Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce8b821a7c6172c6…

MALICIOUS

PDF

36.2 KB Authoring application: PDFBox
MD5: a3babe9df28c7caae4530af0a42c98e5 SHA-1: 2e4400fc98d115a35d130a8d13e2e368f759935b SHA-256: ce8b821a7c6172c602b75009432ec12590ff7e4153d3cac6b98221926fbb17e3
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files hosted on various domains. This "link farm" technique is commonly used to redirect users to malicious websites or to distribute further malware. The ClamAV detection and ML classifier strongly indicate malicious intent, consistent with a phishing or redirection campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://mlkgrandjunction.com/uploads/1/3/0/2/130270761/bezolejobosok-fonetipi.pdf
    • http://terapiaregresiva.org/uploads/1/3/0/7/130776114/rokibejumijo.pdf
    • http://transdimensionalmovie.com/uploads/1/3/0/5/130540700/raxazerep.pdf
    • http://txpublicschoolproud.com/uploads/1/3/0/6/130603808/sofeduxodit-ratemorazakiked.pdf
    • http://lamplepost.com/uploads/1/3/0/4/130489265/puposobalelakaroto.pdf
    • http://propertyplettenberg.com/uploads/1/3/0/7/130776225/bobapixu.pdf
    • http://theembodiedexperience.com/uploads/1/3/0/5/130588216/vexonixi-xoromokaw.pdf
    • http://deadeyestudios.co/uploads/1/3/0/2/130289611/a9e2e626b53d22.pdf
    • http://restage.tv/uploads/1/3/0/8/130813736/9027136.pdf
    • http://geomote-systems.com/uploads/1/3/0/5/130551059/b61298737755.pdf
    • http://badladyflicks.com/uploads/1/3/0/7/130776366/bugiwu.pdf
    • http://unante.co.uk/uploads/1/3/0/6/130640179/bunurezukofevisufa.pdf
    • http://bayflier.com/uploads/1/3/0/5/130552106/a2daa8.pdf
    • http://totalaccesssolutionsltd.com/uploads/1/3/0/7/130775729/depirowalil.pdf
    • http://alaskashrimpbait.com/uploads/1/3/0/5/130588843/636450.pdf
    • http://thepentaxpioneer.com/uploads/1/3/0/4/130488163/5009c8ce3c62.pdf
    • http://www.masonrae.org/uploads/1/3/0/5/130551890/5e76e73.pdf
    • http://x55fb.salon225.com/uploads/1/3/0/8/130813934/130813934.html#how+to+combine+2+or+more+pdf+files+into+one+for+free

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032e8.bin
b6d7abe72e55a8cccb542dd19f4386caa833e5d519248137360c03be17b4a7d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x32E8 7152 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.