Malicious PDF — malware analysis report

Static analysis result for SHA-256 e74a037922aadb81…

MALICIOUS

PDF

32.8 KB Authoring application: PDFedit
MD5: 9d884f24357d7ed534fa13753de8d06e SHA-1: 0411754dbe9b9cedb25df2e56d0e12e59a18eae6 SHA-256: e74a037922aadb81e1e473ed0e0a39864b2d988131979270ef467b2c703393cf
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This technique is commonly used for SEO spam or to distribute malicious payloads. The ClamAV detection and ML classifier strongly indicate malicious intent, aligning with the heuristic firing for a PDF link farm.

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://officehelper.net/uploads/1/3/0/8/130814900/jikaromovazutuku.pdf
    • http://orsalus.net/uploads/1/3/0/7/130739460/jebofavotakokob-jagabipomowib-regezeja-mafepo.pdf
    • http://projectgrowca.com/uploads/1/3/0/2/130291365/e8198545a8.pdf
    • http://irrationalthinking.net/uploads/1/3/0/4/130483114/junifukag-sapubojumolo-winutuv.pdf
    • http://desatascosmartorell.com/uploads/1/3/0/2/130287463/2083109.pdf
    • http://formavote.com/uploads/1/3/0/6/130605015/tulezuvexo_renujolisu.pdf
    • http://saladextraveganza.com/uploads/1/3/0/5/130551486/6334197.pdf
    • http://mrboldt.com/uploads/1/3/0/2/130289480/zubur-jutidananek-businilepixuse-sivukametog.pdf
    • http://newgaterva.com/uploads/1/3/0/8/130814855/2685989.pdf
    • http://thebirthbee.com/uploads/1/3/0/6/130621557/70b03ed158.pdf
    • http://elizabethmackintosh.com/uploads/1/3/0/4/130435548/1686572.pdf
    • http://sarahwk.com/uploads/1/3/0/7/130775918/rukidibisi.pdf
    • http://security-exam.com/uploads/1/3/0/6/130621068/5bf62f2da8a.pdf
    • http://risesportscast.com/uploads/1/3/0/3/130379635/pinup_gones.pdf
    • http://endostateofmind.com/uploads/1/3/0/7/130738652/130738652.html#reading+questions+for+4th+grade

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002770.bin
351fa2758a8c05ff78dacfe41c1c6158020860337fee6c42405d2fdbcb61e42f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2770 7432 bytes

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