec27f6 SHA-256: b5b27f6d2ddf65de020f4b5a203e99907bc5713ee128be995b4df12f786cca8b
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm designed to manipulate search engine results. One prominent link, 'https://ttraff.com/wb?keyword=to%20verify%20ohm's%20law%20experiment%20pdf', is identified as a malicious redirector. This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or phishing.

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/wb?keyword=to%20verify%20ohm
    • http://files.shearserenitysalon.com/uploads/1/3/1/3/131383553/53b9878d6b0f11.pdf
    • http://files.dkdynamite1.com/uploads/1/3/1/4/131407263/kojizim.pdf
    • http://files.creativecounselingsrq.org/uploads/1/3/2/7/132710787/5366484.pdf
    • http://files.tynksgemstonedesigns.com/uploads/1/3/2/7/132740415/7381d2f1749d4.pdf
    • http://files.readwithmrsd.com/uploads/1/3/2/6/132682681/86cec62ab78af83.pdf
    • http://files.thecuriouscatgiftshop.com/uploads/1/3/2/6/132681596/puwakir.pdf
    • http://files.operationfreedomhealth.com/uploads/1/3/0/7/130775282/3822dbc50e.pdf
    • http://files.gardenavenuepress.com/uploads/1/3/0/7/130740232/7557f3.pdf
    • http://files.stonetreematerials.com/uploads/1/3/1/3/131380953/6846582.pdf
    • http://files.straightoutscribes.com/uploads/1/3/0/7/130739769/rezabafuvaxoza_jakaxo_nawulom.pdf
    • http://files.maritzavives.com/uploads/1/3/2/8/132815346/zotowelew_lotavapibo_zevubebesoden_sodagufeje.pdf
    • https://zimixukegor.files.wordpress.com/2020/06/77310180696.pdf
    • https://futubik230927424.files.wordpress.com/2020/06/velega.pdf
    • https://tapuxagad.files.wordpress.com/2020/07/31615438393.pdf
    • https://tokejar.files.wordpress.com/2020/06/75714160336.pdf
    • https://jumitedav.files.wordpress.com/2020/06/lekuwisa.pdf
    • https://tepofateg.files.wordpress.com/2020/06/pekigovururazerurakatata.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_off00005e56.bin
ded6c0e3bfed60a5b72e9ead56ec18ef6526f93fbc764b92e70f61b4a9072258		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E56 5376 bytes
font_01_sfnt_off00007098.bin
c4833eed00571740c44efcb48e8d9a8116321b0e622844b1de4b8aa8d2d2f48e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7098 10620 bytes

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