Malicious PDF — malware analysis report

Static analysis result for SHA-256 36dd4d780a80cbe5…

MALICIOUS

PDF

33.9 KB Authoring application: QPDF
MD5: 7fc6aae19af1c26f67ad69911e2e9504 SHA-1: aad8251773ccc1e0e49d201fc6f73bad3bf6745e SHA-256: 36dd4d780a80cbe5db7e6a16b527574a43210f7c6a44a1f0368fbb49f632e3a4
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further suggests a phishing or malicious redirection intent. The embedded URLs are likely used to direct users to malicious content or phishing sites.

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://richardforiberiaparishpresident.com/uploads/1/3/0/3/130379316/widelisudur.pdf
    • http://sogipuvus.familia-mebel.ru/uploads/2020/01/27/mumazorab.pdf
    • http://cognitivesalesacademy.com/uploads/1/3/0/4/130483757/dd5873b7c.pdf
    • https://lafokitujo.weebly.com/uploads/1/3/0/4/130476525/ff680.pdf
    • https://kajukosow.weebly.com/uploads/1/3/0/2/130271041/7893353.pdf
    • http://mrscooterrentals.net/uploads/1/3/0/5/130589264/9063105.pdf
    • http://bluecanyongameconservancy.com/uploads/1/3/0/5/130546977/wagefovodopilaxol.pdf
    • http://raconteurs.com/uploads/1/3/0/2/130289244/fugejowe.pdf
    • http://readymum.com/uploads/1/3/0/6/130603980/jenenagivofad.pdf
    • http://mymissblue.com/uploads/1/3/0/6/130604787/130604787.html#instrumental+normative+stakeholder+theory

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011c9.bin
81cbc95b4a02e71c76dbe3829f957b752992756300c34b1ef7a360c6ae261c76		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11C9 7444 bytes

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