Malicious PDF — malware analysis report

Static analysis result for SHA-256 36ed340fef7e4534…

MALICIOUS

PDF

47.9 KB Authoring application: Inkscape
MD5: 12f8caa2f79d666e7f3588ff5357dcde SHA-1: c21ec0d799d37829ce938ca5f83e78d1abb06e08 SHA-256: 36ed340fef7e4534185d7168180c8bc064cdb404505b2286aa0437f9ae671b70
128 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM', with the primary URL being http://vawumepapu.trainer-best.info/uploads/2020/01/28/1709800.pdf. The document body text, despite being heavily corrupted, mentions 'Gta san andreas 1.08 apk' and includes the same list of URLs, suggesting a lure to download a game or related content. ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious phishing intent. The presence of a visual download button heuristic reinforces the deceptive nature of the document.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://vawumepapu.trainer-best.info/uploads/2020/01/28/1709800.pdf
    • https://tukogeburujik.weebly.com/uploads/1/3/0/4/130489434/0e50c97dbc48.pdf
    • http://kad.russtin.com/uploads/2020/01/28/875a0.pdf
    • http://nemuwalax.agicole-acces.com/uploads/2020/01/27/3434041.pdf
    • http://gon.right-style.ru/uploads/2020/01/28/b0a68a157a3c06.pdf
    • https://devofalafuzami.weebly.com/uploads/1/3/0/5/130547659/4058607.pdf
    • http://kepupew.ukrainian-girls.top/uploads/2020/01/27/468123.pdf
    • http://nithyamarriages.com/uploads/2020/01/28/bomiboxefulejilafuju.pdf
    • http://sak.gedelix.ru/uploads/2020/01/28/pitisu_gumuxokudukigu_ropit_ruriri.pdf
    • http://kirya.icu/uploads/2020/01/27/jezimupiwaxuvufobupi.pdf
    • http://pikinejum.rucrime.top/uploads/2020/01/27/4701791.pdf
    • http://tami-tatami.pro/uploads/2020/01/28/3335117.pdf
    • http://americanadeidiomas.com/uploads/2020/01/27/7421785.pdf
    • http://zemedotut.metrika.agency/uploads/2020/01/28/lejuguzigu-sovokeja.pdf
    • http://fetosem.alfasl.info/uploads/2020/01/28/dbb3bddb45a.pdf
    • http://ludep.sendfrs.com/uploads/2020/01/27/mudanivegew.pdf
    • https://gasowiguduz.weebly.com/uploads/1/3/0/3/130324350/130324350.html#gta+san+andreas+1.08+apk

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000147d.bin
a30572e72378965ee232744a79a28b59ad6fe481f9bcfa7513c4b742f3407d97		 pdf-font-stream PDF embedded font (sfnt) at offset 0x147D 8912 bytes
font_01_sfnt_off00006c66.bin
c3691dcb150db7ad744d1ce9a5f4f1ce4405928ccb9e699ff3dd2cdfc8821ad5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C66 18780 bytes

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