Malicious PDF — malware analysis report

Static analysis result for SHA-256 40ee7bfc6fdc0fd7…

MALICIOUS

PDF

38.7 KB Authoring application: OpenOffice.org
MD5: 64095f577df0b575276e0e0859b62c02 SHA-1: 6cb871b80bbfbcce38f9a1cac4b383e75a70187f SHA-256: 40ee7bfc6fdc0fd71ab51769db214d1f6fd0d0dce0f6dba4c6433d01a7550a4d
120 Risk Score

Malware Insights

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

The PDF_SEO_LINK_FARM heuristic indicates the presence of a large number of embedded external links, a common technique for SEO poisoning and phishing campaigns. The ClamAV detection further supports its malicious nature. The embedded URLs are likely used to redirect users to malicious sites. 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://elevateinsightla.com/uploads/1/3/0/5/130547884/8344252.pdf
    • http://out-the-back-door.com/uploads/1/3/0/2/130289424/xademolinige.pdf
    • http://ilanaleberdesignfolio.com/uploads/1/3/0/6/130604903/115ad07132a3a68.pdf
    • http://hopealivemin.org/uploads/1/3/0/6/130605118/gedaboviferoju-dafixarokidik.pdf
    • http://pinsandpints.com/uploads/1/3/0/5/130590282/3937851.pdf
    • http://needleworksacupuncture.com/uploads/1/3/0/5/130539886/2caff20c2.pdf
    • http://mishticakesandparties.com/uploads/1/3/0/2/130273762/1168cf.pdf
    • http://dasilvadesignstudio.com/uploads/1/3/0/3/130323421/detenezogow.pdf
    • http://baseballtoolkit.com/uploads/1/3/0/4/130476033/xoxelowukuliwudu.pdf
    • https://wipafazuvag.weebly.com/uploads/1/3/0/5/130546391/6905985.pdf
    • http://rod.fineinfo.ru/uploads/2020/01/27/jeruma.pdf
    • http://wapiwadur.solidstore.online/uploads/2020/01/28/592887.pdf
    • http://michaudsblog.com/uploads/1/3/0/5/130550931/rujimopijazalerebeva.pdf
    • http://sogetu.bylight.ru/uploads/2020/01/29/jumotamiv-goregowu-sapubuw-somaromefag.pdf
    • http://nicolitulk.com.au/uploads/1/3/0/5/130550787/130550787.html#calculator+application+in+android

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013f2.bin
deedfa1b6e0fba385d5382614d55ee7a9c2c718e6712bf99a6bee3dffbac3507		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13F2 8112 bytes

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