Malicious PDF — malware analysis report

Static analysis result for SHA-256 80e1e29261f77b28…

MALICIOUS

PDF

36.1 KB Authoring application: LibreOffice Draw First seen: 2020-09-07
MD5: 2eeb4b94613aad9d19766ac625b9cdc3 SHA-1: a9e027e95841778a133eed3474343c3ebf19e8dc SHA-256: 80e1e29261f77b286ee4426d50da2a1a55192dc4689c5a211d4130ae628f4c7e
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF contains a large number of embedded external links, as indicated by the 'PDF_SEO_LINK_FARM' heuristic. These links point to numerous PDF files hosted on various domains, suggesting a campaign to manipulate search engine results or distribute malicious content. The ClamAV detection and ML classifier further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://www.skynet.live/uploads/1/3/0/4/130435601/3436629.pdf In PDF document text
    • http://design.surfaceimports.com/uploads/1/3/0/7/130776315/navutevikibawa.pdfIn PDF document text
    • http://mshvita.com/uploads/1/3/0/4/130488248/326598.pdfIn PDF document text
    • http://nchep2017.org/uploads/1/3/0/6/130604358/luwezatixeteduz-vadiribimok.pdfIn PDF document text
    • http://photosbysarahtucker.com/uploads/1/3/0/7/130738991/fae90e5a53e53c8.pdfIn PDF document text
    • http://kareego.net/uploads/1/3/0/5/130590096/piluliwi.pdfIn PDF document text
    • http://aoadigital.net/uploads/1/3/0/8/130873994/zeliloxevi.pdfIn PDF document text
    • http://waytobeproductions.com/uploads/1/3/0/2/130288731/6533485.pdfIn PDF document text
    • http://sorteincorporation.co.za/uploads/1/3/0/2/130289756/b3afb3bf633f3b.pdfIn PDF document text
    • http://selfsufficientteen.com/uploads/1/3/0/2/130273893/70e711c4d473ab.pdfIn PDF document text
    • http://missionbeachaustralia.com/uploads/1/3/0/4/130490151/7a3dcc.pdfIn PDF document text
    • http://skiesthelimitphotography.com/uploads/1/3/0/7/130740318/dokisonusigon-zesisadamazu-pazafipe.pdfIn PDF document text
    • http://spencer-amaral.com/uploads/1/3/0/3/130323707/5488742.pdfIn PDF document text
    • http://mid-atlanticofficeportfolio.com/uploads/1/3/0/7/130776174/kiken-tomapoxiwufabi.pdfIn PDF document text
    • http://unique-dancewear.com/uploads/1/3/0/4/130483354/tejotej-nogukamodura-romogene-nosoferukipuzi.pdfIn PDF document text
    • http://aadyagroupofcompanies.com/uploads/1/3/0/3/130323411/db8a2.pdfIn PDF document text
    • http://rockmelbourne.church/uploads/1/3/0/7/130776037/37cd2a7cb64b4.pdfIn PDF document text
    • http://kristinw.com/uploads/1/3/0/6/130640020/fokemuvatusoroki.pdfIn PDF document text
    • http://34gda.brdge.org/uploads/1/3/0/7/130776603/130776603.html#how+to+insert+text+box+in+access+formIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31B5 7112 bytes
SHA-256: 091cf1d1fd115796cf27adcac57f21756dbbc3e0b4f3eae50e1db1db15b989c4