Malicious PDF — malware analysis report

Static analysis result for SHA-256 bad4bd7715a0192c…

MALICIOUS

PDF

41.7 KB Created: 2020-09-09 21:00:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3a9c2c61406687acf47edb7746d216cc SHA-1: de1ef47fa868855216e01a85494949a742302f30 SHA-256: bad4bd7715a0192c335181c965e84a601089e1d3bebed776053aa4cf03d95447
120 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, with numerous embedded URLs. One critical heuristic identified a link to known malicious redirector infrastructure, and another flagged a mass of external PDF links. These findings suggest the document is designed to direct users to potentially harmful websites, likely for phishing or malware distribution. No scripts were extracted from this sample.

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.me/wix?keyword=major+incident+management+template
    • http://xawasona.salmonriverwoodworks.com/uploads/1/3/2/7/132740214/3579853.pdf
    • http://files.carolinadancecollaborative.org/uploads/1/3/2/7/132740275/933c8d22e6a117.pdf
    • http://files.geopoliticaltribune.co.uk/uploads/1/3/0/8/130814009/e2b9aa7.pdf
    • http://files.paqu.org/uploads/1/3/1/8/131871894/vibofukupu_ruzererijolibij.pdf
    • http://files.daytonsockcompany.com/uploads/1/3/0/7/130775025/taripar.pdf
    • http://zodoworib.camillefrancois.com/uploads/1/3/0/7/130739693/mimiwabenaxefe-jurupavumukago-gozogejuta-mupevufodatubi.pdf
    • https://static.usrfiles.com/ugd/e4a001_3518cee05e844e1caa7d03ee9ac1928d.pdf
    • https://cdn.shopify.com/s/files/1/0429/3053/6614/files/36030811259.pdf
    • https://cdn.shopify.com/s/files/1/0432/4648/5672/files/powerpoint_2016_flowchart_template.pdf
    • https://cdn.shopify.com/s/files/1/0429/8627/4967/files/federozaviwobon.pdf
    • https://cdn.shopify.com/s/files/1/0437/7224/8215/files/1332354059.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_off00006449.bin
870f96446f5564244d90861ee443435223a6802da79dc75257ca7fdd0857f74d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6449 5296 bytes
font_01_sfnt_off00007646.bin
cfb7cb29dd95d278355aeef69d719b6a53ee28ec09cef4e3f14910f29522ab3c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7646 10588 bytes

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