Malicious PDF — malware analysis report

Static analysis result for SHA-256 39612b570731946f…

MALICIOUS

PDF

64.8 KB Authoring application: ImageMagick
MD5: 929931a808c800f04f4f2744d7b0221b SHA-1: 61ae87666381ea634793a803ce124ca8348b1d2c SHA-256: 39612b570731946fbd74e4d63d068c29bf52fcf750b53f93060f27704b378884
128 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious classification. The document body contains a mix of text and URLs, suggesting a lure to click on these links.

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://dveri-v-krasnodare.ru/uploads/2020/01/28/dae91bc2051.pdf
    • http://gottaluvthatbling.com/uploads/1/3/0/6/130639906/pevopumemobuxi-romufoki-wuxigo.pdf
    • http://speacetech.us/uploads/2020/01/27/sulelatategewesetas.pdf
    • https://besexijarosate.weebly.com/uploads/1/3/0/5/130551341/3435406.pdf
    • http://mikesrefinishing.com/uploads/1/3/0/4/130483805/nowijimaxized.pdf
    • http://abra-maquillos.com/uploads/1/3/0/2/130287737/9762767.pdf
    • http://fusetewiz.tomrich.ru/uploads/2020/01/28/3187941.pdf
    • http://v-techsnc.com/uploads/1/3/0/6/130604117/jewesetiwawu_dikajepo_sejuridevubirut.pdf
    • https://fepizenozed.weebly.com/uploads/1/3/0/5/130588653/91987.pdf
    • http://thepdahub.com/uploads/1/3/0/3/130379488/0053d981d94.pdf
    • http://align432yoga.com/uploads/1/3/0/2/130287960/384fbf8.pdf
    • https://witoxovi.weebly.com/uploads/1/3/0/3/130379371/latajebufamopinagi.pdf
    • http://sophievmakeupartiste.com/uploads/1/3/0/5/130543054/jofijazod.pdf
    • http://cultafrica.org/uploads/1/3/0/3/130323624/9277195.pdf
    • http://pipestoneresearch.com/uploads/1/3/0/2/130287407/97af626.pdf
    • http://craftandcorkkitchen.com/uploads/1/3/0/5/130588559/130588559.html#self+esteem+bible+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000147b.bin
f4eb547f40407b1d72f56b8c66e95314fa73b5a18f6e1f7052732079a1d96bc2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x147B 7972 bytes

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