Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b0bd22599382c14…

MALICIOUS

PDF

51.8 KB Authoring application: Solid Converter PDF
MD5: 0a0e1822bdd7298ec621db736453506d SHA-1: c1027aaa8ea67361b364893c98eb1b1d9f6ac76f SHA-256: 4b0bd22599382c14cd6e2d51bfe53c51a1251bb1d21e167cd2605a26cc2b6ea8
128 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports a phishing or malicious redirection intent. The document body, though heavily corrupted, contains references to 'Uat testing template excel' and a URL, suggesting a lure to download or view content that is likely malicious.

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://shutupimgay.com/uploads/1/3/0/4/130488294/lovasetomuropub_wevexabop_voguj_nezolatan.pdf
    • http://hiphopsynergy.com/uploads/1/3/0/4/130476703/5084574.pdf
    • http://nadashiva.com/uploads/1/3/0/4/130488615/sanezal_korobinez.pdf
    • https://zujepowo.weebly.com/uploads/1/3/0/5/130543029/gesipilab-zujix-dapela.pdf
    • http://sbedard.ca/uploads/1/3/0/7/130739253/1dc1117102f.pdf
    • http://crystalmclainarts.com/uploads/1/3/0/5/130538937/fafawotunebow_finosit_komizibabizegi_gevupideretoluw.pdf
    • http://zavababet.ssushi.ru/uploads/2020/01/28/2679813.pdf
    • http://velvetarmenia.net/uploads/1/3/0/2/130289722/goxalefove.pdf
    • http://piw.mily.icu/uploads/2020/01/29/lufobogududiripo.pdf
    • http://minutegrillers.com/uploads/1/3/0/5/130588556/dejonog.pdf
    • http://jeepish.net/uploads/1/3/0/4/130476485/matejemubulewija.pdf
    • http://amzengine.com/uploads/1/3/0/4/130483902/nedofilumuga.pdf
    • http://foothillsbiblefellowship.com/uploads/1/3/0/7/130775189/130775189.html#uat+testing+template+excel

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001062.bin
3033eb366d3369b2b2b591411df8d684e7cccf3dd54751dcc22f140b77e12c4c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1062 10140 bytes

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