Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca1718db58856533…

MALICIOUS

PDF

45.7 KB Authoring application: QPDF
MD5: 3ddbaaa0d09c04906e10b0b461346327 SHA-1: 9e2a7240c034490e712607ae4e653fe368475e6f SHA-256: ca1718db58856533e368c9a74f9ba9bd5f45dac8e896be47ae4fdfbe6f28b6b4
120 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection of Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or malicious redirection intent. The embedded URLs point to various domains, suggesting a campaign to distribute malicious content or phish for credentials. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://sloanemorocco-efolio.com/uploads/1/3/0/5/130547116/zuwigakexibabor.pdf
    • http://mijoxoda.spb-lavanda.ru/uploads/2020/01/28/6904685.pdf
    • http://mundofeliz.es/uploads/1/3/0/6/130604986/ae1c7.pdf
    • http://mijaliscogrill2.com/uploads/1/3/0/6/130620912/5067533.pdf
    • https://xefiwiwuv.weebly.com/uploads/1/3/0/4/130476778/7f77a.pdf
    • http://northwayds.com/uploads/1/3/0/5/130588395/4418095.pdf
    • http://mortargroutepoxy.com/uploads/1/3/0/6/130639377/kajezopitutik_karojobase.pdf
    • http://turkeycreekretrievers.com/uploads/1/3/0/6/130639294/janoraxavekiv.pdf
    • http://thehappygirlstore.com/uploads/1/3/0/4/130477003/130477003.html#the+bible+of+the+adversary+pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000119f.bin
5e13a3b56f63bf1168dd78edc085cf5e6a625d538ed515c331d33b82539d8daa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x119F 8296 bytes
font_01_sfnt_off00006558.bin
d57ca136497ea37f752c92aad99c8e6a73f23e4052e09ed95972751eca1f6fc5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6558 12392 bytes

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